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Volgens 'n nuwe studie kan oefensessies van 'Weekend Warrior' gesondheidsrisiko's verminder

Volgens 'n nuwe studie kan oefensessies van 'Weekend Warrior' gesondheidsrisiko's verminder


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Een tot twee oefensessies per week kan genoeg wees om die gesondheidsrisiko's te verminder

Die studie is gepubliseer in die JAMA Internal Medicine tydskrif.

Dit kan moeilik wees om tyd af te staan ​​om te oefen gedurende die besige werkweek. Goeie nuus vir die "naweekstryders" wat slegs op Saterdae en Sondae betyds by die gimnasium kan inkom, 'n onlangse studeer van die Universiteit van Sydney het dit voorgestel oefen een tot twee keer per week kan genoeg wees om die gesondheidsrisiko's van mans en vroue te verminder.

'Dit is baie bemoedigende nuus dat fisiese aktiwiteit slegs een of twee geleenthede per week gepaard gaan met 'n laer risiko van dood, selfs onder mense wat aktiwiteite doen, maar nie die aanbevole oefenvlakke bereik nie,' sê Emmanuel Stamatakis, medewerker. professor aan die Universiteit van Sydney en die senior skrywer van die studie.

"Vir optimale gesondheidsvoordele van fisiese aktiwiteit is dit egter altyd raadsaam om die aanbevelings vir fisiese aktiwiteit na te kom en dit te oorskry."

Volgens die Wereld gesondheids Organisasie, moet volwassenes 'n minimum van 150 minute matige intense aktiwiteit of 75 minute oefening met 'n hoë intensiteit per week doen.

Die studie versamel data van 63 591 volwassenes uit Engeland en Skotland wat oefengewoontes van 1994 tot 2012 gerapporteer het in die Health Survey for England en die Scottish Health Survey, CNN gerapporteer.

Analise het getoon dat diegene wat een tot twee keer per week oefen in vergelyking met volwassenes wat geen oefenaktiwiteite aangemeld het nie, 'n risiko van sterftes met 40 persent het kardiovaskulêre siekte, 30 persent laer risiko van algehele dood en 18 persent laer risiko van dood as gevolg van Kanker.

Die studie het egter nie gekyk na die risiko van besering vir 'naweekvegters' nie, en dit het ook nie die frekwensie van fisieke aktiwiteit per week bepaal wat die gesondheidsvoordele sou optimaliseer nie, in plaas daarvan om bloot die risiko's te verminder.


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

As u slegs een of twee sessies per week oefen in die "weekend warrior" -modus, verlaag die risiko vir alle sterftes en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

Volgens die Wêreldgesondheidsorganisasie is die minimale weeklikse vryetydsoefening vir diegene tussen 18 en 64 jaar 150 minute aerobiese aktiwiteit van matige intensiteit of 75 minute van aerobiese aktiwiteit met sterk intensiteit. Dit is bekend dat hierdie aktiwiteit, wat oor 'n paar dae gedurende die week versprei word, die risiko vir CVD, kanker en sterftes van alle oorsake verminder.

Dit was egter nie duidelik of die konsentrasie van die hoeveelheid oefening in een of twee sessies, soos 'naweekvegters' dikwels dieselfde voordele bied nie.

Om uit te vind, ontleed Gary O'Donovan, PhD, aan die Loughborough University, Engeland, en kollegas data van 63 591 respondente van die Health Survey for England en die Scottish Health Survey tussen 1994 en 2012. Die opnames het gesinne gekies op grond van aardrykskunde, en die British National Health Service Central Register het deelnemers wat gesterf het, geïdentifiseer. Die navorsers ondersoek die verband tussen oefenpatrone en die risiko vir dood weens alle oorsake, CVD en kanker.

Deelnemers was minstens 40 jaar oud om hartsterftes as gevolg van aangebore toestande uit te sluit. Onderhoudvoerders het inligting versamel, insluitend sport, oefening en huishoudelike aktiwiteite wat gedurende die vorige 4 weke plaasgevind het.

Deelnemers is verdeel in vier groepe volgens oefengewoontes: onaktief (geen gemelde matige of kragtige aktiwiteit of oefening nie), onvoldoende aktief (& lt150 minute per week van matige aktiwiteit of & lt75 minute van sterk aktiwiteit), gereeld aktief (≥150 minute per week van matige aktiwiteit of 75 minute kragtige aktiwiteit vanaf 3 of meer sessies), of naweekstryder (≥150 minute per week matige aktiwiteit of 75 minute kragtige aktiwiteit in een of twee sessies).

Die gemiddelde ouderdom van die deelnemers was 58,6 45,9% was mans en 44,1% was vroue. Aan die begin was 39.947 (62.8%) onaktief, 14.224 (22.4%) was onvoldoende aktief, 2341 (3.7%) was naweekvegters en 7079 (11.1%) was gereeld aktief. Die gemiddelde liggaamsmassa -indeks was soortgelyk onder die groepe.

Die naweekvegters was ongeveer eweredig verdeel oor die vraag of hulle hul oefensessies of aktiwiteite in een of twee sessies ingeprop het: 45,0% in een en 55,0% in twee.

Mans het meer uit die naweek -vegterklassifikasie bestaan. Sport was gewilder onder die naweekvegters (2201 [94,0%]) in vergelyking met die deelnemers wat gereelde aktiwiteite rapporteer (5309 [75,0%]). (73,0%) van die gereeld aktiewe deelnemers.

Onaktiewe deelnemers was ouer en het meer geneig om te rook, chroniese siektes te hê en ongeskoolde werk te verrig.

Alhoewel naweekstryders gemiddeld 300 minute per week aan matige of kragtige aktiwiteit spandeer het, vergeleke met 450 minute per week vir deelnemers wat gereeld aktiwiteite rapporteer, het die naweekstryders 'n groter deel van hul oefensessie op 'n sterk vlak bestee.

Die resultate dui aan dat enige oefening beter is as geen.

Onder die 63 591 deelnemers sterf 8802 aan alle oorsake, 2780 aan CVD en 2526 aan kanker.

In volledig aangepaste modelle was die risiko vir dood van alle oorsake 30% laer onder naweekvegters in vergelyking met onaktiewe deelnemers (gevaarverhouding [HR], 0,70 95% vertrouensinterval [CI], 0,60 - 0,82) risiko vir CVD -dood was 40% laer (HR, 0,60 95% CI, 0,45 - 0,82), en die risiko vir kankersterfte was 18% laer (HR, 0,82 95% CI, 0,63 - 1,06).

Soortgelyke risikoverminderings het voorgekom vir die onvoldoende aktiewe groep in vergelyking met onaktiewe deelnemers: vir alle oorsake sterftes was die risikovermindering 31% (HR, 0,69 95% CI, 0,65 - 0,74), dit was 37% vir CVD -dood (HR, 0,63 95 % CI, 0,55 - 0,72) en 14% vir kankersterfte (HR, 0,86 95% CI, 0,77 - 0,96).

Vermindering onder diegene wat gereeld oefen in vergelyking met die onaktiewe groep was 35% (HR, 0,65 95% CI, 0,58 - 0,73) vir sterftes van alle oorsake, 41% (HR, 0,59 95% CI, 0,48 - 0,73) vir CVD -dood, en 21% (HR, 0,7995% CI, 0,66 - 0,94) vir kankersterfte.

