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.
1 Infraspinatus: This rotator cuff muscle helps raise and lower the arm. 2  Teres major: This muscle helps rotate the upper arm.  Serratus anterior: Located in the rib cage, this muscle keeps the shoulder blade against the chest wall and helps rotate the shoulder blade upward.