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 describes inflammation, swelling, and irritation of a tendon. Tendonitis is a painful condition that is felt most at the tendon insertion site - the place where the tendon attaches to your bone. You may also experience along the length of a tendon near the point where your muscle and tendon come together.