'Een van die opvallendste bevindings in die huidige studie was dat 1 of 2 sessies per week van matige of sterk intensiewe fisiese aktiwiteit voldoende was om die risiko's van alle oorsake, CVD en kanker te verminder, ongeag die nakoming van heersende fisiese aktiwiteite. aktiwiteitsriglyne, "het die navorsers tot die gevolgtrekking gekom. Die ondersoek het ook getoon dat die naweekstryd ook voordelig is vir vroue en mans.

"Die bemoedigende nuus uit hierdie nuwe verslag is dat vir diegene wat minder gereeld oefen, die minimum riglyne in slegs 1 tot 2 sessies per week voldoen, 'n sterftevoordeel oplewer," skryf Hannah Arem, PhD, en Loretta DiPietro, PhD, van die Milken Institute School of Public Health aan die George Washington University, Washington, DC, in 'n genooide kommentaar.

"Die skrywers moet geprys word vir hierdie belangrike bydrae tot die literatuur oor die belangrikheid van die frekwensie van fisieke aktiwiteit, en ons hoop dat toekomstige studies hierdie vrae sal ondersoek om die nasionale en internasionale riglyne beter in te lig," sluit hulle af.

Beperkings van die studie sluit in die selfrapportering van aktiwiteit, gebrek aan veralgemening van die 90% blanke respondente, en die bewys van assosiasie, nie oorsaak nie.

Die ondersoekers en die kommentators het geen relevante finansiële verhoudings bekend gemaak nie.

JAMA Intern Med. Gepubliseer aanlyn 9 Januarie 2017. Volledige teks van artikel, volledige teks van kommentaar


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

As u slegs een of twee sessies per week oefen in die "weekend warrior" -modus, verlaag die risiko vir alle sterftes en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

Volgens die Wêreldgesondheidsorganisasie is die minimale weeklikse vryetydsoefening vir diegene tussen 18 en 64 jaar 150 minute aerobiese aktiwiteit van matige intensiteit of 75 minute van aerobiese aktiwiteit met sterk intensiteit. Dit is bekend dat hierdie aktiwiteit, wat oor 'n paar dae gedurende die week versprei word, die risiko vir CVD, kanker en sterftes van alle oorsake verminder.

Dit was egter nie duidelik of die konsentrasie van die hoeveelheid oefening in een of twee sessies, soos 'weekend warriors' dikwels dieselfde voordele bied nie.

Om uit te vind, ontleed Gary O'Donovan, PhD, aan die Loughborough University, Engeland, en kollegas data van 63 591 respondente van die Health Survey for England en die Scottish Health Survey tussen 1994 en 2012. Die opnames het gesinne gekies op grond van aardrykskunde, en die British National Health Service Central Register het deelnemers wat gesterf het, geïdentifiseer. Die navorsers ondersoek die verband tussen oefenpatrone en die risiko vir dood weens alle oorsake, CVD en kanker.

Deelnemers was minstens 40 jaar oud om hartsterftes as gevolg van aangebore toestande uit te sluit. Onderhoudvoerders het inligting versamel, insluitend sport, oefening en huishoudelike aktiwiteite wat gedurende die vorige 4 weke plaasgevind het.

Deelnemers is verdeel in vier groepe volgens oefengewoontes: onaktief (geen gemelde matige of kragtige aktiwiteit of oefening nie), onvoldoende aktief (& lt150 minute per week van matige aktiwiteit of & lt75 minute van sterk aktiwiteit), gereeld aktief (≥150 minute per week van matige aktiwiteit of 75 minute kragtige aktiwiteit vanaf 3 of meer sessies), of naweekstryder (≥150 minute per week matige aktiwiteit of 75 minute kragtige aktiwiteit in een of twee sessies).

Die gemiddelde ouderdom van die deelnemers was 58,6 45,9% was mans en 44,1% was vroue. Aan die begin was 39.947 (62.8%) onaktief, 14.224 (22.4%) was onvoldoende aktief, 2341 (3.7%) was naweekvegters en 7079 (11.1%) was gereeld aktief. Die gemiddelde liggaamsmassa -indeks was soortgelyk onder die groepe.

Die naweekvegters was ongeveer eweredig verdeeld oor die vraag of hulle hul oefensessies of aktiwiteite in een of twee sessies ingeprop het: 45,0% in een en 55,0% in twee.

Mans het meer uit die naweek -vegterklassifikasie bestaan. Sport was meer gewild onder die naweekvegters (2201 [94,0%]) in vergelyking met die deelnemers wat gereelde aktiwiteite rapporteer (5309 [75,0%]). (73,0%) van die gereeld aktiewe deelnemers.

Onaktiewe deelnemers was ouer en het meer geneig om te rook, chroniese siektes te hê en ongeskoolde werk te verrig.

Alhoewel naweekstryders gemiddeld 300 minute per week aan matige of kragtige aktiwiteit spandeer het, vergeleke met 450 minute per week vir deelnemers wat gereeld aktiwiteite rapporteer, het die naweekstryders 'n groter deel van hul oefensessie op 'n sterk vlak bestee.

Die resultate dui aan dat enige oefening beter is as geen.

Onder die 63 591 deelnemers sterf 8802 aan alle oorsake, 2780 aan CVD en 2526 aan kanker.

In volledig aangepaste modelle was die risiko vir dood van alle oorsake 30% laer onder naweekvegters in vergelyking met onaktiewe deelnemers (gevaarverhouding [HR], 0,70 95% vertrouensinterval [CI], 0,60 - 0,82) risiko vir CVD -dood was 40% laer (HR, 0,60 95% CI, 0,45 - 0,82), en die risiko vir kankersterfte was 18% laer (HR, 0,82 95% CI, 0,63 - 1,06).

Soortgelyke risikoverminderings het voorgekom vir die onvoldoende aktiewe groep in vergelyking met onaktiewe deelnemers: vir alle oorsake sterftes was die risikovermindering 31% (HR, 0,69 95% CI, 0,65 - 0,74), dit was 37% vir CVD -dood (HR, 0,63 95 % CI, 0,55 - 0,72) en 14% vir kankersterfte (HR, 0,86 95% CI, 0,77 - 0,96).

Vermindering onder diegene wat gereeld oefen in vergelyking met die onaktiewe groep was 35% (HR, 0,65 95% CI, 0,58 - 0,73) vir sterftes van alle oorsake, 41% (HR, 0,59 95% CI, 0,48 - 0,73) vir CVD -dood, en 21% (HR, 0,7995% CI, 0,66 - 0,94) vir kankersterfte.

'Een van die opvallendste bevindings in die huidige studie was dat 1 of 2 sessies per week van matige of sterk intensiewe vrye tyd fisiese aktiwiteit voldoende was om die risiko's van alle oorsake, CVD en kanker te verminder, ongeag die nakoming van die heersende fisiese aktiwiteit aktiwiteitsriglyne, "het die navorsers tot die gevolgtrekking gekom. Die ondersoek het ook getoon dat die naweekstryd ook voordelig is vir vroue en mans.

"Die bemoedigende nuus uit hierdie nuwe verslag is dat vir diegene wat minder gereeld oefen, die minimum riglyne in slegs 1 tot 2 sessies per week voldoen, 'n sterftevoordeel oplewer," skryf Hannah Arem, PhD, en Loretta DiPietro, PhD, van die Milken Institute School of Public Health aan die George Washington University, Washington, DC, in 'n genooide kommentaar.

