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.
How does biceps tendon tendonitis occur? Tendonitis of the biceps is caused by strain from a sudden increase in amount or intensity of activity, or from overuse or repetitive elbow bending or wrist rotation, particularly with supination (when turning the palm up, such as when using a screwdriver).