Effect of Daily Activity on Muscle Strength and on the Cross Sectional Areas of Thighs in Middle-aged and Elderly Men

Effect of Daily Activity on Muscle Strength and on the Cross Sectional Areas of Thighs in Middle-aged and Elderly Men

This study was conducted to determine the standard data on muscle strength and the cross sectional areas of thighs of 18 healthy middle-aged and elderly men. Daily activity was calculated from the average number of steps a day during one week by a pedmeter, Muscle peak torques of knee extensors and...

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Veröffentlicht in:Rihabiritēshon igaku 1990/11/18, Vol.27(6), pp.459-463
Hauptverfasser: TANAKA, Hirotaka, OGATA, Hajime, HACHISUKA, Kenji, KOUSI, Katsuko, MARUYAMA, Izumi
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container_end_page 463
container_issue 6
container_start_page 459
container_title Rihabiritēshon igaku
container_volume 27
creator TANAKA, Hirotaka
OGATA, Hajime
HACHISUKA, Kenji
KOUSI, Katsuko
MARUYAMA, Izumi
description This study was conducted to determine the standard data on muscle strength and the cross sectional areas of thighs of 18 healthy middle-aged and elderly men. Daily activity was calculated from the average number of steps a day during one week by a pedmeter, Muscle peak torques of knee extensors and flexsors were examined with an isokinetic dynamometer, and muscle cross sectional areas of mid-thighs were evaluated with a computed tomography. The mean peak torques of knee extensors and flexsors were 14.1±2.8kg·m, 7.6±1.5kg·m in the men whose daily average amount of walking was more than 4×1, 000 and less than 8×1, 000. The cross sectional area of the former and the latter were 56.3±6.4cm2, 30.4±5.9cm2. It was postulated that daily activity of more than 4×1, 000 might be needed to prevent disuse atrophy in healthy middle-aged and elderly men.
doi_str_mv 10.2490/jjrm1963.27.459
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title Effect of Daily Activity on Muscle Strength and on the Cross Sectional Areas of Thighs in Middle-aged and Elderly Men
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