"Die skrywers moet geprys word vir hierdie belangrike bydrae tot die literatuur oor die belangrikheid van die frekwensie van fisieke aktiwiteit, en ons hoop dat toekomstige studies hierdie vrae sal ondersoek om die nasionale en internasionale riglyne beter in te lig," sluit hulle af.

Beperkings van die studie sluit in die selfrapportering van aktiwiteit, 'n gebrek aan veralgemening van die 90% blanke respondente en die bewys van assosiasie, nie oorsaak nie.

Die ondersoekers en die kommentators het geen relevante finansiële verhoudings bekend gemaak nie.

JAMA Intern Med. Gepubliseer aanlyn 9 Januarie 2017. Volledige teks van artikel, volledige teks van kommentaar


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

Deur slegs 'n of twee sessies per week te oefen in die "weekend warrior" -modus, verlaag die risiko vir alle sterftes en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

Volgens die Wêreldgesondheidsorganisasie is die minimum weeklikse vlak van ontspanning vir mense tussen 18 en 64 jaar 150 minute aerobiese aktiwiteit van matige intensiteit of 75 minute van aerobiese aktiwiteit met sterk intensiteit. Dit is bekend dat sulke aktiwiteite, wat oor 'n paar dae gedurende die week versprei word, die risiko vir CVD, kanker en sterftes van alle oorsake verminder.

Dit was egter nie duidelik of die konsentrasie van die hoeveelheid oefening in een of twee sessies, soos 'weekend warriors' dikwels dieselfde voordele bied nie.

Om uit te vind, ontleed Gary O'Donovan, PhD, aan die Loughborough University, Engeland, en kollegas data van 63 591 respondente van die Health Survey for England en die Scottish Health Survey tussen 1994 en 2012. Die opnames het gesinne gekies op grond van aardrykskunde, en die British National Health Service Central Register het deelnemers wat gesterf het, geïdentifiseer. Die navorsers ondersoek die verband tussen oefenpatrone en die risiko vir dood weens alle oorsake, CVD en kanker.

Deelnemers was minstens 40 jaar oud om hartsterftes as gevolg van aangebore toestande uit te sluit. Onderhoudvoerders het inligting versamel, insluitend sport, oefening en huishoudelike aktiwiteite wat gedurende die vorige 4 weke plaasgevind het.

Deelnemers is verdeel in vier groepe volgens oefengewoontes: onaktief (geen gemelde matige of kragtige aktiwiteit of oefening nie), onvoldoende aktief (& lt150 minute per week van matige aktiwiteit of & lt75 minute van sterk aktiwiteit), gereeld aktief (≥150 minute per week van matige aktiwiteit of 75 minute kragtige aktiwiteit vanaf 3 of meer sessies), of naweekstryder (≥150 minute per week matige aktiwiteit of 75 minute kragtige aktiwiteit in een of twee sessies).

Die gemiddelde ouderdom van die deelnemers was 58,6 45,9% was mans en 44,1% was vroue. Aan die begin was 39,947 (62,8%) onaktief, 14,224 (22,4%) was onvoldoende aktief, 2341 (3,7%) was naweekvegters en 7079 (11,1%) was gereeld aktief. Die gemiddelde liggaamsmassa -indeks was soortgelyk onder die groepe.

Die naweekvegters was ongeveer eweredig verdeeld oor die vraag of hulle hul oefensessies of aktiwiteite in een of twee sessies ingeprop het: 45,0% in een en 55,0% in twee.

Mans het meer uit die naweek -vegterklassifikasie bestaan. Sport was gewilder onder die naweekvegters (2201 [94,0%]) in vergelyking met die deelnemers wat gereelde aktiwiteite rapporteer (5309 [75,0%]). (73,0%) van die gereeld aktiewe deelnemers.

Onaktiewe deelnemers was ouer en het meer geneig om te rook, chroniese siektes te hê en ongeskoolde werk te verrig.

Alhoewel nawekrygers gemiddeld 300 minute per week in matige of kragtige aktiwiteit deurgebring het in vergelyking met 450 minute per week vir deelnemers wat gereelde aktiwiteite rapporteer, het die naweekstryders 'n groter deel van hul oefensessie op 'n sterk vlak bestee.

Die resultate dui aan dat enige oefening beter is as geen.

Onder die 63 591 deelnemers sterf 8802 aan alle oorsake, 2780 aan CVD en 2526 aan kanker.

In volledig aangepaste modelle was die risiko vir dood van alle oorsake 30% laer onder naweekvegters in vergelyking met onaktiewe deelnemers (gevaarverhouding [HR], 0,70 95% vertrouensinterval [CI], 0,60 - 0,82) risiko vir CVD -dood was 40% laer (HR, 0,60 95% CI, 0,45 - 0,82), en die risiko vir kankersterfte was 18% laer (HR, 0,82 95% CI, 0,63 - 1,06).

Soortgelyke risikoverminderings het voorgekom vir die onvoldoende aktiewe groep in vergelyking met onaktiewe deelnemers: vir alle oorsake sterftes was die risikovermindering 31% (HR, 0,69 95% CI, 0,65 - 0,74), dit was 37% vir CVD -dood (HR, 0,63 95 % CI, 0,55 - 0,72), en 14% vir kankersterfte (HR, 0,86 95% CI, 0,77 - 0,96).

Vermindering onder diegene wat gereeld oefen in vergelyking met die onaktiewe groep was 35% (HR, 0,65 95% CI, 0,58 - 0,73) vir sterftes van alle oorsake, 41% (HR, 0,59 95% CI, 0,48 - 0,73) vir CVD -dood, en 21% (HR, 0,7995% CI, 0,66 - 0,94) vir kankersterfte.

'Een van die opvallendste bevindings in die huidige studie was dat 1 of 2 sessies per week van matige of sterk intensiewe vrye tyd fisiese aktiwiteit voldoende was om die risiko's van alle oorsake, CVD en kanker te verminder, ongeag die nakoming van die heersende fisiese aktiwiteit aktiwiteitsriglyne, "het die navorsers tot die gevolgtrekking gekom. Die ondersoek het ook getoon dat die naweekstryd ook voordelig is vir vroue en mans.

"Die bemoedigende nuus uit hierdie nuwe verslag is dat vir diegene wat minder gereeld oefen, die minimum riglyne in slegs 1 tot 2 sessies per week voldoen, 'n sterftevoordeel oplewer," skryf Hannah Arem, PhD, en Loretta DiPietro, PhD, van die Milken Institute School of Public Health aan die George Washington University, Washington, DC, in 'n genooide kommentaar.

"Die skrywers moet geprys word vir hierdie belangrike bydrae tot die literatuur oor die belangrikheid van die frekwensie van fisieke aktiwiteit, en ons hoop dat toekomstige studies hierdie vrae sal ondersoek om die nasionale en internasionale riglyne beter in te lig," sluit hulle af.

Beperkings van die studie sluit in die selfrapportering van aktiwiteit, gebrek aan veralgemening van die 90% blanke respondente, en die bewys van assosiasie, nie oorsaak nie.

Die ondersoekers en die kommentators het geen relevante finansiële verhoudings bekend gemaak nie.

