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Arthroscopy. 1993;9(6):611-6.

The rotator crescent and rotator cable: an anatomic description of the shoulder's "suspension bridge".

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University of Texas Health Science Center, San Antonio.

Erratum in

  • Arthroscopy 1994 Apr;10(2):239.


Twenty fresh frozen cadaver shoulders were dissected in order to study the rotator cable-crescent complex. The rotator crescent is a term that we have used to describe the thin, crescent-shaped sheet of rotator cuff comprising the distal portions of the supraspinatus and infraspinatus insertions. The crescent was found to be bounded on its proximal margin by a thick bundle of fibers that we have called the rotator cable. This cable-crescent configuration was found to consistently span the insertions of supraspinatus and infraspinatus tendons. The dimensions of the rotator cable and crescent were measured by a digital micrometer. The rotator cable was found to be a very substantial structure, averaging 2.59 times the thickness of the rotator crescent that it surrounded. This anatomic study supports the concepts of stress-shielding of the rotator crescent by the stout rotator cable and stress transfer by this loaded cable system.

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