Key result
The addition of an 8-week high-intensity strength training program to aerobic training in men with congestive heart failure significantly increased muscular strength by an average of 26%.
Why the study?
Does combined high-intensity strength and aerobic training improve muscular strength and cardiovascular responses in men with congestive heart failure compared to aerobic training alone?
RCT (n=21)
randomly assigned
Does combined high-intensity strength and aerobic training improve muscular strength and cardiovascular responses in men with congestive heart failure compared to aerobic training alone?
Adding an 8-week high-intensity strength training program to aerobic training safely and significantly improves muscular strength in men with stable congestive heart failure.
Supports adding high-intensity strength training to aerobic exercise in stable CHF; reinforces AHA/ACSM consensus recommendations.
The American Heart Association, American College ofSports Medicine, National Strength and Conditioning Asso-ciation, and the Surgeon General support the addition ofstrength training (ST) to aerobic exercise for optimizing ex-ercise outcomes. This study evaluated an 8-week combinedhigh-intensity ST and aerobic exercise program on muscularstrength, muscle soreness or injury, and cardiovascular re-sponses in congestive heart failure (CHF) patients. Twenty-one men with CHF were randomly assigned to either aerobictraining (AT; n 5 7) or AT plus ST (ATST; n 5 14). Muscularstrength, cardiovascular responses, and rate of muscle sore-ness or injury to 1 repetition maximum (1RM) testing weremeasured before and after 8 weeks of training. The ATSTgroup significantly improved strength in comparison withthe AT group, with an average increase of 26%. No cardio-vascular abnormalities, muscle injury, or significant musclesoreness were observed. The addition of a high-intensity STprogram to aerobic training resulted in significant increasesin strength in stable CHF patients with no abnormal re-sponses.
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Barnard et al. (2000) conducted an RCT in Congestive heart failure (CHF) (n=21). Aerobic training plus high-intensity strength training (ATST) vs. Aerobic training (AT) was evaluated on Muscular strength, muscle soreness or injury, and cardiovascular responses. The addition of an 8-week high-intensity strength training program to aerobic training in men with congestive heart failure significantly increased muscular strength by an average of 26%.
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