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Interspinales cervicis

Other Terms: Interspinales cervicis, Interspinales cervicis set, Set of interspinales cervicis muscles, Musculi interspinales cervicis, Musculi interspinales colli, Muscle interépineux du cou

Muscle parts

None

Latin name

Musculi interspinales cervicis

Latin muscle parts

None

Group

Epaxial muscle – Interspinales

Etymology

The English name for this muscle is the muscle between the thorns or spines. The word interspinales comes from the Latin words inter meaning “between” and spina meaning “thorn.” This term was applied to pointed projections and in the 14th century was applied to the vertebral column with all its palpable spinous processes that form the dorsal line of the backbone. The word cervicis comes from the Latin cervix meaning “neck.”

Origin

Side of the apex of the spinous process of the first thoracic vertebra and cervical vertebrae seven to three

Insertion

Side of the apex of the spinous process of cervical vertebrae 7 to 2

Action

Possibly weakly assist with extension of the cervical vertebrae. They are most likely proprioceptive transducers that monitor the position and movements of the vertebral column and provide feedback that influences the activity of the larger multisegmental muscles of the vertebral column.

Nerve supply

Dorsal rami of cervical spinal nerves (C3 to C8)

Blood supply

The muscle receives a blood supply from muscular branches of the vertebral artery via the subclavian and also from muscular branches of the occipital artery via the external carotid artery.

Latin

Musculi interspinales cervicis

Latin

Musculi interspinales colli

French

Muscle interépineux du cou

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