Collapsing the Elbow Across the Body During the Underwater Propulsive Phase of the Stroke - if the elbow is dropped during the propulsive phase of the stroke, the head of the humerus is, again, rotated into the deltoid causing friction and tedonitis , and
Collapsing the Elbow Across the Body During the Underwater Propulsive Phase of the Stroke - if the elbow is dropped during the propulsive phase of the stroke, the head of the humerus is, again, rotated into the deltoid causing friction and tedonitis , and
在划臂的“抓水”阶段，手臂径直抓水或过分用力一如果在划臂的“抓水”阶段，手臂太直或过分用力，肱骨头就会旋进三角肌引起肌腱炎，肩胛骨也会挤压轴转肌而引起肌肉疼痛或组织损伤。