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Muscles That Move The Pectoral Girdle (1)

Anterior thoracic muscles
Muscles That Move The Pectoral Girdle (1)_a0057586_921408.jpg

・Subclavius
O・・・1st rib
I・・・Clavicle
A・・・Depresses and moves clavicle anteriorly and helps stabilize pectoral girdle
N・・・Subclavian nerve

・Pectralis minor
O・・・2nd through 5th, 3rd through 5th, or 2nd through 4th ribs
I・・・Coracoid process of scapula
A・・・Abducts scapula and rotates it downward
N・・・Medial pectoral nerve

Muscles That Move The Pectoral Girdle (1)_a0057586_9452898.jpg

・Serratus anterior
O・・・Superior 8 or 9 ribs (1~9 rib)
I・・・Vertebral (medial) border and inferior angle of scapula
A・・・Abducts scapula and rotates it upward
N・・・Long thoracic nerve
by go-pokes | 2005-11-03 09:46 | Muscles
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