The obturator nerve in human anatomy arises from the ventral divisions of the second, third, and fourth lumbar nerves in the lumbar plexus; the branch from the third is the largest, while that from the second is often very small.

Nov 3, 2023 · It is a mixed nerve which arises from the ventral (anterior) rami of the spinal nerves L2-L4. The function of the obturator nerve is to provide motor innervation to all the medial muscles of the thigh (hip adductors) except for the ischiocondylar (hamstring) part of the adductor magnus.

Oct 15, 2023 · The obturator nerve is a major peripheral nerve of the lower limb. In this article, we shall look at the anatomy of the obturator nerve – its anatomical course, functions and clinical correlations.

Provides sensory innervation to the medial upper thigh and provides articular branches to the hip and knee. The obturator nerve can become entrapped at the exit of the obturator canal or more distally by fascia, causing exercise-induced medial thigh pain, typically in athletes [1].

Your obturator nerve helps you flex your hip. It also enables rotating your leg away from your body. There are many situations that can affect your obturator nerve. These include sports injuries and complications of childbirth or medical procedures. Some people experience obturator neuropathy, which causes stubborn pain.

Feb 27, 2025 · The obturator nerve’s posterior branch. Provides innervation to the adductor longus, adductor brevis, adductor magnus, and obturator externus. The obturator nerve also sends articular branches to the knee and hip joints. Course. The obturator nerve is formed by the union of the anterior roots of spinal nerves L2, L3, and L4 close to the iliac ...

Jul 24, 2023 · The obturator nerve arises from the lumbar plexus and provides sensory and motor innervation to the thigh. This nerve provides motor innervation to the medial compartment of the thigh and as a result, is essential to the adduction of the thigh.

The obturator nerve enters the obturator foramen along the obturator canal with the obturator vessels lying anterosuperior to it. It is divided into anterior and posterior branches upon exiting from the obturator canal, first by the obturator externus and …

Oct 19, 2016 · obturator nerve comes from L2, L3, and L4; Course substance of psoas. the obturator decends through the substance of the psoas and exits medially near pelvic brim; behind common iliac vessels. passes behind common iliac vessels, lateral to the hypogastric vessels; anterior to obturator vessels

Apr 18, 2023 · The obturator nerve is a large nerve arising from the lumbar plexus and the nerve of the medial compartment of the thigh. It arises from the anterior divisions of L2-4 in the lumbar plexus. The nerve descends medial to psoas major to the obturator canal where it divides into anterior and posterior divisions.