Rotator
Rotator
Rotator (/roʊˈteɪtər/), from the Latin rotare meaning "to rotate", is a term used in anatomy to refer to a group of muscles that allow for the rotation of a joint. The most commonly known rotator is the rotator cuff, a group of muscles and tendons that stabilize the shoulder.
Etymology
The term "rotator" is derived from the Latin word rotare, which means "to rotate". This is in reference to the function of these muscles, which is to allow for the rotation of certain joints in the body.
Related Terms
- Rotator Cuff: A group of muscles and tendons that surround the shoulder joint, providing stability and allowing for various movements of the shoulder.
- Rotator Cuff Tear: A common injury involving a tear in one of the muscles or tendons of the rotator cuff.
- Rotator Interval: A triangular space in the shoulder where some of the rotator cuff muscles are located.
- Rotator Cuff Tendinitis: An inflammation of the tendons of the rotator cuff, often caused by repetitive overhead activity.
- Rotator Cuff Impingement: A condition where the rotator cuff tendons are compressed during shoulder movements, causing pain and limited movement.
Pronunciation
Rotator is pronounced as /roʊˈteɪtər/.
External links
- Medical encyclopedia article on Rotator
- Wikipedia's article - Rotator
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