Shoulder Instability
A 22-year-old rugby player presents after his fourth anterior shoulder dislocation. The first occurred 2 years ago during a tackle. He has persistent apprehension with external rotation and abduction. MR arthrogram reveals an anteroinferior labral tear and a posterolateral humeral head impression defect involving 25% of the articular surface. CT shows glenoid bone loss of 20%. Regarding anterior shoulder instability:
Mark each as TRUE or FALSE
Anterior shoulder instability is the most common direction (95%); it typically results from forced a...
The Hill-Sachs lesion is a posterolateral humeral head impression fracture caused by impaction again...
Posterior instability is most common; the Bankart lesion involves the posterior labrum; the Hill-Sac...
Clinical tests include the apprehension test (supine, 90° abduction, external rotation causes appreh...
Treatment depends on bone loss and activity demands: arthroscopic Bankart repair for soft tissue les...
Answer the questions to see explanations
Click T (True) or F (False) for each option