NCIt definition : One of four rotator cuff muscles that form a musculotendinous cuff around the glenohumeral
joint, which provides muscular support to the shoulder. It arises from the supraspinous
fossa of the scapula, inserts into the greater tubercle of the humerus, and assists
to abduct the arm.;
Alternative definition : CDISC: One of four muscles surrounding the glenohumeral joint, in general extending
from the supraspinous fossa of the scapula to the greater tubercle of the humerus;
primary function is to abduct the arm and provide muscular support to the shoulder.;