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.
The four muscles of the rotator cuff. Now, the rotator cuff is composed of four muscles: the supraspinatus, the infraspinatus, subscapularis, and the teres minor. Collectively, the rotator cuff is responsible for rotation of the shoulder.