Shoulder Injuries
A 22-year-old rugby player presents after an anterior shoulder dislocation that required reduction in the emergency department. This is his third dislocation in two years, all occurring during tackles. CT scan shows a 20% glenoid bone loss and a moderate Hill-Sachs lesion that engages with the arm in 90 degrees of abduction and external rotation. Regarding shoulder instability:
Mark each as TRUE or FALSE
Anterior shoulder instability accounts for approximately 95% of shoulder dislocations; mechanism is ...
Glenoid bone loss greater than 20-25% (inverted pear glenoid) is a critical threshold associated wit...
Posterior dislocations are more common than anterior; the Hill-Sachs lesion occurs on the anterior h...
Surgical options include: arthroscopic Bankart repair (soft tissue, for minimal bone loss less than ...
The ISIS (Instability Severity Index Score) helps predict Bankart repair failure; factors include ag...
Answer the questions to see explanations
Click T (True) or F (False) for each option