Cervical spinal nerve 1

Cervical spinal nerve
The plan of the cervical and brachial plexuses
The spinal cord with spinal nerves
Details
Latin	Nervi spinalis
*Anatomical terminology* [edit on Wikidata]

The cervical spinal nerve 1 (C1) is a spinal nerve of the cervical segment.^[1] C1 is unique in that all other spinal nerves have both sensory and motor fibres, whereas C1 only carries motor fibres.

It originates from the spinal column from above the cervical vertebra 1 (C1).

Muscles innervated by this nerve are:

Geniohyoid muscle- through Hypoglossal nerve
Rectus capitis anterior muscle
Longus capitis muscle (partly)
Rectus capitis lateralis muscle
Splenius cervicis muscle (partly)
Rectus capitis posterior major muscle
levator scapulae muscle (partly)
Thyrohyoid muscle – through hypoglossal nerve
Omohyoid – through Ansa cervicalis
Sternohyoid – through Ansa cervicalis

References

↑ American Medical Association Nervous System -- Groups of Nerves

Spinal nerves

Cervical	C1 C2 C3 C4 C5 C6 C7 C8 anterior Cervical plexus Brachial plexus posterior Posterior branches of cervical nerves Suboccipital – C1 Greater occipital – C2 Third occipital – C3

Thoracic	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 anterior Intercostal Intercostobrachial – T2 Thoraco-abdominal nerves – T7–T11 Subcostal – T12 posterior Posterior branches of thoracic nerves

Lumbar	L1 L2 L3 L4 L5 anterior Lumbar plexus Lumbosacral trunk posterior Posterior branches of the lumbar nerves Superior cluneal L1–L3

Sacral	S1 S2 S3 S4 S5 anterior Sacral plexus posterior Posterior branches of sacral nerves Medial cluneal nerves

Coccygeal	anterior Coccygeal plexus posterior Posterior branch of coccygeal nerve

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