The effects of endurance training on functional capacity in the elderly

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Abstract
In this investigation, meta-analysis was used to delineate exercise induced changes in te V̇O2max of older individual and test a null hypothesis of no significant training effct. Parameters included in the analysis were age of the subjects, length of the training regimen, frequency and duration of exercise bouts, pretraining V̇O2max, posttraining V̇O2max, and the diference between pretraining and posttraining V̇O2max was calculated, corrected for bias, weighted, and analyzed according to contemporary meta-analysis procedures. The mean efect size was found to be 0.65 standard deviation units, representing an improvement in oxygen consumption of 22.8%. The mean effect size was also significantly different from 0 (p < 0.0001), and the null hypothesis was rejected. Stepwise regrssion analysis indicated that length of training, pretraining V̇O2max, and duation of training bouts accounted for 59% of the total variation in V̇O2max, In addition, age was found to be inversely corlated with prtraining V̇O2max (2= −056, p=0.002), and V̇O2max (r= −0.56, p=0.003), It was concluede that endurance training significantly increases functional capacity in the elderly, and that theincrease is related to subject age, duration of exercise bouts, length of the training regimen, and pretraining V̇O2max.

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