Weight LiftingAnabolic AgentsAthletesMethenoloneOxymetholoneDoping in SportsCompulsive BehaviorCompetitive BehaviorStanozololBody ImageSportsFactor Analysis, StatisticalAthletic InjuriesTrack and FieldAthletic PerformanceSports MedicineFemale Athlete Triad SyndromePhysical EnduranceRunningMartial ArtsBrain ConcussionBasketballPhysical Education and TrainingSoccerWrestlingBaseballFootballTennisCardiomegaly, Exercise-InducedVolleyballPerformance-Enhancing SubstancesBicyclingAmenorrheaRacquet SportsExerciseFractures, StressKnee InjuriesCumulative Trauma DisordersSkiingAnterior Cruciate LigamentSports EquipmentSprains and StrainsDeath, Sudden, CardiacEpitestosteronePhysical FitnessAsthma, Exercise-InducedAnkle InjuriesPhysical ExertionSkatingLeg InjuriesUniversitiesExercise TestSpondylolysis