<unk> es are injuries that occur to athletes in major<unk> ng events.  In many cases, these types of injuries are due to overuse of a part of the body when participating in a certain activity.  For example, runner's knee is a painful condition generally associated with running, while tennis elbow is a form of repetitive stress injury at the elbow, although it does not often occur with tennis players. Other types of injuries can be caused by a hard contact with something. This can often cause a broken bone or torn ligament or tendon
Injuries are a common occurrence in professional<unk>  and most teams have a staff of Athletic Trainers and close connections to the medical community.  Controversy has arisen at times when teams have made decisions that could threaten a players long-term health for short term gain.
Sports injury
Barotrauma
Occult fracture
Radiation injury
Moral hazard
Electrical injury
Physical trauma
Head injury