A problem that has recently been recognized as a potential etiology of shoulder pain and weakness is suprascapular nerve entrapment. This was first described by Thompson and Koppel in 1959.1,2 As rotator cuff pathology is much more common, this problem was often overlooked and diagnosis was delayed. Other authors have recognized contributing causes including anomalous transverse ligament,3,4 ganglion,5,6,7,8 abnormal bone morphology,9,10 sporting activities,11,12,13 and large rotator cuff tears with retraction.14,15,16