Deltoid MuscleShoulderStanozololMuscle, SkeletalShoulder JointArthroplastyLacerationsElectromyographyArmInjections, IntramuscularShoulder PainCadaverMusclesRotator CuffNerve TransferBrachial PlexusAcromionMuscle ProteinsMuscle, SmoothMuscle ContractionAcromioclavicular JointSuture AnchorsMuscle Fibers, SkeletalMuscle, Smooth, VascularLigaments, ArticularMuscle Development