下肢運動傷害對腿後肌與股四頭肌向心肌力比值之影響

Effect of Lower Eextremities Sports Injuries on Hamstrings and Quadriceps Concentric Strength

10.29697/JPE.201205.0011

劉瑩芳(Ying-Fang Liu)；呂芳陽(Fang-Yang Lu)；邱憲祥(Hsien-Hsiang Chiu)；莊國上(Kuo-Shang Chuang)

運動傷害 ； 向心肌力 ； 下肢肌力 ； 優秀運動員 ； sports injury ； concentric strength ； lower extremity strength ； elite athletes

輔仁大學體育學刊

11期（2012 / 05 / 31）

167 - 176

繁體中文

本研究之主要目的為：比較下肢受傷運動員與沒有受傷之運動員，腿後肌與股四頭肌向心肌力比值之差異；藉由本次研究，提供受傷後運動員、教練與運動傷害防護員，應更加注意運動員其下肢肌力的發展，與肌肉力量的平衡狀況。本實驗之參與對象為42位長跑、短跑、舉重與跆拳道之運動競技專長學生運動員、不分男女性別，並排除在過去半年內是否曾有過重大傷害或接受過下肢之手術，以避免運動員因本次測驗而產生不適感、造成過大之傷害，並將曾有過下肢運動傷害與未曾發生過傷害之運動員分為受傷組（n=25）與無傷害組（n=17）。使用Biodex System III等速測力儀測試60度/秒及300度/秒兩種角速度下各反覆5次之膝關節腿後肌與股四頭肌的向心肌力值，再計算其H/Q比值。結果在H/Q比值發現，受傷組與無傷害組在等速60度/秒測試達顯著差異，300度/秒之H/Q比值受傷組較無傷害組高、未達顯著差異。顯示運動員下肢受傷後，其H/Q比值結果易低於正常範圍值，顯示出腿後肌肌力相對不足於股四頭肌肌力，因此下肢傷害易造成下肢肌力的不平衡，影響運動員運動表現與信心。

The main purpose of this study was to compare muscle ratio of the injured athletes and non-injured athletes of the difference lower extremity muscle strength. The subjects of this experiment involved 42 long-distance running, sprinting, weightlifting and taekwondo student athletes of athletic expertise, they divided into injured groups (n = 25) and non-injured (n = 17). Biodex System III isokinetic dynamometer was used to test with 60°/sec and 300°/sec angular velocity. Results in H/Q ratio was found injured group and non-injury group at constant 60°/sec have significant difference, 300 300°/sec of non-injured group significantly less than injured group. The H/Q ratio of injured athletes showed the lower than normal range of values is easy, mean the relative lack of muscle strength after a leg in quadriceps muscle strength, lower limb injuries so easily lead to lower limb muscle strength imbalance, affecting athletes' sports performance and confidence.

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