Suprascapular Neuropathy is dysfunction characterized by suprascapular nerve being compromised or entrapped and causing a weakness of the supraspinatus and infraspinatus musculature. The suprascapular nerve is innervated by C5,6 nerve roots. It presents typically with infraspinatus and sometimes supraspinatus muscle atrophy. Decrease strength is present with initial abduction and ER. May contribute to the “SICK” scapula dyskinesia.
Suprascapular Neuropathy is of prevalence in the general population 1-2%. It is noted of course in the athletic population such as throwing, volleyball and tennis. It is noted that individuals participating in sports related activities that require repetitive abduction and ER have much larger prevalence of 13-33% of shoulder pain.
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