JAMA Intern Med. Gepubliseer aanlyn 9 Januarie 2017. Volledige teks van artikel, volledige teks van kommentaar


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

As u slegs een of twee sessies per week oefen in die "weekend warrior" -modus, verlaag die risiko vir alle sterftes en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

Volgens die Wêreldgesondheidsorganisasie is die minimale weeklikse vryetydsoefening vir diegene tussen 18 en 64 jaar 150 minute aerobiese aktiwiteit van matige intensiteit of 75 minute van aerobiese aktiwiteit met sterk intensiteit. Dit is bekend dat sulke aktiwiteite, wat oor 'n paar dae gedurende die week versprei word, die risiko vir CVD, kanker en sterftes van alle oorsake verminder.

Dit was egter nie duidelik of die konsentrasie van die hoeveelheid oefening in een of twee sessies, soos 'naweekvegters' dikwels dieselfde voordele bied nie.

Om uit te vind, ontleed Gary O'Donovan, PhD, aan die Loughborough University, Engeland, en kollegas data van 63 591 respondente van die Health Survey for England en die Scottish Health Survey tussen 1994 en 2012. Die opnames het gesinne gekies op grond van aardrykskunde, en die British National Health Service Central Register het deelnemers wat gesterf het, geïdentifiseer. Die navorsers ondersoek die verband tussen oefenpatrone en die risiko vir dood weens alle oorsake, CVD en kanker.

Deelnemers was minstens 40 jaar oud om hartsterftes as gevolg van aangebore toestande uit te sluit. Onderhoudvoerders het inligting versamel, insluitend sport, oefening en huishoudelike aktiwiteite wat gedurende die vorige 4 weke plaasgevind het.

Deelnemers is verdeel in vier groepe volgens oefengewoontes: onaktief (geen gemelde matige of kragtige aktiwiteit of oefening nie), onvoldoende aktief (& lt150 minute per week van matige aktiwiteit of & lt75 minute van sterk aktiwiteit), gereeld aktief (≥150 minute per week van matige aktiwiteit of 75 minute kragtige aktiwiteit vanaf 3 of meer sessies), of naweekstryder (≥150 minute per week matige aktiwiteit of 75 minute kragtige aktiwiteit in een of twee sessies).

Die gemiddelde ouderdom van die deelnemers was 58,6 45,9% was mans en 44,1% was vroue. Aan die begin was 39.947 (62.8%) onaktief, 14.224 (22.4%) was onvoldoende aktief, 2341 (3.7%) was naweekvegters en 7079 (11.1%) was gereeld aktief. Die gemiddelde liggaamsmassa -indeks was soortgelyk onder die groepe.

Die naweekvegters was ongeveer eweredig verdeel oor die vraag of hulle hul oefensessies of aktiwiteite in een of twee sessies ingeprop het: 45,0% in een en 55,0% in twee.

Mans het meer uit die naweek -vegterklassifikasie bestaan. Sport was meer gewild onder die naweekvegters (2201 [94,0%]) in vergelyking met die deelnemers wat gereelde aktiwiteite rapporteer (5309 [75,0%]). (73,0%) van die gereeld aktiewe deelnemers.

Onaktiewe deelnemers was ouer en het meer geneig om te rook, chroniese siektes te hê en ongeskoolde werk te verrig.

Alhoewel nawekrygers gemiddeld 300 minute per week in matige of kragtige aktiwiteit deurgebring het in vergelyking met 450 minute per week vir deelnemers wat gereelde aktiwiteite rapporteer, het die naweekstryders 'n groter deel van hul oefensessie op 'n sterk vlak bestee.

Die resultate dui aan dat enige oefening beter is as geen.

Onder die 63 591 deelnemers sterf 8802 aan alle oorsake, 2780 aan CVD en 2526 aan kanker.

In volledig aangepaste modelle was die risiko vir dood van alle oorsake 30% laer onder naweekvegters in vergelyking met onaktiewe deelnemers (gevaarverhouding [HR], 0,70 95% vertrouensinterval [CI], 0,60 - 0,82) risiko vir CVD -dood was 40% laer (HR, 0,60 95% CI, 0,45 - 0,82), en die risiko vir kankersterfte was 18% laer (HR, 0,82 95% CI, 0,63 - 1,06).

Soortgelyke risikoverminderings het voorgekom vir die onvoldoende aktiewe groep in vergelyking met onaktiewe deelnemers: vir alle oorsake sterftes was die risikovermindering 31% (HR, 0,69 95% CI, 0,65 - 0,74), dit was 37% vir CVD -dood (HR, 0,63 95 % CI, 0,55 - 0,72), en 14% vir kankersterfte (HR, 0,86 95% CI, 0,77 - 0,96).

Vermindering onder diegene wat gereeld oefen in vergelyking met die onaktiewe groep was 35% (HR, 0,65 95% CI, 0,58 - 0,73) vir sterftes van alle oorsake, 41% (HR, 0,59 95% CI, 0,48 - 0,73) vir CVD -dood, en 21% (HR, 0,7995% CI, 0,66 - 0,94) vir kankersterfte.

'Een van die opvallendste bevindings in die huidige studie was dat 1 of 2 sessies per week van matige of sterk intensiewe fisiese aktiwiteit voldoende was om die risiko's van alle oorsake, CVD en kanker te verminder, ongeag die nakoming van heersende fisiese aktiwiteite. aktiwiteitsriglyne, "het die navorsers tot die gevolgtrekking gekom. Die ondersoek het ook getoon dat naweekstryd ook voordelig is vir vroue en mans.

"Die bemoedigende nuus uit hierdie nuwe verslag is dat vir diegene wat minder gereeld oefen, die minimum riglyne in slegs 1 tot 2 sessies per week voldoen, 'n sterftevoordeel oplewer," skryf Hannah Arem, PhD, en Loretta DiPietro, PhD, van die Milken Institute School of Public Health aan die George Washington University, Washington, DC, in 'n genooide kommentaar.

"Die skrywers moet geprys word vir hierdie belangrike bydrae tot die literatuur oor die belangrikheid van die frekwensie van fisieke aktiwiteit, en ons hoop dat toekomstige studies hierdie vrae sal ondersoek om die nasionale en internasionale riglyne beter in te lig," sluit hulle af.

Beperkings van die studie sluit in die selfrapportering van aktiwiteit, gebrek aan veralgemening van die 90% blanke respondente, en die bewys van assosiasie, nie oorsaak nie.

Die ondersoekers en die kommentators het geen relevante finansiële verhoudings bekend gemaak nie.

JAMA Intern Med. Gepubliseer aanlyn 9 Januarie 2017. Volledige teks van artikel, volledige teks van kommentaar


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

As u slegs een of twee sessies per week oefen in die "weekend warrior" -modus, verlaag die risiko vir alle sterftes en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

Volgens die Wêreldgesondheidsorganisasie is die minimale weeklikse vryetydsoefening vir diegene tussen 18 en 64 jaar 150 minute aerobiese aktiwiteit van matige intensiteit of 75 minute van aerobiese aktiwiteit met sterk intensiteit. Dit is bekend dat hierdie aktiwiteit, wat oor 'n paar dae gedurende die week versprei word, die risiko vir CVD, kanker en sterftes van alle oorsake verminder.

Dit was egter nie duidelik of die konsentrasie van die hoeveelheid oefening in een of twee sessies, soos 'weekend warriors' dikwels dieselfde voordele bied nie.

Om uit te vind, ontleed Gary O'Donovan, PhD, aan die Loughborough University, Engeland, en kollegas data van 63 591 respondente van die Health Survey for England en die Scottish Health Survey tussen 1994 en 2012. Die opnames het gesinne gekies op grond van aardrykskunde, en die British National Health Service Central Register het deelnemers wat gesterf het, geïdentifiseer. Die navorsers ondersoek die verband tussen oefenpatrone en die risiko vir dood weens alle oorsake, CVD en kanker.

