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<p></p> <p><b>New page</b></p><div>(A) Native shoulder. The center of rotation is in the humeral head, and the level of arm of deltoid does not allow consequent deltoid recruitment. (B) RSA with a medial glenoid/lateral humerus design in case of massive and irreparable rotator cuff lesion. Medialization of the center of rotation and humeral lateralization allows important deltoid recruitment. (C) Lateral glenoid/medial humerus RSA. As in native shoulders, the<br /> bony lateralization of the center of rotation decreases recruitment of the deltoid for rotation but allows for a retensioning of the rotator cuff.</div>

Alexandre.laedermann