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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
