中高年者における下肢筋力の測定・評価がその後の運動行動に与える影響

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  • チュウコウネンシャニオケルカシキンリョクノソクテイ・ヒョウカガソノゴノウンドウコウドウニアタエルエイキョウ
  • The effect of evaluating lower extremity muscle power in middle−to− aged adult followed by exercise behavior

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Abstract

type:論文

eng=It is well known that the power of muscles declines with aging. Especially, the power of lower extremity muscles, compared to the trunk and upper limbs, are known to start declining earlier. The decline in the power of lower extremity muscles is caused by the lack of exercise and an inactive lifestyle. It is important to understand muscle weakness objectively, and reconsider and improve exercise behaviors for preventing lifestyle diseases, as well as for decreasing the risk of locomotive syndromes. In the transtheoretical model (TTM) developed to explain changes in unhealthy habitual behaviors, self-efficacy is regarded as a factor affecting stages of behavioral change, which are major components of TTM. This study examined the effects of measuring the power of lower extremity muscles followed by exercise behaviors. (1) Measurement of power in lower extremity muscles, (2) survey of stages of changes in exercise behaviors, and (3) the exercise self-efficacy scale were conducted with the middle-to-aged (N=14). The participants were instructed to increase physical activity and exercise time by 10 minutes during three months. Moreover, they were required to record the content of exercise. The second measurement and survey were implemented three months after the first, which was the baseline. Participants were classified into two groups based on the results of the first measurement of lower extremity muscle power : younger than the actual age group (Low group) and older than the actual age group (High group). Differences in the measured values between the first and second assessment were examined in each group. The results indicated that the Low group tended to change to the latter stages of change. On the other hand, exercise self-efficacy in the High group tended to decline.

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