Shoulder jointAbduction, adduction, flexion, extension, rotationMoves armposteriorTrapezius- posterior and lateral aspect of the humerus?Levator scapulae (raises the scapula)Innervated by cervical spinal nervesRhomboid musclePulls the scapula towards the vertebraeAnteriorPectoralis minor muscleInserting onto the corocoidDepresses and protractsInnervated by the medial pectoral nerveSerratur anterior muscleOrigin is anterior and goes posteriorlyInserts on the medial border of the scapulaPulls and keeps the scapula next to the rib cageLong thoracic nerve innervationMovement of the shoulder and armanteriorDeltoidSubscapularis muscleBicep brachi muscleShort heads of biceps innervated by musculocutaneous nerveCoracobrachilais muscleOrigin on corocoid process and inserts on the brachium (humerus)Pectoralis majorPosteriorLatissimus- convergent muscleDeltoid- arises from lateral aspect, acromion, and spine of scapulaSupraspinatus muscle- in the supraspinatus fossaInfraspinatus muscle- in the infraspinatus fossaBoth insert onto greater tubercleInnverated by suprascapular nerveTeres minorGreater tuberacleRotator cuffAxillary nerveTeres majorSubscapular nerveTricep brachi muscleInsertion onto olecranonRotator cuffSubscapularisSupra spinatusInfra spinatusTeres minorElbow jointFlexion and extensionmoves forearmwhite part- ligamentum lugi (tough connective tissuehelps hold the head upCh. 11 Appendicular Skeleton 11/02/2010 20:02:00Shoulder joint- Abduction, adduction, flexion, extension, rotation- Moves arm- posterioroTrapezius- posterior and lateral aspect of the humerus?oLevator scapulae (raises the scapula)Innervated by cervical spinal nervesoRhomboid musclePulls the scapula towards the vertebrae- AnterioroPectoralis minor muscleInserting onto the corocoidDepresses and protractsInnervated by the medial pectoral nerveoSerratur anterior muscleOrigin is anterior and goes posteriorlyInserts on the medial border of the scapulaPulls and keeps the scapula next to the rib cageLong thoracic nerve innervation- Movement of the shoulder and armoanteriorDeltoidSubscapularis muscleBicep brachi muscleShort heads of biceps innervated by musculocutaneous nerveCoracobrachilais muscleOrigin on corocoid process and inserts on the brachium (humerus)Pectoralis majoroPosteriorLatissimus- convergent muscleDeltoid- arises from lateral aspect, acromion, and spine of scapulaSupraspinatus muscle- in the supraspinatus fossaInfraspinatus muscle- in the infraspinatus fossaBoth insert onto greater tubercle Innverated by suprascapular nerveTeres minorGreater tuberacleRotator cufAxillary nerveTeres majorSubscapular nerveTricep brachi muscleInsertion onto olecranon- Rotator cufoSubscapularisoSupra spinatusoInfra spinatus oTeres minor← Elbow joint- Flexion and extension - moves forearm← white part- ligamentum lugi (tough connective tissue- helps hold the head up←11/02/2010 20:02:00←11/02/2010
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