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 supraspinatus muscle is located on the back of the shoulder. This muscle arises from the supraspinous fossa of the scapula and inserts on the greater tubercle of the humerus. The supraspinatus muscle is innervated by the nervus supraspinatus (C5-C6)5 . The supraspinatus muscle is part of the rotator cuff. The rotator cuff is a group of muscles4. It consists of the supraspinatus muscle, the infraspinatus muscle, the teres minor and the subscapularis. These muscles with their tendons stabilize, control and move the shoulder 6.