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Iliocostalis cervicis

Other Terms: Musculus iliocostalis cervicis, Musculus iliocostalis colli, Muscle ilio-costal du cou

Muscle parts

None

Latin name

Musculus iliocostalis cervicis or colli

Latin muscle parts

None

Group

Epaxial muscle – Erector spinae – Iliocostalis

Etymology

The English name for this muscle is the muscle between the groin, or flank, and the ribs in the loin region. The word iliocostalis comes from the Latin words ilium meaning “groin, or flank,” and costa meaning “rib.” Cervicis comes from the Latin cervix for “neck.”

Origin

Superior margin of the angles of ribs 3 to 6 just medial to attachment of the iliocostalis thoracis

Insertion

Posterior tubercles of transverse processes of C4 to C6

Action

Extension of the vertebral column; assist with lateral flexion of vertebral column;; postural stabilization of vertebral column.

Nerve supply

Dorsal rami of cervical and thoracic spinal nerves (C4 to T6)

Blood supply

Muscular branches of the occipital artery from the external carotid artery. Dorsal branches of the posterior intercostal arteries from the thoracic aorta.

Latin

Musculus iliocostalis cervicis

Latin

Musculus iliocostalis colli

French

Muscle ilio-costal du cou

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