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.
Tendonitis occurs when there is inflammation and irritation of the tendons. Tendons are the tight, band-like structures that connect muscles to bone. When the muscle contracts, the tendon is forcefully pulled. Tendonitis occurs then the tendons become inflamed as a result of injury or overuse.