Concussions are mild traumatic brain injuries. Sport related concussion is common injury that likely goes under athletes. Orthopedics is the branch of concerned with the conditions involving the musculoskeletal system. There are a wide variety of signs and symptoms associated with concussions. No two concussions are the same and individuals may experience only some of the symptoms. Symptoms may not show up immediately; they may be noticed a few hours or days later. Concussions are mild traumatic brain injuries. Repeated minor head injuries can have cumulative effects and it is dangerous to expose to the risk of a second injury while still recovering from the first one.