Intermediate Back Flashcards by Collin Huth | Brainscape

Q

Levatores Costarum

A

Origin: Transverse processes of C7-T11

Insertion: Ribs (Inferior to origin)

Action: Raise ribs in inspiration

Nerve: Dorsal rami of thoracic spinal nerves

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Q

Serratus Posterior Superior

A

Origin: Spines of cervical and upper thoracic vertebrae

Insertion: Ribs

Action: Raise ribs in inspiration

Nerve: Intercostal nerves

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Q

Serratus Posterior Inferior

A

Origin: Spines of upper lumbar and lower thoracic vertebrae

Insertion: Ribs

Action: Lower ribs in expiration

Nerve: Intercostal nerves

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