Relacionar Columnas Muscle Actions Part OneVersión en línea muscles por Dr. David Myers 1 deltoid 2 biceps brachii 3 sternocleidomastoid 4 pectoralis major 5 levator scapulae 6 trapezius 7 triceps brachii 8 latissimus dorsi 9 flexor carpi radialis and ulnaris 10 rectus abdominis adducts and medially rotates humerus, extends the shoulder joint elevates scapula if cervical vertebrae are fixed., flexes neck laterally when scapula is fixed. flexes, adducts, and medially rotates humerus extends elbow flexes wrist anteriorly flexes waist and compresses abdominal viscera elbow flexion, forearm supination. rotates head left and right. bilaterally draws head forward and down. ant. fibers flex and medially rotate arm, lat. fibers abduct the arm, post. fibers extend and laterally rotate the arm extends and laterally flexes the neck.
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