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.
Four Rotator Cuff Muscles. Just having a look at the rotator cuff muscles now, there are four rotator cuff muscles and you can remember them with the acronym SITS-S I T S. S is Supraspinatus, I infraspinatus, T teres minor, and the final S is subscapularis.