ShoulderShoulder JointShoulder PainShoulder DislocationNeckHead and Neck NeoplasmsReflex, StretchNeck PainShoulder FracturesScapulaRotator CuffRange of Motion, ArticularBursitisArthroplasty, ReplacementJoint ProsthesisHumerusJoint DiseasesBiomechanical PhenomenaSyncope, VasovagalRotationJoint InstabilityPulmonary Stretch ReceptorsNeck InjuriesTendinopathyArthroscopyJoint CapsuleAcromioclavicular JointHumeral HeadPeriarthritisPain MeasurementFemoral Neck FracturesBaseballAcromionCumulative Trauma DisordersClavicleBrachial PlexusArmElectromyographyMovementMusculoskeletal DiseasesTreatment OutcomeManipulation, OrthopedicMuscle, SkeletalSyncopeTendon InjuriesMuscle SpindlesSuture AnchorsMechanoreceptorsWheelchairsPhysical Therapy ModalitiesElbow JointRuptureRecovery of FunctionMuscle Stretching ExercisesTime FactorsParalysis, ObstetricGlenoid CavityMuscle ContractionHemiplegiaDeltoid MuscleCarcinoma, Squamous CellPostureSupine PositionBrachial Plexus NeuritisTorqueBursa, SynovialDisability EvaluationUpper ExtremityArm InjuriesGravitationHeadInjections, Intra-ArticularFollow-Up StudiesElbowOrthopedic ProceduresPatient PositioningOccupational DiseasesTennisHuman EngineeringPelvisRetrospective StudiesGravity SensingProspective StudiesMechanotransduction, CellularOtolithic MembraneProsthesis DesignPainBirth InjuriesHead MovementsLiftingHemiarthroplastyExercise TherapyLigaments, ArticularIsometric ContractionMolecular Sequence DataProprioceptionPectoralis MusclesPhysical StimulationMuscle StrengthAthletic Injuries