- Pain that doesn’t improve with rest and over-the-counter medication.
- Repeated bouts of shoulder pain.
- If you can’t lift and rotate your arm as usual.
- If your shoulder, hand, or arm on the injured side is weaker than the other.
- If your shoulder dislocates or it feels to you like your shoulder could slide out of place.
Rotator Cuff Injuries
That impressive range of motion of the glenohumeral joint is due to the rotator cuff, a commonly injured group of four tendons. The purpose of ligaments is to connect your muscles to bones. When the rotator cuff tendons become inflamed, damaged, or swollen, then lifting your arm over your head may be nearly impossible.