Deltoid MuscleShoulderStanozololMuscle, SkeletalShoulder JointArthroplastyLacerationsMusclesRotator CuffElectromyographyInjections, IntramuscularCadaverShoulder PainArmReflex, StretchMuscle ProteinsMuscle, SmoothMuscle ContractionMuscle Fibers, SkeletalMuscle, Smooth, VascularNerve TransferMuscle DevelopmentBrachial Plexus