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16 Terms

1
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What is the origin of Pectoralis major?
Clavicle, sternum, upper six costal cartilages
2
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What is the insertion of Pectoralis major?
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Lateral lip of bicipital groove of humerus
3
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What is the innervation/nerve of Pectoralis major?
Medial and lateral pectoral nerve from the brachial plexus
4
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What actions does Pectoralis major do?
Adducts the shoulder and rotate it medially
5
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What is the origin of Pectoralis minor?
3rd 4th and 5th ribs
6
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What is the insertion of Pectoralis minor?
Coracoid process of the scapula
7
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What is the innervation/nerve of Pectoralis minor?
Medial pectoral nerve from the brachial plexus
8
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What actions does Pectoralis minor do?
Depresses point of shoulder; if the scapula is fixed

elevates the ribs of origin
9
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What is the origin of Subclavius?
1st costal cartilage
10
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What is the insertion of Subclavius?
Clavicle
11
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What is the innervation/nerve of Subclavius?
Nerve to subclavius from the upper trunk of the brachial plexus
12
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What actions does Subclavius do?
Depresses clavicle and steadies this bone while the shoulder girdle is moving
13
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What is the origin of Serratus anterior?
upper eight ribs
14
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What is the insertion of Serratus anterior?
Medial border and inferior angle of the scapula
15
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What is the innervation/nerve of the Serratus anterior?
Long thoracic nerve
16
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What actions does Serratus anterior do?
Draws forward anterior around the thoracic wall

upward rotation of the scapula