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Spinalis cervicis

Other Terms: Musculus spinalis cervicis, Musculus spinalis colli, Muscle épineux du cou

Muscle parts

None

Latin name

Musculus spinalis cervicis

Latin muscle parts

None

Group

Epaxial muscle – Erector spinae – Spinalis

Etymology

The English name for this muscle is the muscle on the spines of the vertebrae in the thoracic region. Spinalis comes from the Latin 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

Lower part of ligamentum nuchae (C4 to C6) and spinous process of C7 to T2

Insertion

Sides of the spinous processes of C2 to C3

Action

Extension of the vertebral column.

Nerve supply

Dorsal rami of cervical and thoracic spinal nerves (C4 to T1)

Blood supply

Dorsal branches of the posterior intercostal arteries from the thoracic aorta.

Latin

Musculus spinalis cervicis

Latin

Musculus spinalis colli

French

Muscle épineux du cou

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