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KMID : 1120320170030030128
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Osteoporosis and Sarcopenia
2017 Volume.3 No. 3 p.128 ~ p.131
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Comparison of lower leg muscle strength and grip strength for diagnosing slower gait speed in the elderly
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Ohta Junko
Seki Momoyo
Ao Misora
Okajima Rina
Kuwabara Akiko
Takaoka Hiroko
Aoyama Kaoru
Tanaka Kiyoshi
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Abstract
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Objectives: Sarcopenia, decreased muscle volume and muscle weakness in the elderly is a serious risk of various adverse outcomes. Current diagnostic procedure for sarcopenia includes gait speed, grip strength, and percentage of skeletal muscle volume. However, lower leg muscle strength decreases much faster than grasp power, and we have evaluated the usefulness of its measurement using a recently developed instrument (Locomoscan).
Methods: Forty-three institutionalized elderly subjects were evaluated for their anthropometrical parameters, body composition, grasp and lower leg muscle strength, and gait speed. They were categorized into 2 groups; gait speed equal to or higher than 0.8 m/s and that below 0.8 m/s.
Results: Leg muscle strength per body weight was significantly greater in those with their gait speed equal to or higher than 0.8 m/s, whereas there was no significant difference in other parameters. Receiver operator characteristics analysis has shown that leg muscle alone significantly predicted the greater gait speed.
Conclusions: Lower leg muscle strength can be useful for predicting gait speed.
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KEYWORD
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Leg muscle strength measurement, Sarcopenia, Locomoscan, Gait speed
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