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자료유형
학술저널
저자정보
Shengjie Liu (Shanxi university) Chengfei Zhang (Shanxi university) Lu Zhang (Shanxi university of finance and economics)
저널정보
아시아건강운동학회 Journal of Asian Society for Health & Exercise The Journal of Asian Society for Health & Exercise Vol.1 No.1
발행연도
2019.6
수록면
31 - 53 (23page)

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PURPOSE: To investigate the age-related changes of knee flexor muscle strength in middle-aged and elderly people aged 45-64 years in China; to study the effects of different physical exercise habits on the age-related changes of knee flexor muscle strength in middle-aged and elderly people. METHODS: The knee flexor muscle strength test was performed on the middle-aged and elderly people aged 45-64 by using the intelligent isometric muscle strength test system. The statistical analysis software spss21.0 was used for descriptive statistical analysis of the test data, age-related trend analysis, independent sample T-test analysis, analysis of variance and multiple comparisons were performed. Finally, regression analysis was used to analyze the influencing factors of age-related trends. RESULTS: It can be seen from Table 2 that there is a gender difference in the maximum muscle strength of the right and left lateral knee flexors, but the difference is not obvious. Among them, the average age of male middle-aged and older people is above 180N, and the females are all below 150N. The muscle strength of male middle-aged and older people is generally larger than that of female middle-aged and elderly. CONCLUSIONS: (1) there was gender difference in the maximum muscle strength of knee flexor in middle-aged and elderly people, but there was no difference between left and right (p<0.01). The gender difference shows that the mean muscle strength of the male is greater than that of the female, and the mean muscle strength of the male in each age group is about 1.5-2 times of that of the female corresponding age group, but the range of variation of the female muscle strength is more stable than that of the male (p<0.01). (2) The maximal muscle strength of the knee flexor of the male and female middle-aged groups showed a gradual decline in the overall age (p<0.01). And before the age of 60-64, the aging decline of female muscle strength is faster than that of male. Moreover, women showed a small upward trend in the 60-64 age group, but this phenomenon did not occur in male middle-aged people (p<0.01).

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