The nerve descends through the psoas major muscle and travels between the psoas and iliacus muscles. It enters the thigh by passing deep to the inguinal ligament , positioned lateral to the femoral artery.

The anterior crural nerve is a , meaning it carries both motor (movement) and sensory (feeling) signals. Femoral Nerve: What Is It, Branches, Anatomy & Function

It arises from the posterior (dorsal) divisions of the ventral rami of the second, third, and fourth lumbar nerves ( L2-L4 ).

The is a formal, less commonly used medical term for the femoral nerve . It is the largest branch of the lumbar plexus and serves as the primary nerve for the anterior compartment of the thigh. 1. Anatomy and Origin

Approximately 2–4 cm below the inguinal ligament, it divides into anterior (superficial) and posterior (deep) bundles. 2. Functional Roles