It provides motor innervation from cervical levels C5 and C6 to the supraspinatus and infraspinatus muscles of the rotator cuff (C4 also contributes in 22% of people),1 as well as proprioceptive ...

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 ...