The rotator cuff is a group of muscles and tendons which surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can result in a dull ache in the shoulder, which usually ends up getting worse when you try to sleep on the affected side. Rotator cuff tend to occur with people who repeatedly perform overhead motions in their sports, or jobs. For example, tennis players and carpenters. The risk of rotator cuff injury also ends up getting higher with age. Rotator cuff tears can also happen as a result of a single injury. Extensive rotator cuff tears might require surgical repair, joint replacement, or transfer of alternative tendons.
A rotator cuff injury can result in the following: A dull ache deep in the shoulder and sleep disturbance if the affected shoulder is laid on. Furthermore, it can also make it challenging to comb your hair, and can also be accompanied by arm weakness.