Sacral spinal nerve 1

Sacral spinal nerve 1

The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment. [ [http://www.ama-assn.org/ama/pub/category/7173.html American Medical Association] Nervous System -- Groups of Nerves] .

It originates from the spinal column from below the 1st body of the sacrum

Muscles

S1 supplies many muscles, either directly or through nerves originating from S1. They are not innervated with S1 as single origin, but partly by S1 and partly by other spinal nerves. The muscles are:
* gluteus maximus muscle
* gluteus medius muscle
* gluteus minimus muscle
* tensor fasciae latae
* piriformis
* obturator internus muscle
* inferior gemellus
* superior gemellus
* quadratus femoris
* semitendinosus
* gastrocnemius
* flexor hallucis longus
* abductor digiti minimi
* quadratus plantae

References


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Sacral spinal nerve 4 — The sacral spinal nerve 4 (S4) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 4th… …   Wikipedia

  • Sacral spinal nerve 3 — The sacral spinal nerve 3 (S3) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 3rd… …   Wikipedia

  • Sacral spinal nerve 2 — The sacral spinal nerve 2 (S2) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 2nd… …   Wikipedia

  • Sacral spinal nerve 5 — The sacral spinal nerve 5 (S5) is a spinal nerve of the sacral segment. [ [http://www.ama assn.org/ama/pub/category/7173.html American Medical Association] Nervous System Groups of Nerves] .It originates from the spinal column from below the 5th… …   Wikipedia

  • Spinal nerve — Nerve: Spinal nerve The formation of the spinal nerve from the dorsal and ventral roots Scheme showin …   Wikipedia

  • Spinal nerve — One of the nerves that originates in the spinal cord. There are 31 pairs of spinal nerves. They consist of the 8 cervical nerves, 12 thoracic nerves, 5 lumbar nerves, 5 sacral nerves, and 1 coccygeal nerve. * * * spinal nerve n any of the paired… …   Medical dictionary

  • spinal nerve — Anat. any of a series of paired nerves that originate in the nerve roots of the spinal cord and emerge from the vertebrae on both sides of the spinal column, each branching out to innervate a specific region of the neck, trunk, or limbs. [1785… …   Universalium

  • Cervical spinal nerve 8 — The cervical spinal nerve 8 (C8) is a spinal nerve of the cervical segment.[1] It originates from the spinal column from below the cervical vertebra 7 (C7). Contents 1 Innervation 1.1 Sensory 1.2 Motor …   Wikipedia

  • Cervical spinal nerve 1 — 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 …   Wikipedia

  • Cervical spinal nerve 4 — The cervical spinal nerve 4 (C4) is a spinal nerve of the cervical segment.[1]. It originates from the spinal column from above the cervical vertebra 4 (C4). Its control of the thoracic diaphragm has inspired a medical mnemonic: Cut C4, breathe… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”