Women who are older than 75 years appear to get relatively little cardiovascular fitness benefit from strength or endurance training.
Few population-based trials have looked at the effects of such training in this population, according to the investigators, from Jyvaskyla Central Hospital, Berner Ltd, in Helsinki, Peurunka-Medical Rehabilitation and Physical Exercise Centre, Laukaa and University of Jyvaskyla, Finland.
They enrolled 42 medically screened women aged 76-78 years — 16 were randomly assigned to a strength group, 15 to endurance and 11 to a control group. The two exercise groups took part in individually tailored 18-week programmes at a university-based exercise laboratory. Controls carried on with their normal level of physical activity.
The women in the strength-training group increased their cycle ergometer peak power from 68.1 to 70.3 W (p=0.035 compared to controls) and their peak power per kg body weight from 1.02 to 1.05 (p=0.027). The endurance-training group increased their peak power per kg body weight from 0.91 to 0.93 (p=0.049). 18.1 to 19.7 ml.kg(-1) min(-1).
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