1. 1  a suffix, equivalent in meaning to -ic, occurring in adjectives of Greek origin (analytic), used especially in the formation of adjectives from nouns with stems in -sis: hematotic; neurotic. Origin of -tic. Greek.
The supraspinatus (plural supraspinati, from Latin supraspinatus) is a relatively small muscle of the upper back that runs from the supraspinatous fossa superior of the scapula (shoulder blade) to the greater tubercle of the humerus. It is one of the four rotator cuff muscles and also abducts the arm at the shoulder.
The rotator cuff is a term used to describe the tendons and muscles that support, stabilize and allow the arm to move up and down, as well as rotate. The four muscles include the supraspinatus, infraspinatus, subscapularis, and teres minor. Injury to muscles or tendons that attach to bones comprise contractile units.