It supplies sensation to the front of the thigh and part of the lower leg. Femoral nerve dysfunction affects approximately 2 out of 10,000 people. Dysfunction of a single nerve group such as the femoral nerve is classed as mononeuropathy .
Entrapment involves pressure on the nerve where it passes through a narrow structure.
This damage slows or prevents conduction of impulses through the nerve. The femoral nerve can be injured as a result of pelvic fractures . It may be injured during procedures involving catheterization of the femoral artery. It can be damaged by pressure from lesions such as tumor, abscess , or internal bleeding into the pelvis or abdomen. In some cases, no detectable cause can be identified.