Acromiohumeral distance and scapular position

…do they change after overhead muscle fatigue?

It is generally believed that overhead athletes develop pathologic shoulder conditions as a result of both long and short term adaptations leading to a narrowed subacromial space. To gain more insight in this matter, the acute changes in acromiohumeral distance and 3-D scapular position after an overhead fatigue protocol were determined. Surprisingly, AHD increased and posterior tilt and upward and external rotation of the scapula increased.


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