Cervical spinal nerve 1

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The cervical spinal nerve 1 (C1) is a spinal nerve of the cervical segment.^[1].

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

[edit] References

^ American Medical Association Nervous System -- Groups of Nerves

Nerves: spinal nerves (TA A14.2, GA 9.916)

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)

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)

L1, L2, L3, L4, L5

anterior (Lumbar plexus, Lumbosacral trunk) · posterior (Posterior branches of the lumbar nerves, Superior cluneal L1–L3)

S1, S2, S3, S4, S5

anterior (Sacral plexus) · posterior (Posterior branches of sacral nerves, Medial cluneal nerves)

anterior (Coccygeal plexus) · posterior (Posterior branch of coccygeal nerve)

anat(h/r/t/c/b/l/s/a)/phys(r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug(N1B)

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