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Aging and muscle strength II ‐ Effects of a combined physical activity program in muscular strength in elderly. The aim of the present study was to evaluate the effect of a combination of specific strength training plus a generalised physical activity program on knee extensor and flexor isokinetic peak torque of elderly adults according to gender. Nineteen elderly subjects, 12 women (age: years; weight: 66.7± 7.9 kg; height: 1.55± 0.1 m) and 7 men (age: 68.3±5.2 years; weight: 69.1±12.9 kg; height: 1.65± 0.2 m), participated in a 6-month program, consisting of 4 sessions per week (2 for generalized physical activity, 2 for strength training). All the subjects were tested for maximal strength of quadriceps and hamstrings on an isokinetic dynamometer (Biodex System 2, USA) at 60o/sec. (1.05 rad.sec. -1) and 180o/sec. (3.14 rad.sec. -1) before and after the training period. The results of this study showed that, a 6-month moderate-to-high-intensity strength training program combined with generalized physical activity is feasible and is associated with significant increasing in strength in older adults, namely on the non-dominant limb. Moreover, the results showed that gender does not influence the training induced adaptations in strength. In spite of men being stronger than women in absolute strength, there is no apparent difference between men and women in their responses to training. It seems reasonable that older adults, not only well tolerate moderate-to-high intensities of strength training, but also, this kind of physical activity programs can, independently of the gender, counteract the age-related decline in muscle strength.

Força muscular em idosos II — Efeito de um programa complementar de treino na força muscular de idosos de ambos os sexos