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一、损伤原因和原理 肘关节损伤一般常发生在标枪出手的最后用力阶段,此时标枪的反作用力迫使前臂突然外展,旋后(被动损伤)或在投掷时屈手肌群和旋前圆肌猛烈收缩(主动损伤),从而造成肘关节的损伤。当伤者做屈肘、屈腕动作时感到疼痛,同时稍加外力让伤者做前臂旋前动作时备感疼痛,这表明其主要是屈手肌群或旋前圆肌起始部的损伤。而当医者一手托伤者肘部,另一手稍外展其前臂,伤者感到疼痛,这说明主要是肘关节的尺侧副韧带损伤。
First, the causes and principles of injury Elbow injury usually occurs in the javelin shot last force stage, when the reaction force javelin forearm suddenly forced abduction, supination (passive injury) or in the throwing flexor muscles and pronation Severe muscle contraction (active injury), resulting in elbow injury. When the injured elbow flexion, wrists wrist pain, while a little external force so that the wounded forearm pronation action preparatory pain, indicating that it is mainly flexor muscles or pronation circular muscle damage . However, when the practitioner took the elbow of the wounded hand and the other hand extended his forearm slightly, the injured felt pain, which indicated that the ulnar collateral ligament injury was mainly caused by the elbow joint.