BaseballVolleyballTennisScapulaSuperficial Back MusclesShoulder JointElectric Power SuppliesShoulder Impingement SyndromeCumulative Trauma DisordersWireless TechnologyRacquet SportsArthrometry, ArticularElectric WiringShoulder PainComputer Communication NetworksCost AllocationAthletic InjuriesShoulderAthletesHip InjuriesElectromagnetic FieldsElectromagnetic PhenomenaRange of Motion, ArticularData CompressionArthroscopyRotator CuffBiomechanical PhenomenaAlgorithmsCosts and Cost AnalysisHealth Care CostsHospital CostsOccupational HealthPostureNeck PainElectromyographySoftwareMovementComputer SimulationRecovery of FunctionAnalysis of VarianceMuscle, SkeletalOccupational DiseasesTime FactorsReproducibility of ResultsComputational Biology