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一、摆臂时肩关节过僵原因:(1)技术概念模糊。(2)肩关节灵活性差。(3)肩关节周围肌肉用力不均衡。(4)缺乏训练后的有效放松。纠正方法:(1)明确动作要领。(2)心理放松法:在舒缓的音乐中,让队员立定站好,闭上双眼,全身处于放松状态,意念放松并抖动双肩4-6分钟。每天坚持做一次。(3)摆臂练习:让队员成弓步静止状态,肩放松,两臂从自然下垂状态慢慢抬起,然后前后放松摆臂,幅度由小到大,频率慢慢变快,练习1-2分钟,然后接50米中速跑,体会放松摆
First, when the arm shoulder stiffness reasons: (1) the concept of technology ambiguity. (2) poor shoulder flexibility. (3) uneven muscle strength around the shoulder joint. (4) lack of effective relaxation after training. Remedy: (1) clear action essentials. (2) psychological relaxation method: In the soothing music, let the team stand upright, close your eyes, the whole body in a relaxed state of mind to relax and jitter shoulders 4-6 minutes. Do it once a day. (3) swing arm exercises: Let the players into a lunar state of quiescence, shoulders relax, arms slowly lifted from the state of natural droop, and then relax the arm back and forth, ranging from small to large, the frequency slowly, practice 1- 2 minutes, then 50 meters running speed, feel relaxed