What Makes Up A “Rotator Cuff?” The Rotator Cuff (RC) is the grouping of muscles that keep the ball of the humerus into the socket of the shoulder. When asked to describe the RC, we like to use an…

What Makes Up A “Rotator Cuff?” The Rotator Cuff (RC) is the grouping of muscles that keep the ball of the humerus into the socket of the shoulder. When asked to describe the RC, we like to use an…