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demyst92 demyst92
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11 years ago Edited: 11 years ago, demyst92
When you upward or downwardly rotate your scapula are you putting tension on the AC or SC ligaments? Or what if you protract or retract the scapula?
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Staff Member
8 years ago
Upward and downward rotation of scapula in AC joint 

Occurs in a scapular plane

Has a superior/inferior hinging movement

30 degrees with UE elevation over head

Overhead end range is a closed packed motion
                                       
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