Deelnemers was minstens 40 jaar oud om hartsterftes as gevolg van aangebore toestande uit te sluit. Onderhoudvoerders het inligting versamel, insluitend sport, oefening en huishoudelike aktiwiteite wat gedurende die vorige 4 weke plaasgevind het.

Deelnemers is verdeel in vier groepe volgens oefengewoontes: onaktief (geen gemelde matige of kragtige aktiwiteit of oefening nie), onvoldoende aktief (& lt150 minute per week van matige aktiwiteit of & lt75 minute van sterk aktiwiteit), gereeld aktief (≥150 minute per week van matige aktiwiteit of 75 minute kragtige aktiwiteit vanaf 3 of meer sessies), of naweekstryder (≥150 minute per week matige aktiwiteit of 75 minute kragtige aktiwiteit in een of twee sessies).

Die gemiddelde ouderdom van die deelnemers was 58,6 45,9% was mans en 44,1% was vroue. Aan die begin was 39.947 (62.8%) onaktief, 14.224 (22.4%) was onvoldoende aktief, 2341 (3.7%) was naweekvegters en 7079 (11.1%) was gereeld aktief. Die gemiddelde liggaamsmassa -indeks was soortgelyk onder die groepe.

Die naweekvegters was ongeveer eweredig verdeel oor die vraag of hulle hul oefensessies of aktiwiteite in een of twee sessies ingeprop het: 45,0% in een en 55,0% in twee.

Mans het meer uit die naweek -vegterklassifikasie bestaan. Sport was gewilder onder die naweekvegters (2201 [94,0%]) in vergelyking met die deelnemers wat gereelde aktiwiteite rapporteer (5309 [75,0%]). (73,0%) van die gereeld aktiewe deelnemers.

Onaktiewe deelnemers was ouer en het meer geneig om te rook, chroniese siektes te hê en ongeskoolde werk te verrig.

Alhoewel nawekrygers gemiddeld 300 minute per week in matige of kragtige aktiwiteit deurgebring het in vergelyking met 450 minute per week vir deelnemers wat gereelde aktiwiteite rapporteer, het die naweekstryders 'n groter deel van hul oefensessie op 'n sterk vlak bestee.

Die resultate dui aan dat enige oefening beter is as geen.

Onder die 63 591 deelnemers sterf 8802 aan alle oorsake, 2780 aan CVD en 2526 aan kanker.

In volledig aangepaste modelle was die risiko vir dood van alle oorsake 30% laer onder naweekvegters in vergelyking met onaktiewe deelnemers (gevaarverhouding [HR], 0,70 95% vertrouensinterval [CI], 0,60 - 0,82) risiko vir CVD -dood was 40% laer (HR, 0,60 95% CI, 0,45 - 0,82), en die risiko vir kankersterfte was 18% laer (HR, 0,82 95% CI, 0,63 - 1,06).

Soortgelyke risikoverminderings het voorgekom vir die onvoldoende aktiewe groep in vergelyking met onaktiewe deelnemers: vir alle oorsake sterftes was die risikovermindering 31% (HR, 0,69 95% CI, 0,65 - 0,74), dit was 37% vir CVD -dood (HR, 0,63 95 % CI, 0,55 - 0,72) en 14% vir kankersterfte (HR, 0,86 95% CI, 0,77 - 0,96).

Vermindering onder diegene wat gereeld oefen in vergelyking met die onaktiewe groep was 35% (HR, 0,65 95% CI, 0,58 - 0,73) vir sterftes van alle oorsake, 41% (HR, 0,59 95% CI, 0,48 - 0,73) vir CVD -dood, en 21% (HR, 0,7995% CI, 0,66 - 0,94) vir kankersterfte.

'Een van die opvallendste bevindings in die huidige studie was dat 1 of 2 sessies per week van matige of sterk intensiewe vrye tyd fisiese aktiwiteit voldoende was om die risiko's van alle oorsake, CVD en kanker te verminder, ongeag die nakoming van die heersende fisiese aktiwiteit aktiwiteitsriglyne, "het die navorsers tot die gevolgtrekking gekom. Die ondersoek het ook getoon dat die naweekstryd ook voordelig is vir vroue en mans.

"Die bemoedigende nuus uit hierdie nuwe verslag is dat vir diegene wat minder gereeld oefen, die nakoming van die minimum riglyne in slegs 1 tot 2 sessies per week 'n mate van sterftes oplewer," skryf Hannah Arem, PhD, en Loretta DiPietro, PhD, van die Milken Institute School of Public Health aan die George Washington University, Washington, DC, in 'n genooide kommentaar.

"Die skrywers moet geprys word vir hierdie belangrike bydrae tot die literatuur oor die belangrikheid van die frekwensie van fisieke aktiwiteit, en ons hoop dat toekomstige studies hierdie vrae sal ondersoek om die nasionale en internasionale riglyne beter in te lig," sluit hulle af.

Beperkings van die studie sluit in die selfrapportering van aktiwiteit, gebrek aan veralgemening van die 90% blanke respondente, en die bewys van assosiasie, nie oorsaak nie.

Die ondersoekers en die kommentators het geen relevante finansiële verhoudings bekend gemaak nie.

JAMA Intern Med. Gepubliseer aanlyn 9 Januarie 2017. Volledige teks van artikel, volledige teks van kommentaar


'Weekend Warriors' het 'n laer risiko om dood te veroorsaak

Deur slegs een of twee sessies per week te oefen in die "weekend warrior" -modus, verlaag die risiko vir sterftes van alle oorsake en sterftes as gevolg van kardiovaskulêre siektes (CVD) of kanker in vergelyking met geen oefening nie, volgens die resultate van 'n studie wat op 9 Januarie aanlyn gepubliseer is. JAMA Interne Geneeskunde.

The minimal weekly level of leisure time exercise for those aged 18 to 64 years, according to the World Health Organization, is 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity. Such activity, spread over several days during the week, is known to reduce the risk for CVD, cancer, and all-cause mortality.

However, it has not been clear whether concentrating that amount of exercise into one or two sessions, as "weekend warriors" often do, provides the same benefits.

To find out, Gary O'Donovan, PhD, from Loughborough University, England, and colleagues analyzed data from 63,591 respondents to the Health Survey for England and the Scottish Health Survey between 1994 and 2012. The surveys selected households based on geography, and the British National Health Service Central Registry identified participants who died. The researchers probed associations between exercise patterns and the risk for death from all causes, CVD, and cancer.

Participants were at least 40 years of age to exclude cardiac deaths resulting from congenital conditions. Interviewers collected information, which included sports, exercise, and domestic activities that had occurred during the previous 4 weeks.

Participants were divided into four groups according to exercise habits: inactive (no reported moderate or vigorous activity or exercise), insufficiently active (<150 minutes per week of moderate activity or <75 minutes of vigorous activity), regularly active (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity from 3 or more sessions), or weekend warrior (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity in one or two sessions).

Mean age of participants was 58.6 45.9% were men and 44.1% were women. At the start, 39,947 (62.8%) were inactive, 14,224 (22.4%) were insufficiently active, 2341 (3.7%) were weekend warriors, and 7079 (11.1%) were regularly active. Mean body mass index was similar among the groups.

