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rotator cuff
noun
: a supporting and strengthening structure of the shoulder joint that is made up of the capsule of the shoulder joint blended with tendons and muscles as they pass to the capsule or across it to insert on the head of the humerus
Examples of rotator cuff in a Sentence
Recent Examples on the Web
This includes your rotator cuff, a set of four different muscles that help stabilize the joint and keep it in its proper place.
—Elizabeth Millard, Cpt, SELF, 19 Nov. 2024
Ryan can see the silver lining in that the MRI revealed his rotator cuff, labrum and lat muscle all were unaffected, which gives him confidence there won’t be long-lasting health ramifications.
—Dan Hayes, The Athletic, 10 Aug. 2024
Koerner tried to hang on, but was thrown hard against the boat, ripping his rotator cuff in several places.
—Lane Sainty, The Arizona Republic, 3 Nov. 2024
Jones has strained his right shoulder and incurred a small partial thickness tear in his rotator cuff, he is expected to miss between two-to-four weeks.
—Marco Rubio, Newsweek, 1 Nov. 2024
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Word History
First Known Use
1944, in the meaning defined above
Dictionary Entries Near rotator cuff
Cite this Entry
“Rotator cuff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rotator%20cuff. Accessed 30 Nov. 2024.
Medical Definition
rotator cuff
noun
: a supporting and strengthening structure of the shoulder joint that is made up of part of its capsule blended with tendons of the subscapularis, infraspinatus, supraspinatus, and teres minor muscles as they pass to the capsule or across it to insert on the humerus
called also musculotendinous cuff
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