It also extends straightens the knee via the quadriceps, which includes the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius muscles. In addition, the rectus femoris also helps stabilize the hip joint and assists in flexing the thigh.
The anterior femoral nerve's cutaneous skin branches and the saphenous nerve allow you to feel pressure, pain, temperature, and other sensations along the front and inner portions of your thigh.
The saphenous nerve also provides sensation to the inside of the lower leg and the foot. Femoral nerve dysfunction can occur when the nerve is compressed, entrapped, or damaged. These problems can be the result of numerous things, including:. Common symptoms of femoral nerve dysfunction are:. Diagnosis and treatment of femoral nerve dysfunction are important not only because it could be the result of an unknown illness or injury, but because it can hamper blood flow to the area where the nerve is compressed.
That can lead to tissue damage and further pain and disability. To evaluate these symptoms in your leg s , your healthcare provider will perform a comprehensive physical exam looking for:. They may also check muscles related to other nerves to determine whether only the problem is confined to the femoral nerve or more widespread. They may also order tests, including:. For many of those problems, the first step is treating the condition that's causing the nerve problem, such as:.
Other problems, such as inflammation from an injury, may go away on their own. If it's not possible to resolve the underlying issue, or if substantial damage has been done, pain management may be the best option. Nerve pain can be especially difficult to control, but you have several treatment options. Pain and weakness can lead to inactivity, which can cause your muscles to shrink and atrophy.
Physical therapy may help you regain lost function or prevent loss of function. In some cases, people have long-term disability due to losing some or all sensation. The resulting muscle weakness may lead to falls, which can cause injuries, especially in older people.
Another possible complication is the inability to notice injuries because of sensation loss, meaning the injuries aren't treated properly. That can lead to further damage or—in the case of cuts, scrapes, and burns—infection. If you start having symptoms of femoral nerve dysfunction, especially after an injury, be sure to get medical help.
Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. This muscle is the psoas major muscle. The external iliac vein is joined by the internal iliac vein to form the common iliac vein The right and left common iliac veins join in the midline to form the inferior vena cava.
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Case Rep Surg. Stanford Medical Hospital. Femoral popliteal bypass. Basinger H, Hogg, JP. Anatomy, abdomen and pelvis, femoral triangle. Updated July 26, Cleveland Clinic. Blood Vessels: Illustrations. Last reviewed April 30, University of California San Diego website. Femoral Artery. Kenhub GmbH website. Lew, Valerie. Kang, Michael. Anatomy, Abdomen, and Pelvis, Femoral Sheath. Menard M, Belkin M. Peripheral aneurysms. Comprehensive Vascular and Endovascular Surgery.
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