Assertion: shoulder's muscle | /r/AtLocation | uppermost part of the arm
Facets:
Source sentences:
text: "Instead of relying on a damaged rotator cuff, a reverse shoulder replacement makes joint movement dependent on the deltoid muscle, a large, triangular-shaped muscle located on top of the shoulder and the uppermost part of the arm," says Dr. Badia, who has years of experience in performing reverse shoulder replacements.