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.
Your rotator cuff is made up of muscles and tendons that keep the ball (head) of your upper-arm bone (humerus) in your shoulder socket. It also helps you raise and rotate your arm. Each one of these muscles is part of the rotator cuff and plays an important role: Supraspinatus.