Deep muscles of back and neck Flashcards

1
Q

Serratus posterior superior description and action?

A

Serrated edge of muscles. Elevate ribs during forced inhalation. Upper half of diamond shape.

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2
Q

Serratus posterior inferior action?

A

Depress ribs during exhalation. Lower half of diamond shape.

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3
Q

Quadratus lumborum O?

A

Posterior iliac crest.

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4
Q

Quadratus lumborum I?

A

TP’s L1-L4, 12th rib

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5
Q

Quadratus lumborum A?

A

Stabilizes 12th rib for exhalation, lat.flex of vertebral column

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