The rotator cuff is a group of four muscles and their tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shoulder socket. Rotator cuff injuries are common in people who perform repetitive overhead motions.
See a doctor if shoulder pain persists more than a few weeks, or if you have sudden severe pain or weakness after an injury.
Connect with a doctor, physical therapist, or imaging center near you.
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