When we examined the patient’s shoulder, we saw severe atrophy of the right infraspinatus muscle (Figure 1A) with 4/5 strength in external rotation. O’Brien compression test (resisted shoulder flexion ...

Background Infraspinatus syndrome is a condition of painless weakness and atrophy of the infraspinatus muscle that results from suprascapular neuropathy. Objectives Survey the effects of a short term ...

Results—The electrodiagnostic study showed a severe suprascapular neuropathy in four players which affected only the infraspinatus muscle. In each of these four players, suprascapular nerve entrapment ...