The weekend warriors were about evenly split over whether they crammed their workouts or activities into one or two sessions: 45.0% in one and 55.0% in two.

Men comprised more of the weekend warrior classification. Sports were more popular among the weekend warriors (2201 [94.0%]) compared with among the participants reporting regular activity (5309 [75.0%]. Walking briskly or fast was also popular, reported from 726 (31.0%) of weekend warriors and 5168 (73.0%) of the regularly active participants.

Inactive participants were older and more likely to smoke, have chronic illness, and perform unskilled work.

Although weekend warriors spent on average 300 minutes per week in moderate or vigorous activity compared with 450 minutes per week for participants reporting regular activity, the weekend warriors spent a greater proportion of their workout time at the vigorous level.

The results indicate that any exercise is better than none.

Among the 63,591 participants, 8802 died from all causes, 2780 from CVD, and 2526 from cancer.

In fully adjusted models, risk for all-cause death was 30% lower among weekend warriors compared with inactive participants (hazard ratio [HR], 0.70 95% confidence interval [CI], 0.60 - 0.82) risk for CVD death was 40% lower (HR, 0.60 95% CI, 0.45 - 0.82), and risk for cancer death was 18% lower ( HR, 0.82 95% CI, 0.63 - 1.06).

Similar risk reductions emerged for the insufficiently active group compared with inactive participants: for all-cause mortality, risk reduction was 31% (HR, 0.69 95% CI, 0.65 - 0.74), it was 37% for CVD death (HR, 0.63 95% CI, 0.55 - 0.72), and 14% for cancer death (HR, 0.86 95% CI, 0.77 - 0.96).

Reductions among those who regularly exercise compared with the inactive group were 35% (HR, 0.65 95% CI, 0.58 - 0.73) for all-cause mortality, 41% (HR, 0.59 95% CI, 0.48 - 0.73) for CVD death, and 21% (HR, 0.7995% CI, 0.66 - 0.94) for cancer death.

"One of the most striking findings in the present study was that 1 or 2 sessions per week of moderate- or vigorous-intensity leisure time physical activity was sufficient to reduce all-cause, CVD, and cancer mortality risks regardless of adherence to prevailing physical activity guidelines," the researchers conclude. The investigation also showed that weekend warriorhood is similarly beneficial in women and men.

"The encouraging news emerging from this new report is that for those who exercise less frequently, meeting the guidelines minimum in only 1 to 2 sessions per week yields some mortality benefit," write Hannah Arem, PhD, and Loretta DiPietro, PhD, from the Milken Institute School of Public Health at George Washington University, Washington, DC, in an invited commentary.

"The authors should be commended for this important contribution to the literature on the importance of frequency of physical activity, and we hope that future studies will continue to explore these questions to better inform national and international guidelines," they conclude.

Limitations of the study include the self-reporting of activity, lack of generalizability from the 90% white respondents, and demonstrating association, not causation.

The investigators and the commentators have disclosed no relevant financial relationships.

JAMA Intern Med. Published online January 9, 2017. Article full text, Commentary full text


'Weekend Warriors' Have Lower Risk for All-Cause Death

Exercising in "weekend warrior" mode for just one or two sessions a week lowers the risk for all-cause mortality and death from cardiovascular disease (CVD) or cancer compared with no exercise, according to results of a study published online January 9 in JAMA Internal Medicine.

The minimal weekly level of leisure time exercise for those aged 18 to 64 years, according to the World Health Organization, is 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity. Such activity, spread over several days during the week, is known to reduce the risk for CVD, cancer, and all-cause mortality.

However, it has not been clear whether concentrating that amount of exercise into one or two sessions, as "weekend warriors" often do, provides the same benefits.

To find out, Gary O'Donovan, PhD, from Loughborough University, England, and colleagues analyzed data from 63,591 respondents to the Health Survey for England and the Scottish Health Survey between 1994 and 2012. The surveys selected households based on geography, and the British National Health Service Central Registry identified participants who died. The researchers probed associations between exercise patterns and the risk for death from all causes, CVD, and cancer.

Participants were at least 40 years of age to exclude cardiac deaths resulting from congenital conditions. Interviewers collected information, which included sports, exercise, and domestic activities that had occurred during the previous 4 weeks.

Participants were divided into four groups according to exercise habits: inactive (no reported moderate or vigorous activity or exercise), insufficiently active (<150 minutes per week of moderate activity or <75 minutes of vigorous activity), regularly active (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity from 3 or more sessions), or weekend warrior (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity in one or two sessions).

Mean age of participants was 58.6 45.9% were men and 44.1% were women. At the start, 39,947 (62.8%) were inactive, 14,224 (22.4%) were insufficiently active, 2341 (3.7%) were weekend warriors, and 7079 (11.1%) were regularly active. Mean body mass index was similar among the groups.

The weekend warriors were about evenly split over whether they crammed their workouts or activities into one or two sessions: 45.0% in one and 55.0% in two.

Men comprised more of the weekend warrior classification. Sports were more popular among the weekend warriors (2201 [94.0%]) compared with among the participants reporting regular activity (5309 [75.0%]. Walking briskly or fast was also popular, reported from 726 (31.0%) of weekend warriors and 5168 (73.0%) of the regularly active participants.

Inactive participants were older and more likely to smoke, have chronic illness, and perform unskilled work.

Although weekend warriors spent on average 300 minutes per week in moderate or vigorous activity compared with 450 minutes per week for participants reporting regular activity, the weekend warriors spent a greater proportion of their workout time at the vigorous level.

The results indicate that any exercise is better than none.

Among the 63,591 participants, 8802 died from all causes, 2780 from CVD, and 2526 from cancer.

In fully adjusted models, risk for all-cause death was 30% lower among weekend warriors compared with inactive participants (hazard ratio [HR], 0.70 95% confidence interval [CI], 0.60 - 0.82) risk for CVD death was 40% lower (HR, 0.60 95% CI, 0.45 - 0.82), and risk for cancer death was 18% lower ( HR, 0.82 95% CI, 0.63 - 1.06).

Similar risk reductions emerged for the insufficiently active group compared with inactive participants: for all-cause mortality, risk reduction was 31% (HR, 0.69 95% CI, 0.65 - 0.74), it was 37% for CVD death (HR, 0.63 95% CI, 0.55 - 0.72), and 14% for cancer death (HR, 0.86 95% CI, 0.77 - 0.96).

Reductions among those who regularly exercise compared with the inactive group were 35% (HR, 0.65 95% CI, 0.58 - 0.73) for all-cause mortality, 41% (HR, 0.59 95% CI, 0.48 - 0.73) for CVD death, and 21% (HR, 0.7995% CI, 0.66 - 0.94) for cancer death.

"One of the most striking findings in the present study was that 1 or 2 sessions per week of moderate- or vigorous-intensity leisure time physical activity was sufficient to reduce all-cause, CVD, and cancer mortality risks regardless of adherence to prevailing physical activity guidelines," the researchers conclude. The investigation also showed that weekend warriorhood is similarly beneficial in women and men.

"The encouraging news emerging from this new report is that for those who exercise less frequently, meeting the guidelines minimum in only 1 to 2 sessions per week yields some mortality benefit," write Hannah Arem, PhD, and Loretta DiPietro, PhD, from the Milken Institute School of Public Health at George Washington University, Washington, DC, in an invited commentary.

