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.
Dave Cruz. 1  Grade 1 strains involve a few torn muscle or tendon fibers. 2  Grade 2 strains involve more torn fibers, some loss of strength, and a longer rehab period. 3  Grade 3 pectoralis strains are rare, painful, debilitating, and can have long-term effects on strength, power, range of motion, and sports performance.