Lesser Tuberosity Fractures Wheeless

Description: - pure avulsions of the lesser tuberosity are rare;
- pressence of this frx raises possibility of assoicatted posterior dislocation;
- lesser tuberosity fragment consists of the lesser tuberosity with its attached subscapularis muscle;
- avulsion of this frag may allow undue external rotation of humeral neck frx;
- two part lesser tuberosity frx are usually associated w/ posterior glenohumeral dislocation
Wheeless Textbook of Orthopaedics