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 muscle is one of the musculotendinous support structures called the rotator cuff that surround and enclose the shoulder. It helps to resist the inferior gravitational forces placed across the shoulder joint due to the downward pull from the weight of the upper limb.
Another suggested reason for the supraspinatus to be damaged preferentially over the other rotator cuff muscles is a decreased blood supply to the tendon (MacNab, 1973). These ideas are discussed more in the âWhy Does it Occurâ tab of this site.