A tough sheath of tendons and ligaments that supports the arm at the shoulder joint.
〔剖〕〈主美〉（肩关节囊的）旋转套，肌腱套
Example sentencesExamples
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.
In several clinical studies, the use of ultrasonography or arthrography has shown residual defects in surgically repaired rotator cuffs, with an incidence as high as 50% in some reports.
Tendinitis of the shoulder, particularly the rotator cuff, is prevalent among swimmers and athletes who perform repeated overhead motions.
The rotators of the hip are like the rotator cuff of the shoulder.
He still has trouble with his lower and upper back and both shoulders, especially the right rotator cuff, which stabilizes the head of the humerus within the shoulder joint.
Definition of rotator cuff in US English:
rotator cuff
noun
North American Anatomy
A capsule with fused tendons that supports the arm at the shoulder joint and is often subject to athletic injury.
〔剖〕〈主美〉（肩关节囊的）旋转套，肌腱套
Example sentencesExamples
In several clinical studies, the use of ultrasonography or arthrography has shown residual defects in surgically repaired rotator cuffs, with an incidence as high as 50% in some reports.
He still has trouble with his lower and upper back and both shoulders, especially the right rotator cuff, which stabilizes the head of the humerus within the shoulder joint.
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.
The rotators of the hip are like the rotator cuff of the shoulder.