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