The Shoulder

Fracture of the humerus
Luxation of the shoulder
Direct blow to the shoulder
Neurocompression in the quadrilateral space - its boundaries are: the teres minor superiorly, the teres major inferiorly, the humeral shaft laterally and the long head of the triceps medialy.

Clinical presentation

Pain and pins and needles in the deltoid area
Numbness at the antero-lateral aspect of the shoulder.
Considerable wasting of the deltoid muscle.

The functional examination of the shoulder shows some weakness of the abduction.
The accessory tests for the deltoid muscle are weak and painless.

Treatment:
None.
Surgical decompression gives poor results.
Sometimes there is a spontaneous recovery.