發(fā)布時(shí)間：2018-02-24 13:09

  本文關(guān)鍵詞： 肌內(nèi)效貼 疲勞 急停起跳 下肢損傷 運(yùn)動(dòng)表現(xiàn)　出處：《北京體育大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：研究目的:通過對(duì)比肌內(nèi)效貼扎組和安慰劑組以及對(duì)照組受試者在急性疲勞過程中完成急停起跳動(dòng)作時(shí)下肢生物力學(xué)特征的異同,探究肌內(nèi)效貼在實(shí)際運(yùn)動(dòng)中是否可以幫助肌肉抵抗疲勞對(duì)下肢造成的消極影響以及肌內(nèi)效貼是否會(huì)提高人體的運(yùn)動(dòng)表現(xiàn)。研究方法:9名普通健康男性大學(xué)生,分別在股直肌肌內(nèi)效貼扎、安慰劑貼扎和不進(jìn)行貼扎三種狀態(tài)下進(jìn)行三次測(cè)試,每次測(cè)試在疲勞干預(yù)前、中、后分別進(jìn)行急停起跳動(dòng)作測(cè)試,用紅外高速運(yùn)動(dòng)捕捉系統(tǒng)和三維測(cè)力臺(tái)對(duì)受試者急停起跳動(dòng)作的運(yùn)動(dòng)學(xué)和動(dòng)力學(xué)數(shù)據(jù)進(jìn)行同步采集,每?jī)纱螠y(cè)試時(shí)間間隔一周。研究結(jié)果:無(wú)論是否進(jìn)行貼扎,疲勞后急停起跳著地時(shí)刻、首次水平向后地面反作用力峰值時(shí)刻和首次垂直地面反作用力峰值時(shí)刻的髖關(guān)節(jié)屈曲角(p=0.038,0.019,0.045)和膝關(guān)節(jié)屈曲角(p=0.017,0.013,0.024)顯著減小,起跳階段最大膝關(guān)節(jié)伸力矩(p=0.031)、最大踝關(guān)節(jié)跖屈力矩(p0.001)、垂直地面反作用力沖量(p=0.023)顯著下降;肌內(nèi)效貼扎與空白和安慰劑貼扎相比,急停起跳著地時(shí)刻膝關(guān)節(jié)屈曲角(p=0.032)顯著增加,首次水平向后地面反作用力峰值時(shí)刻膝關(guān)節(jié)內(nèi)收力矩(p=0.029)顯著減小。研究結(jié)論:1.股直肌上進(jìn)行肌內(nèi)效貼扎可以增加急停起跳著地時(shí)膝關(guān)節(jié)屈曲角、減小著地初期膝內(nèi)收力矩顯著,因此可以降低前交叉韌帶損傷的風(fēng)險(xiǎn)。2.對(duì)股直肌使用肌內(nèi)效貼不能提高人體起跳階段的運(yùn)動(dòng)表現(xiàn),也沒有增加蹬伸階段髖、膝最大伸展力矩和踝最大跖屈力矩。3.對(duì)股直肌使用肌內(nèi)效貼并不能改善疲勞對(duì)人體運(yùn)動(dòng)時(shí)下肢產(chǎn)生的消極影響。4.疲勞后急停起跳著地初期髖關(guān)節(jié)和膝關(guān)節(jié)屈曲角顯著減小,因此可以增加前交叉韌帶損傷的風(fēng)險(xiǎn)。5.疲勞后起跳階段人體的運(yùn)動(dòng)表現(xiàn)顯著下降,伸膝肌群和踝跖屈肌群向心收縮產(chǎn)生最大收縮力的能力顯著下降。
[Abstract]:Objective: to compare the biomechanical characteristics of lower extremities in the subjects of the intramuscular patch group, the placebo group and the control group during acute fatigue. To find out whether intramuscular sticking can help muscles resist the negative effects of fatigue on lower extremities and whether it can improve the exercise performance of human body. Methods: 9 normal male college students. Three tests were conducted in three states, I. e., internal fixation of rectus femoris, placebo sticking and no sticking. Each test was performed before, during and after fatigue intervention. The kinematics and dynamics data of the subjects' sudden stop and takeoff were collected synchronously by using the infrared high-speed motion capture system and the three dimensional force-measuring platform, and the interval between the two tests was one week. The hip joint flexion angle of the first horizontal backward ground reaction peak moment and the first vertical ground reaction peak moment were decreased significantly after fatigue, and the knee joint flexion angle was 0.017 0. 013 ~ 0. 024), the hip joint flexion angle was 0. 038 ~ 0. 019 ~ 0. 045) and the knee joint flexion angle was 0. 017 ~ 0. 013 ~ 0. 024). The maximal knee joint extension torque in the take-off stage was 0.031, the maximal ankle metatarsal flexion moment was p0.001, and the impulse of the vertical ground reaction force was significantly decreased, and the intramuscular effect sticking was significantly higher than that of the blank and placebo patch, and the knee flexion angle p0.032) was significantly increased at the time of landing and landing. Conclusion: 1. The intramuscular effect attached to the rectus femoris muscle can increase the flexion angle of knee joint and decrease the initial knee adductive moment significantly at the initial stage of landing. Therefore, it can reduce the risk of anterior cruciate ligament injury. 2. The use of intramuscular patch to the rectus femoris does not improve the motor performance of the human body during the take-off period, nor does it increase the hip in the pedal and extensional stage. The maximal extension torque of knee and the maximal metatarsal flexion torque of ankle .3.The application of intramuscular patch to rectus femoris can not improve the negative effect of fatigue on the lower extremities of human body. 4. After fatigue, the flexion angle of hip joint and knee joint decreased significantly in the early stage of landing on the ground. Therefore, it can increase the risk of anterior cruciate ligament injury. 5. During the take-off after fatigue, the movement performance of the human body decreased significantly, and the ability of the extensor knee muscle group and the ankle flexor muscle group to produce the maximal contractile force was significantly decreased.
【學(xué)位授予單位】：北京體育大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：G804.6

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