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 rotator cuff tendons (supraspinatus, infraspinatus, teres minor and subscapularis) are just outside the. shoulder joint and its capsule. The muscles of the. rotator cuff help stabilize the shoulder and enable. you to lift your arm, reach overhead, and take part. in activities such as throwing, swimming and tennis.