Gender difference in subjective muscle-fatigue sensation during sustained muscle force exertion
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概要
- 論文の詳細を見る
Muscle endurance is one of the important composite factors to health-related physical fitness. However, previous measurement techniques for evaluation of isometric muscle endurance have been problematic, including rapid increase of blood pressure and heart rate. The progressive workload method which gradually increases the load can reduce subject's physical and mental burden and is safe even for the elderly. This study aims to examine the relationship between exerted force and subjective muscle-fatigue sensation (SMS) of the antebrachial region as well as differences with respect to gender during sustained static gripping. Subjects consisted of 12 males (age 20.8 ± 1.6 years) and 15 females (age 20.5 ± 1.3 years) with no history of neuromuscular disorders. They performed sustained static gripping, in which the demand values are gradually increased: 10 sec for 20% maximal voluntary contraction (MVC), 20 sec each for 30, 40, 50, 60, and 70% MVC, and 10 sec for 80% MVC. Demand values (each %MVC) were determined based on each subject's MVC. The forces exerted during at the demand values of 70-80% MVC were significantly lower in males than in females. A gender difference in SMS between male and female subjects occurred at demand values of 40-60% MVC. In short, even when maintaining the same exertion force during demand values of 40-60% MVC, males may experience greater physical fatigue than females. © 2008 Tohoku University Medical Press.
- 東北大学 : 東北ジャーナル刊行会の論文
- 2008-07-01
著者
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Demura Shinichi
Kanazawa Univ. Graduate School Of Natural Sci. & Technol.
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Demura Shinichi
Department Of Physical Education Kanazawa University
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Demura Shinichi
Graduate School of Natural Science & Technology, Kanazawa University
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Nakada Masakatsu
National Defense Academy
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Demura S
Graduate School Of Natural Science & Technology Kanazawa University
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Demura Shinichi
Graduate School Of Natural Sci. & Technol. Kanazawa Univ.
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Demura Shin-ichi
Department Of Physical Education Kanazawa University
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Nagasawa Yoshinori
Akita Prefectural University, Research and Education Center for Comprehensive Science
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Demura Shinichi
Kanazawa University
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Nakada Masakatsu
National Defense Acad.
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Nagasawa Y
Akita Prefectual University
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Nagasawa Yoshinori
Kyoto Pharmaceutical Univ. Dep. Of Health And Sports Sciences
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Nagasawa Yoshinori
Akita Prefectual University
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