What are the 2 causes of a rotator cuff tear?
Degeneration
Trauma
- Overuse usually
How may a partial tear present?
Similar to acromioclavicular injury = painful arc
What may a complete tear present with?
Shoulder tip pain
Full range of passive movement
What clinical sign may be elicited?
Drop arm sing
When arm adducted to <90% it suddenly drops with pain
What is treatment of a rotator cuff tear?
Surgery
Open or arthroscopic