MUSCLE - the fascia of the scapula Adducts and retracts the...

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MUSCLE ORIGIN INSERTION ACTION Trapezius Dorsal surface of the neck and thorax Scapular spine Holds the scapula in place, to draw it dorsally and to move it cranially and caudally Latissimus dorsi Dorsal surface of the thorax by the thoracolumbar fascia Proximal end of the humerus deep to the triceps muscle Retractor of the arm Brachiocephalicus Base of the skull Proximal end of the humerus Protractor of the arm Deltoideus Spine of the scapula and the deep fascia that covers the deeper muscles of the scapula The humerus near the insertion of the brachiocephalicus Protracts the arm Triceps Lateral and medial heads from surface of humerus and long head from scapula The olecranon process of the ulna Extends the forearm Brachialis Humerus Ulna and radius Flexor of the forearm Pectoralis superficialis Sternum Along length of the humerus and onto the antebrachial fascia Adducts and retracts the forelimb Pectoralis profundus Sternum Proximal part of the humerus and on
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Unformatted text preview: the fascia of the scapula Adducts and retracts the forelimb Biceps brachii A tendon from the distal end of the scapula Radius and ulna Flexor of the forearm Masseter Zygomatic arch The lower jaw Right and left contracting together adduct (close) the jawacting separately they move the jaw from side to side allowing chewing External oblique The ribs and fascia overlying the back Become flattened and insert on the linea alba Support the viscera and compress them during respiration, defecation, and parturition Internal oblique The ribs and fascia overlying the back Become flattened and insert on the linea alba Support the viscera and compress them during respiration, defecation, and parturition Transverses abdominus The ribs and fascia overlying the back Become flattened and insert on the linea alba Support the viscera and compress them during respiration, defecation, and parturition...
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This note was uploaded on 04/03/2008 for the course BIOLOGY 102 taught by Professor Ta during the Fall '08 term at Rutgers.

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