Muscles of the Shoulder GirdleChapter 3SubclaviusOrigin: Superior aspect of the first ribInsertion: Inferior surface of distal clavivleAction: Depression and stabilization of the claviclePectoralis MinorLocation: AnteriorOrigin: 3-5 ribsInsertion: coracoid processActions:abduction (retraction) of the scapuladownward rotation of the scapuladepression of the scapulaDownward RotationElevationElevationDepressionDepressionAbductionAbductionAdductionAdductionUpwardUpwardRotationRotationDownwardDownwardRotationRotationPectoralis MinorSerratus AnteriorLocation: LateralOrigin: Upper 9 ribsInsertion: anterior surface of medial borderActions:AbductionUpward rotationSerratus AnteriorUpward RotationSerratus AnteriorLevator ScapulaeOrigin: cervical vertebreaInsertion: Superior angleAction: Elevation of the scapulaLevator ScapulaeTrapeziusOrigin: [Occipital bone, ligamentum nuchae, spinous process of the C7 and all Thorasic vertebrae]Insertion: Lateral 1/3 of clavicle.Top of acromion process.Spine of the scapulaActions:Upper – elevation of the scapulaMiddle – elevation, adduction & upward rotation of the scapulaLower – depression, adduction and upward rotation of the scapulaPull of thelower fibersMovementof scapulaTextUpward RotationTrapeziusRhomboidsOrigin: Ligamentum nuchea and spinous process of C1-7 and 2-5 TInsertion: Medial border of the scapulaActions: Adduction of the scapulaDownward rotation of the scapulaElevation of the scapulaRhomboidsReviewName the muscle and its actionsPectoralis minorAbductionDownward rotationDepressionName the muscle and its actionsLower fibers of the trapeziusAdductionUpward rotationDepressionName the muscle and its action(s)Levator scapulaeElevation of the scapulaName the muscle and its action(s)Serratus anteriorAbductionUpward rotationName the muscle and its action(s)Upper fibers of trapeziusElevation of the scapulaName the muscle and its action(s)SubclaviusDepression of the clavicleName the muscle?Name the muscle and its action(s)RhomboidsAdduction of the scapulaDownward rotationElevationName the muscle and its action(s)Middle fibers of trapeziusElevation of the scapulaUpward
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