释义 |
rotator cuffnoun Anatomy, chiefly North AmericanA tough sheath of tendons and ligaments that supports the arm at the shoulder joint.The rotators of the hip are like the rotator cuff of the shoulder....- You don't need to be a major-league fastballer to have problems with your rotator cuff - the sheath of muscle that connects your arm to your shoulder.
- Tendinitis of the shoulder, particularly the rotator cuff, is prevalent among swimmers and athletes who perform repeated overhead motions.
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