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Human Anatomy
Muscles (Pectoral Region)
16
Anatomy
Undergraduate 4
01/28/2008

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Cards

Term
Pectoralis Major: Origin
Definition
clavicle (anterior), sternum, ribs (1-6), aponeueosis of external oblique
Term
Pectoralis Major: Insertion
Definition
crest of greater tuberle of humerus (big bump, blue part)
Term
Pectoralis Major: Nerve
Definition
Lateral and Medial Pectoral Nerves
Term
Pectoralis Major: Action
Definition
Medial rotate arm, adducts arm, flexes arm, extends arm
Term
Pectoralis Minor: Origin
Definition
ribs 3-5 (costochondral junction)
Term
Pectoralis Minor: Insertion
Definition
coracoid process
Term
Pectoralis Minor: Nerve
Definition
medial pectoral
Term
Pectoralis Minor: Action
Definition
depresses scapula, elevates ribs (3-5)
Term
Subclavious: Origin
Definition
1st rib
Term
Subclavious: Insertion
Definition
Inferior acomial end of clavicle
Term
Subclavious: Nerve
Definition
subclavian
Term
Subclavious: Action
Definition
flexes clavicle, clevates first rib
Term
Servatus Anterior: Origin
Definition
ribs (1-8, sometimes 9)
Term
Servatus Anterior: Insertion
Definition
deep medial border of scapula
Term
Servatus Anterior: Nerve
Definition
long thoracic
Term
Servatus Anterior: Action
Definition
rotate and protracts scapula (pulls medial border forward), elevates ribs during respiration
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