Muscle function and functional ability improves more in community-dwelling older women with a mixed-strength training programme.

BACKGROUND Supervised training can reach a limited number of elderly people. OBJECTIVE To determine the impact of a 1-year mixed-strength training programme on muscle function (MF), functional ability (FA) and physical activity (PA). SETTING Twice-a-week hospital-based exercise classes and a once-a-week home session. PARTICIPANTS twenty-eight healthy community-dwelling men and women on the training programme and 20 controls aged over 75 years. METHODS Training with two multi-gym machines for the lower limbs at 60% of the repetition maximum (1RM). At-home subjects used elastic bands. MEASUREMENTS Maximum isometric strength of knee extensors (KE), ankle plantar flexors (PF), leg extensor power (LEP), functional reach (FR), chair rise 1 (CR1) and 10 times (CR10), bed rise (BR), six-minute walking test (6MWT), stair climbing (SC), get-up-and-go (GU&G), one-leg standing (1LS). PA was assessed with the Paqap questionnaire. RESULTS Women were significantly weaker than men at baseline: -47% for KE and -59% for PF. Training induced significant gains in MF and FA in the training females; males improved significantly only in FA. PA levels increased non-significantly (2%) in all of the training group. CONCLUSIONS Long-term mixed-strength programmes can improve MF and FA in elderly females, and FA in elderly males.

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