"The authors should be commended for this important contribution to the literature on the importance of frequency of physical activity, and we hope that future studies will continue to explore these questions to better inform national and international guidelines," they conclude.

Limitations of the study include the self-reporting of activity, lack of generalizability from the 90% white respondents, and demonstrating association, not causation.

The investigators and the commentators have disclosed no relevant financial relationships.

JAMA Intern Med. Published online January 9, 2017. Article full text, Commentary full text


'Weekend Warriors' Have Lower Risk for All-Cause Death

Exercising in "weekend warrior" mode for just one or two sessions a week lowers the risk for all-cause mortality and death from cardiovascular disease (CVD) or cancer compared with no exercise, according to results of a study published online January 9 in JAMA Internal Medicine.

The minimal weekly level of leisure time exercise for those aged 18 to 64 years, according to the World Health Organization, is 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity. Such activity, spread over several days during the week, is known to reduce the risk for CVD, cancer, and all-cause mortality.

However, it has not been clear whether concentrating that amount of exercise into one or two sessions, as "weekend warriors" often do, provides the same benefits.

To find out, Gary O'Donovan, PhD, from Loughborough University, England, and colleagues analyzed data from 63,591 respondents to the Health Survey for England and the Scottish Health Survey between 1994 and 2012. The surveys selected households based on geography, and the British National Health Service Central Registry identified participants who died. The researchers probed associations between exercise patterns and the risk for death from all causes, CVD, and cancer.

Participants were at least 40 years of age to exclude cardiac deaths resulting from congenital conditions. Interviewers collected information, which included sports, exercise, and domestic activities that had occurred during the previous 4 weeks.

Participants were divided into four groups according to exercise habits: inactive (no reported moderate or vigorous activity or exercise), insufficiently active (<150 minutes per week of moderate activity or <75 minutes of vigorous activity), regularly active (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity from 3 or more sessions), or weekend warrior (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity in one or two sessions).

Mean age of participants was 58.6 45.9% were men and 44.1% were women. At the start, 39,947 (62.8%) were inactive, 14,224 (22.4%) were insufficiently active, 2341 (3.7%) were weekend warriors, and 7079 (11.1%) were regularly active. Mean body mass index was similar among the groups.

The weekend warriors were about evenly split over whether they crammed their workouts or activities into one or two sessions: 45.0% in one and 55.0% in two.

Men comprised more of the weekend warrior classification. Sports were more popular among the weekend warriors (2201 [94.0%]) compared with among the participants reporting regular activity (5309 [75.0%]. Walking briskly or fast was also popular, reported from 726 (31.0%) of weekend warriors and 5168 (73.0%) of the regularly active participants.

Inactive participants were older and more likely to smoke, have chronic illness, and perform unskilled work.

Although weekend warriors spent on average 300 minutes per week in moderate or vigorous activity compared with 450 minutes per week for participants reporting regular activity, the weekend warriors spent a greater proportion of their workout time at the vigorous level.

The results indicate that any exercise is better than none.

Among the 63,591 participants, 8802 died from all causes, 2780 from CVD, and 2526 from cancer.

In fully adjusted models, risk for all-cause death was 30% lower among weekend warriors compared with inactive participants (hazard ratio [HR], 0.70 95% confidence interval [CI], 0.60 - 0.82) risk for CVD death was 40% lower (HR, 0.60 95% CI, 0.45 - 0.82), and risk for cancer death was 18% lower ( HR, 0.82 95% CI, 0.63 - 1.06).

Similar risk reductions emerged for the insufficiently active group compared with inactive participants: for all-cause mortality, risk reduction was 31% (HR, 0.69 95% CI, 0.65 - 0.74), it was 37% for CVD death (HR, 0.63 95% CI, 0.55 - 0.72), and 14% for cancer death (HR, 0.86 95% CI, 0.77 - 0.96).

Reductions among those who regularly exercise compared with the inactive group were 35% (HR, 0.65 95% CI, 0.58 - 0.73) for all-cause mortality, 41% (HR, 0.59 95% CI, 0.48 - 0.73) for CVD death, and 21% (HR, 0.7995% CI, 0.66 - 0.94) for cancer death.

"One of the most striking findings in the present study was that 1 or 2 sessions per week of moderate- or vigorous-intensity leisure time physical activity was sufficient to reduce all-cause, CVD, and cancer mortality risks regardless of adherence to prevailing physical activity guidelines," the researchers conclude. The investigation also showed that weekend warriorhood is similarly beneficial in women and men.

"The encouraging news emerging from this new report is that for those who exercise less frequently, meeting the guidelines minimum in only 1 to 2 sessions per week yields some mortality benefit," write Hannah Arem, PhD, and Loretta DiPietro, PhD, from the Milken Institute School of Public Health at George Washington University, Washington, DC, in an invited commentary.

"The authors should be commended for this important contribution to the literature on the importance of frequency of physical activity, and we hope that future studies will continue to explore these questions to better inform national and international guidelines," they conclude.

Limitations of the study include the self-reporting of activity, lack of generalizability from the 90% white respondents, and demonstrating association, not causation.

The investigators and the commentators have disclosed no relevant financial relationships.

JAMA Intern Med. Published online January 9, 2017. Article full text, Commentary full text


'Weekend Warriors' Have Lower Risk for All-Cause Death

Exercising in "weekend warrior" mode for just one or two sessions a week lowers the risk for all-cause mortality and death from cardiovascular disease (CVD) or cancer compared with no exercise, according to results of a study published online January 9 in JAMA Internal Medicine.

The minimal weekly level of leisure time exercise for those aged 18 to 64 years, according to the World Health Organization, is 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity. Such activity, spread over several days during the week, is known to reduce the risk for CVD, cancer, and all-cause mortality.

However, it has not been clear whether concentrating that amount of exercise into one or two sessions, as "weekend warriors" often do, provides the same benefits.

To find out, Gary O'Donovan, PhD, from Loughborough University, England, and colleagues analyzed data from 63,591 respondents to the Health Survey for England and the Scottish Health Survey between 1994 and 2012. The surveys selected households based on geography, and the British National Health Service Central Registry identified participants who died. The researchers probed associations between exercise patterns and the risk for death from all causes, CVD, and cancer.

Participants were at least 40 years of age to exclude cardiac deaths resulting from congenital conditions. Interviewers collected information, which included sports, exercise, and domestic activities that had occurred during the previous 4 weeks.

Participants were divided into four groups according to exercise habits: inactive (no reported moderate or vigorous activity or exercise), insufficiently active (<150 minutes per week of moderate activity or <75 minutes of vigorous activity), regularly active (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity from 3 or more sessions), or weekend warrior (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity in one or two sessions).

Mean age of participants was 58.6 45.9% were men and 44.1% were women. At the start, 39,947 (62.8%) were inactive, 14,224 (22.4%) were insufficiently active, 2341 (3.7%) were weekend warriors, and 7079 (11.1%) were regularly active. Mean body mass index was similar among the groups.

The weekend warriors were about evenly split over whether they crammed their workouts or activities into one or two sessions: 45.0% in one and 55.0% in two.

Men comprised more of the weekend warrior classification. Sports were more popular among the weekend warriors (2201 [94.0%]) compared with among the participants reporting regular activity (5309 [75.0%]. Walking briskly or fast was also popular, reported from 726 (31.0%) of weekend warriors and 5168 (73.0%) of the regularly active participants.

