Every gymnastic competition requires a set of medical tests to be done in order to prove that gymnasts are healthy and can compete. These tests help prove that athletes have no cardiovascular diseases and that their bodies are strong enough to let them perform the rigorous stunts that are in their routines. In the nature of the sport, mild injuries are expected, but when athletes start breaking bones at the end of a competition, the athlete and coach is put to blame. An athlete can be diagnosed with a sprain, but will be allowed to compete; chances are that during the competition the sprain will turn into something much worse, like a muscle tear, which can end careers in some cases. In other cases, a gymnast can be suffering from an eating