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Muscular Branches of Femoral Nerve
Nervous System

Muscular Branches of Femoral Nerve

Rami musculares nervi femoralis

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Quick Facts

Origin: Femoral nerve.

Course: Branches to iliacus arises proximal to the inguinal ligament, while those to pectineus arise distal to the inguinal ligament. Branches to muscles in the anterior compartment of the thigh arise from the superficial and deep divisions of the femoral nerve.

Branches: None.

Supply: Motor innervation to iliacus, pectineus, sartorius, and quadriceps muscles.

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Origin

The femoral nerve, a branch of the lumbar plexus, emerges from the lower lateral border of the psoas major muscle. It descends over the anterior surface of the iliacus muscle and underneath the inguinal ligament to enter the anterior compartment of the thigh. Along its course, it gives off branches to several muscles including iliacus, pectineus, and the muscles in the anterior thigh.

Course

The femoral nerve sends a motor branch to iliacus (L2-L3) before passing underneath the inguinal ligament. Upon entering the anterior compartment of the thigh, it gives a motor branch to pectineus muscle (L2-L3). The femoral nerve then separates into superficial and deep divisions by the lateral circumflex femoral artery. The superficial division provides motor innervation to the sartorius muscle (L2-L3), while the deep division gives off motor branches to the quadriceps muscles, including the rectus femoris, vastus intermedius, vastus medialis, and vastus lateralis muscles (L3-L4).

Branches

There are no named branches.

Supplied Structures

The muscular branches of the femoral nerve provide motor innervation to iliacus, pectineus, sartorius, and quadriceps muscles (vastus medialis, vastus intermedius, vastus lateralis, and rectus femoris).

List of Clinical Correlates

—Femoral nerve compression along the iliopsoas gutter

Learn more about this topic from other Elsevier products

Femoral Nerve

ScienceDirect image

The path of the femoral nerve in the groin is visualized with ultrasound and under ultrasound guidance, and a peripheral nerve introducer is advanced using an inferior-lateral to superior-medial approach toward the femoral head-neck junction using fluoroscopic guidance.

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