本文選題：肩胛骨動力障礙　切入點：肌肉激活程度　出處：《北京體育大學》2017年碩士論文　論文類型：學位論文

【摘要】：研究目的:研究核心穩(wěn)定性訓練對上肢過頂項目運動員肩胛骨動力障礙康復效果的影響,包括肩胛帶肌肉的激活程度和活動比率、肩胛骨靜態(tài)位置、肩關節(jié)功能的變化,為上肢過頂運動員肩胛骨動力障礙的康復提供新思路和方法。研究方法:將肩胛骨動力障礙上肢過頂項目運動員24名,隨機分成肩加核心組E組及肩組C組。C組進行單純肩胛帶訓練,E組則在每次肩胛帶訓練之前均加入核心穩(wěn)定性訓練。訓練5周前后測試肩胛系數SI、肩胛骨外側滑動測試LSST、肩胛帶肌肉在上肢過頂動作中激活程度(肌肉募集程度百分比MVC%和均方根肌電RMS)、肌肉平衡比率(UT/MT、UT/LT、UT/SA)、肩關節(jié)功能指標(DASH、Y-Balance)、核心穩(wěn)定性,進行組內及組間差異性分析,比較兩組治療效果。研究結果:與訓練前相比,1.兩組SI均顯著升高,組間無顯著性差異;兩組LSST中肩關節(jié)外展90°位外側滑移顯著減少。2.肩胛帶肌電指標:(1)兩組UT在W動作中的激活程度顯著下降;兩組MT在T動作中、LT在Y動作中、SA在推肩俯臥撐上升階段的激活程度均顯著提高;且E組SA在推肩俯臥撐上升階段的激活程度顯著高于C組。(2)肩關節(jié)屈曲和D2動作中,兩組UT激活程度均顯著降低,E組UT的激活程度顯著低于C組;兩組LT激活程度顯著升高,且E組LT的激活程度顯著高于C組,E組UT/LT、UT/SA顯著低于C組。(3)在肩關節(jié)外展中,兩組UT激活程度均顯降低;兩組LT激活程度升高,且E組顯著高于C組;E組SA的MVC%顯著升高;E組UT/MT、UT/LT顯著低于C組。3.肩關節(jié)功能指標:(1)兩組DASH得分均顯著降低,且E組體育模塊得分顯著低于肩組。(2)E組Y-Balance得分顯著升高,且顯著高于C組,E組外上線距離顯著增加。4.核心穩(wěn)定性:E組核心穩(wěn)定性顯著提高,且顯著高于C組。研究結論:上肢過頂運動員肩胛骨動力障礙康復中,核心穩(wěn)定性訓練的加入可降低上肢過頂動作中UT的激活程度,提高LT的激活程度,降低UT/LT及UT/SA肌肉活動比率;改善肩胛骨的異常位置,提升肩關節(jié)功能狀態(tài)。
[Abstract]:Objective: to study the effect of core stability training on the rehabilitation effect of scapular dynamic disorder in upper extremity athletes, including the activation degree and activity ratio of scapular muscles, the static position of scapula, and the changes of shoulder joint function. To provide new ideas and methods for the rehabilitation of scapular dyskinesia in upper limb overtopping athletes. Group E was randomly divided into shoulder plus core group E and shoulder group C. C for simple scapular band training. Group E was given core stability training before and after each scapular band training. The scapular coefficient SIand lateral scapular slippage were measured before and after 5 weeks of training. Motion test LSST, the degree of activation of scapular muscles over the top of the upper limb (percentage of muscle recruitment degree MVC% and RMSM, muscle balance ratio of UTR / MTUTR / LTT / SAA, shoulder joint function index DASHY-Balancex, core stability, etc. The results showed that the SI of the two groups was significantly higher than that of before training, but there was no significant difference between the two groups. The lateral slip of 90 擄abduction of shoulder joint was significantly decreased in LSST group. The activation degree of UT in W motion was significantly decreased in two groups (EMG index of scapular band: 1). In both groups, the activation of LT in Y motion was significantly higher than that in group E, and the activation degree of SA in group E was significantly higher than that in group C and group D 2. The activation degree of UT in group E was significantly lower than that in group C, and the activation degree of LT in group E was significantly higher than that in group C (P < 0.05), and the level of activation of LT in group E was significantly higher than that in group C (P < 0.05), and the degree of activation of LT in group E was significantly higher than that in group C (P < 0.05). The level of UT activation in group E was significantly lower than that in group C (P < 0.05). The DASH score of group E was significantly higher than that of group C (P < 0.01), and the MVC% of group E was significantly higher than that of group C (P < 0.05), and the score of DASH in group E was significantly lower than that in group C (P < 0.05), and the score of DASH in group E was significantly lower than that in group C (P < 0.05). The score of sports module in E group was significantly lower than that in shoulder group. The score of Y-Balance in group E was significantly higher than that in group C. 4. The core stability of group E was significantly higher than that of group E, and the core stability of group E was significantly higher than that of group E. Conclusion: the addition of core stability training can reduce the activation of UT and increase the activation of LT. Reduce the ratio of UT/LT and UT/SA muscle activity, improve the abnormal position of scapula, improve the function of shoulder joint.
【學位授予單位】：北京體育大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：G808.1

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