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Muscular System (Body movement (supination, pronation, abduction,…
Muscular System
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Head Muscles
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orbicularis oris
muscle for puckering lips, closes lips
zygomaticus
involved with smiling , raises corner of the mouth
sternocleidomastoid
one side contraction: laterally flexes neck, rotates head to opposite side
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Trunk Muscles
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pectoralis major
flexes, adducts, and rotates the shoulder medially
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latissimus dorsi
extends,adducts, and medially rotates the shoulder
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