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Segmental Innervation of The Lower Limb

Segmental Innervation of The Skin (Dermatomes) Dermatome is area of the skin that has supply by a single spinal nerve. The point of development of lower limb bud is on the venterolateral part of body wall that is opposite of L1-S3 sections of spine, afterwards these sections

Obturator Nerve

Obturator Nerve belongs to the adductor compartment of the thigh. The inside of psoas major from anterior sections of the ventral rami of L2 to L4 spinal nerves. The nerve goes down in psoas major and issues from its medial border at the ala of the sacrum.

Sympathetic Innervation of The Lower Limb

The (T10 to L2) i.e lower three Thoracic and upper two Lumbar sections of spinal cord act as the originating point of sympathetic distribution of nerves in lower limb. The point of origin of preganglionic fibres is from lateral horn cells through the ventral roots. After that

Sciatic Nerve

Sciatic Nerve is the thickest nerve in the body. At the beginning it is 1.5 to 2 cm wide. It is composed of 2 parts tibial and common peroneal nerves and its point of origin is in pelvis of ventral rami of L4 to S3 spinal nerves.

Cutaneous Nerves of the Front of the Thigh

The skin of the front of the thigh is supplied by seven cutaneous nerves derived directly, or indirectly, from the lumbar plexus. In addition, the skin over the upper lateral part of the thigh is supplied by the lateral cutaneous branch of the subcostal nerve. The ilioinguinal

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