Understanding the Rotator Cuff Anatomy and Function   There is a list of classic complaints I hear due to shoulder pain: I have trouble reaching behind my back.  Putting on clothing hurts.  Reaching for objects causes a spike in pain.  I have trouble getting my arm overhead.  I feel like one arm is weaker than the other, and fatigues quickly. I cannot throw. I have trouble sleeping on my shoulder due to pain.  I have pain that runs down my arm.  I have shoulder pain and now I have neck pain.  Often, these complaints are caused by an injury to the rotator cuff.    How do the anatomy and function of the rotator cuff impact physical therapy? What is my rotator cuff injury? How long till my rotator cuff injury is better?   Shoulder Overview The shoulder is a complex joint. It is involved in most daily activities. Once it