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Anatomy > Extrinsic Deep Layer Of Back Muscles > Flashcards

Extrinsic Deep Layer Of Back Muscles Flashcards

1
Q

Serratus posterior: inferior

A

Origin: lower thoracic and upper lumbar SP
Insertion: lower ribs
Action: depresses ribs
Innervation: intercostal nerves T9-T12

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2
Q

Serratus posterior: superior

A

Origin: lower cervical and upper thoracic spinous process (sp)
Insertion: upper ribs
Action: elevates ribs
Innervation: intercostal nerves T1-T3

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Anatomy (12 decks)

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