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Muscles

Question:
origin, insertion, and action of:

pectoralis major
Answer:
origin: sternum; ribs 1-6; clavicle
insertion: humerus
action: flexes, adducts, and medially rotates arm
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Last update by perry on 11/05/2013
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Muscles
Muscles
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epicranious muscle zygomaticus muscle
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Question: origin, insertion, and action of:pectoralis major
Answer: origin: sternum; ribs 1-6; clavicle insertion: humerus action: flexes, adducts, and medially rotates arm