Shoulder Pathology
A 19-year-old rugby player presents after an anterior shoulder dislocation that was reduced on the field. This is his third dislocation in 18 months. He reports recurrent episodes of subluxation during tackling. Examination reveals positive apprehension and relocation tests. MRI shows a Bankart lesion and a Hill-Sachs lesion involving 20% of the humeral head articular surface. Regarding shoulder instability:
Mark each as TRUE or FALSE
Anterior shoulder instability is most common (95%); the mechanism is abduction, external rotation, a...
The static stabilizers include the glenoid labrum (deepens socket by 50%), glenohumeral ligaments (I...
Posterior instability is more common than anterior; the mechanism is forward flexion, adduction, and...
Bone loss assessment is critical: glenoid bone loss greater than 20-25% (inverted pear) or engaging ...
Surgical options include arthroscopic Bankart repair (labral repair with suture anchors), open Banka...
Answer the questions to see explanations
Click T (True) or F (False) for each option