Being An Athletic Trainer An Athletic Trainer does a variety of things from medical to social. One of an athletic trainers duties are advising athletes on proper use of equipment and exercise, If a player competes with the wrong equipment, or plays with an injury, that person is not only a dangerous to himself, he is a threat to other players. Another duty of an athletic trainer is to determine if players are fit to compete. Players who are hurt have the potential of not only hurting themselves, but other players as well. An added duty is to tape or wrap limbs and/or muscles. In some cases, taping may help the injury heal better as well as relieving pain f