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Nerves of the gluteal region and lower extremities
Innervations and origins of nerves in the gluteal region and lower extremities
8
Anatomy
Post-Graduate
12/10/2011
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Term

Superior Gluteal Nerve

 Definition

Supplies: Gluteus medius, Gluteus minimus, TFL


Originates: L4-S1
Term

Inferior Gluteal Nerve

 Definition

Innervates: Gluteus Maximus


Origin: Ventral Rami L5-S2
Term

 Pudendal Nerve

 Definition

Innervates: External genitalia, bladder sphincter and rectum


Origin: Ventral rami S2-S4
Term

Sciatic Nerve

 Definition

Give rise to: Tibial and common fibular nerves


Origin: Ventral rami L4-S3
Term

Nerve to Quadratus Femoris

 Definition

Innervates: Quadratus femoris, inferior gemellus 


Origin: L4-S1
Term

Nerve to obturator internus

 Definition

Innervates: Obturator internus, superior gemellus


Origin: Ventral rami L5-S1
Term

Tibial Division of Sciatic Nerve

 Definition

Innervates: Semimembranosus, semitendinosus, long head of biceps femoris and hamstring portion of adductor magnus.
Term

Common Fibular

 Definition

Innervates: Short head of biceps femoris.
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