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Does low volume high-intensity interval training elicit superior benefits to continuous low to moderate-intensity training in cancer survivors?

引用

World Journal of Clinical Oncology 2018年第1期9卷 1-12页

作者： Kellie Toohey Kate Pumpa Andrew McKune Julie Cooke Katrina D DuBose Desmond Yip Paul Craft stuart semple Discipline of Sport and Exercise Science Faculty of Health University of Canberra Research Institute for Sport and Exercise University of Canberra Health Research Institute University of Canberra Discipline of Biokinetics Exercise and Leisure Sciences School of Health Sciences University of Kwa ZuluNatal the College of Health and Hunan Performance East Carolina University ANU Medical School the Australian National University Health Research Institute University of Canberra

AIM To determine the impact ofm low volume high-intensity interval training(LVHIIT) and continuous low to moderate-intensity exercise training(CLMIT) on cardiovascular disease(CVD) risk and health outcomes in cancer *** Sedentary cancer survivors(n=75,aged 51±12year)within 24 months of diagnosis,were randomised into three groups for 12 wk of LVHIIT(n=25),CLMIT(n=25)or control group(n=25).The exercise intervention involved 36 sessions(three sessions per week).The LVHIIT group performed 7 x 30 s intervals(≥85%predicted maximal heart rate)with a 60 s rest between intervals,and the CLMIT group performed continuous aerobic training for 20 min(≤55%predicted maximal heart rate)on a stationary *** variables were measured at baseline and at12 weeks and analysed using a 3 x 2(group x time)repeated measures ANCOVA to evaluate main and interaction *** Significant improvements(time)were observed for seven of the 22 variables(ES 0.35-0.97,P≤0.05).There was an interaction effect(P<0.01)after 12 in the LVHIIT group for six-minute walk test(P<0.01;d=0.97;95%CI:0.36,1.56;large),sit to stand test(P<0.01;d=-0.83;95%CI:-1.40,-0.22;large)and waist circumference reduction(P=0.01;d=-0.48;95%CI:-1.10,0.10;medium).An interaction effect(P<0.01)was also observed for quality of life in both the LVHIIT(d=1.11;95CI:0.50,1.72;large)and CLMIT(d=0.57;95%CI:-0.00,1.20;moderate)compared with the control group(d=-0.15;95%CI:-0.95,0.65;trivial).CONCLUSION Low-volume high-intensity training shows promise as an effective exercise prescription within the cancer population,showing greater improvements in cardiorespiratory fitness,lower body strength and waist circumference compared with traditional CLMIT and control *** LVHIIT and CLMIT improved quality of life.A proposed benefit of LVHIIT is the short duration(3 min)of exercise required,which may entice more cancer survivors to participate in exercise,improving health outcomes and lowing the risk of CVD.

关键词： High-intensity exercise Health Oncology Exercise prescription

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