FootballSoccerAthletic InjuriesHeadSports EquipmentBrain ConcussionAthletesHead and Neck NeoplasmsSports MedicineHead Protective DevicesSprains and StrainsHead Injuries, ClosedLeg InjuriesMouth ProtectorsHead MovementsAthletic PerformanceCraniocerebral TraumaWarm-Up ExerciseNeck InjuriesBrain Injury, ChronicSportsContusionsInjury Severity ScoreAnkle InjuriesFemur HeadAccelerationDoping in SportsBasketballHockeyPhysical Education and TrainingSperm HeadSpinal InjuriesUniversitiesKnee InjuriesTrauma Severity IndicesSweatingFemur Head NecrosisFloors and FloorcoveringsRacquet SportsProtective DevicesHeat ExhaustionDehydrationArm InjuriesFacial Injuries