Inactive participants were older and more likely to smoke, have chronic illness, and perform unskilled work.

Although weekend warriors spent on average 300 minutes per week in moderate or vigorous activity compared with 450 minutes per week for participants reporting regular activity, the weekend warriors spent a greater proportion of their workout time at the vigorous level.

The results indicate that any exercise is better than none.

Among the 63,591 participants, 8802 died from all causes, 2780 from CVD, and 2526 from cancer.

In fully adjusted models, risk for all-cause death was 30% lower among weekend warriors compared with inactive participants (hazard ratio [HR], 0.70 95% confidence interval [CI], 0.60 - 0.82) risk for CVD death was 40% lower (HR, 0.60 95% CI, 0.45 - 0.82), and risk for cancer death was 18% lower ( HR, 0.82 95% CI, 0.63 - 1.06).

Similar risk reductions emerged for the insufficiently active group compared with inactive participants: for all-cause mortality, risk reduction was 31% (HR, 0.69 95% CI, 0.65 - 0.74), it was 37% for CVD death (HR, 0.63 95% CI, 0.55 - 0.72), and 14% for cancer death (HR, 0.86 95% CI, 0.77 - 0.96).

Reductions among those who regularly exercise compared with the inactive group were 35% (HR, 0.65 95% CI, 0.58 - 0.73) for all-cause mortality, 41% (HR, 0.59 95% CI, 0.48 - 0.73) for CVD death, and 21% (HR, 0.7995% CI, 0.66 - 0.94) for cancer death.

"One of the most striking findings in the present study was that 1 or 2 sessions per week of moderate- or vigorous-intensity leisure time physical activity was sufficient to reduce all-cause, CVD, and cancer mortality risks regardless of adherence to prevailing physical activity guidelines," the researchers conclude. The investigation also showed that weekend warriorhood is similarly beneficial in women and men.

"The encouraging news emerging from this new report is that for those who exercise less frequently, meeting the guidelines minimum in only 1 to 2 sessions per week yields some mortality benefit," write Hannah Arem, PhD, and Loretta DiPietro, PhD, from the Milken Institute School of Public Health at George Washington University, Washington, DC, in an invited commentary.

"The authors should be commended for this important contribution to the literature on the importance of frequency of physical activity, and we hope that future studies will continue to explore these questions to better inform national and international guidelines," they conclude.

Limitations of the study include the self-reporting of activity, lack of generalizability from the 90% white respondents, and demonstrating association, not causation.

The investigators and the commentators have disclosed no relevant financial relationships.

JAMA Intern Med. Published online January 9, 2017. Article full text, Commentary full text


'Weekend Warriors' Have Lower Risk for All-Cause Death

Exercising in "weekend warrior" mode for just one or two sessions a week lowers the risk for all-cause mortality and death from cardiovascular disease (CVD) or cancer compared with no exercise, according to results of a study published online January 9 in JAMA Internal Medicine.

The minimal weekly level of leisure time exercise for those aged 18 to 64 years, according to the World Health Organization, is 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity. Such activity, spread over several days during the week, is known to reduce the risk for CVD, cancer, and all-cause mortality.

However, it has not been clear whether concentrating that amount of exercise into one or two sessions, as "weekend warriors" often do, provides the same benefits.

To find out, Gary O'Donovan, PhD, from Loughborough University, England, and colleagues analyzed data from 63,591 respondents to the Health Survey for England and the Scottish Health Survey between 1994 and 2012. The surveys selected households based on geography, and the British National Health Service Central Registry identified participants who died. The researchers probed associations between exercise patterns and the risk for death from all causes, CVD, and cancer.

Participants were at least 40 years of age to exclude cardiac deaths resulting from congenital conditions. Interviewers collected information, which included sports, exercise, and domestic activities that had occurred during the previous 4 weeks.

Participants were divided into four groups according to exercise habits: inactive (no reported moderate or vigorous activity or exercise), insufficiently active (<150 minutes per week of moderate activity or <75 minutes of vigorous activity), regularly active (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity from 3 or more sessions), or weekend warrior (≥150 minutes per week of moderate activity or 75 minutes of vigorous activity in one or two sessions).

Mean age of participants was 58.6 45.9% were men and 44.1% were women. At the start, 39,947 (62.8%) were inactive, 14,224 (22.4%) were insufficiently active, 2341 (3.7%) were weekend warriors, and 7079 (11.1%) were regularly active. Mean body mass index was similar among the groups.

The weekend warriors were about evenly split over whether they crammed their workouts or activities into one or two sessions: 45.0% in one and 55.0% in two.

Men comprised more of the weekend warrior classification. Sports were more popular among the weekend warriors (2201 [94.0%]) compared with among the participants reporting regular activity (5309 [75.0%]. Walking briskly or fast was also popular, reported from 726 (31.0%) of weekend warriors and 5168 (73.0%) of the regularly active participants.

Inactive participants were older and more likely to smoke, have chronic illness, and perform unskilled work.

Although weekend warriors spent on average 300 minutes per week in moderate or vigorous activity compared with 450 minutes per week for participants reporting regular activity, the weekend warriors spent a greater proportion of their workout time at the vigorous level.

The results indicate that any exercise is better than none.

Among the 63,591 participants, 8802 died from all causes, 2780 from CVD, and 2526 from cancer.

In fully adjusted models, risk for all-cause death was 30% lower among weekend warriors compared with inactive participants (hazard ratio [HR], 0.70 95% confidence interval [CI], 0.60 - 0.82) risk for CVD death was 40% lower (HR, 0.60 95% CI, 0.45 - 0.82), and risk for cancer death was 18% lower ( HR, 0.82 95% CI, 0.63 - 1.06).

Similar risk reductions emerged for the insufficiently active group compared with inactive participants: for all-cause mortality, risk reduction was 31% (HR, 0.69 95% CI, 0.65 - 0.74), it was 37% for CVD death (HR, 0.63 95% CI, 0.55 - 0.72), and 14% for cancer death (HR, 0.86 95% CI, 0.77 - 0.96).

Reductions among those who regularly exercise compared with the inactive group were 35% (HR, 0.65 95% CI, 0.58 - 0.73) for all-cause mortality, 41% (HR, 0.59 95% CI, 0.48 - 0.73) for CVD death, and 21% (HR, 0.7995% CI, 0.66 - 0.94) for cancer death.

"One of the most striking findings in the present study was that 1 or 2 sessions per week of moderate- or vigorous-intensity leisure time physical activity was sufficient to reduce all-cause, CVD, and cancer mortality risks regardless of adherence to prevailing physical activity guidelines," the researchers conclude. The investigation also showed that weekend warriorhood is similarly beneficial in women and men.

"The encouraging news emerging from this new report is that for those who exercise less frequently, meeting the guidelines minimum in only 1 to 2 sessions per week yields some mortality benefit," write Hannah Arem, PhD, and Loretta DiPietro, PhD, from the Milken Institute School of Public Health at George Washington University, Washington, DC, in an invited commentary.

"The authors should be commended for this important contribution to the literature on the importance of frequency of physical activity, and we hope that future studies will continue to explore these questions to better inform national and international guidelines," they conclude.

Limitations of the study include the self-reporting of activity, lack of generalizability from the 90% white respondents, and demonstrating association, not causation.

The investigators and the commentators have disclosed no relevant financial relationships.

JAMA Intern Med. Published online January 9, 2017. Article full text, Commentary full text