DefinitionFemoral nerve dysfunction is a loss of movement or sensation in the leg due to nerve damage.See also: Peripheral neuropathy; Mononeuropathy; Mononeuritis multiplexAlternative NamesNeuropathy - femoral nerve; Femoral neuropathyCauses, incidence, and risk factorsThe femoral nerve is located in the leg. It supplies the muscles that help straighten the leg. It provides feeling (sensation) to the front of the thigh and part of the lower leg.A nerve is made up of many fibers, called axons, surrounded by insulation, called the myelin sheath.Damage to a nerve such as the femoral nerve is called mononeuropathy. Mononeuropathy usually means there is a local cause of the nerve damage, although disorders that involve the entire body (systemic disorders) can also cause isolated nerve damage (