Traumatic Anterior Instability
History; typically, the humerus is elevated beyond 90 degrees and external rotated. The force is applied at a distance, such as when forearm is trying to block a shot in basketball; the arm is forcefully externally rotated. If the humerus dislocates, a reduction maneuver is often required.
Physical Examination shows; normal appearance in the chronic state, absence of rotator cuff weakness, apprehension with the arm in 90 degrees of abduction and 90 degrees of external rotation.
Nonoperative Treatment includes:
- Sling for comfort
- Avoid abducted, externally rotated arm position
Operative Treatment includes:
- Examination under anesthesia
- Labral repair to the glenoid fossa
- Glenoid fracture repair