ANAT 1625 Muscles of the Thorax

ANAT 1625 Muscles of the Thorax - Muscles of the Upper Limb...

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Muscles of the Upper Limb that are Dissected with the Thorax Muscle Origin Insertion Action Innervation Artery Notes pectoralis major medial 1/2 of the clavicle, manubrium & body of sternum, costal cartilages of ribs 2-6, sometimes from the rectus sheath of the upper abdominal wall crest of the greater tubercle of the humerus flexes and adducts the arm, medially rotates the arm medial and lateral pectoral nerves (C5- T1) pectoral branch of the thoracoacromial trunk the deep fascia on its anterior surface should not be fused to the fascia of the mammary gland - if it is, this is an important clinical sign indicating breast disease pectoralis minor ribs 3-5 coracoid process of the scapula draws the scapula forward, medialward, and downward medial pectoral nerve (C8, T1) pectoral branch of the thoracoacromial trunk branches of medial pectoral nerve usually pierce pectoralis minor to reach the pectoralis major muscle Muscles of the Thoracic Region - Listed Alphabetically Muscle Origin Insertion
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This note was uploaded on 11/22/2011 for the course ANAT 1625 taught by Professor Lescane during the Winter '11 term at Life Chiropractic College West.

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ANAT 1625 Muscles of the Thorax - Muscles of the Upper Limb...

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