Shoulder JointRotator CuffTendon InjuriesRuptureTendon TransferMusclesArthroscopyMuscle, SkeletalTendinopathyTendonsBrachial Plexus NeuropathiesRange of Motion, ArticularShoulderMuscle ProteinsMuscle, SmoothArthroplasty, ReplacementShoulder Impingement SyndromeShoulder DislocationParalysis, ObstetricShoulder PainMuscle Fibers, SkeletalMuscle, Smooth, VascularArthrographyMuscle DevelopmentMuscle ContractionHumerusMuscular DiseasesJoint InstabilityMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationBiomechanical PhenomenaMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesOculomotor MusclesOsteotomyMuscle, StriatedMuscle SpindlesMuscle RelaxationPhysical ExaminationRespiratory MusclesMuscle WeaknessPapillary Muscles