In most sports with overhead movement, including tennis, an increased external rotation of the shoulder develops at the ... which are likely the cause of repetitive microtrauma leading to tennis elbow ...
Background: High demands imposed to the shoulder during tennis activity can decrease the efficiency of static and dynamic constraints. Subtle or frank instability of the glenohumeral joint may occur, ...
Joints are particularly susceptible to injury since so much is asked of them, particularly during physical activities.