Ortho Dx: The treatment dilemma with partial rotator cuff tears

A 49-year-old woman presents with a 4-month history of left shoulder pain. She enjoys going to the gym and cross training, but her shoulder has been bothering her with overhead activities. She received a subacromial injection 2 months earlier and underwent several weeks of physical therapy with minimal relief. Anteroposterior and outlet radiographs show no abnormalities. ...