Definition of vendetta. 1  1 : blood feud. 2  2 : an often prolonged series of retaliatory, vengeful, or hostile acts or exchange of such acts waged a personal vendetta against those who opposed his nomination.
A strain is a twist, pull and/or tear of a muscle and/or tendon. Tendons are fibrous cords of tissue that attach muscles to bone. Strains and sprains are among the most common sports injuries.
Rotator cuff tendinosis occurs when the small muscles of the rotator cuff, the supraspinatus, infraspinatus, teres minor, and subscapularis, become strained causing weakness of these structures and subsequent tendonitis (tendon inflammation).