Lectures

Femoral Nerve

by Carlo Raj, MD
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    Here, we’ll take a look at femoral nerve, a motor deficit. And by this, we are referring to the iliopsoas and quadriceps weakness, down obviously in the leg. And so therefore, there’s inability to flex the hip or the knee. Femoral nerve, motor deficit. And we have what’s known as meralgia parasthetica. And with meralgia parasthetica, it’s a compression of lateral femoral cutaneous nerve of the thigh. And therefore, the patient now is complaining of lateral thigh numbness and burning. This is then called meralgia parasthetica. Please take a moment and identify femoral nerve in this schematic. Let’s take a look at what may happen when you have mononeuropathy of the common peroneal nerve. Let’s take a moment and identify the head of the fibula, common site of injury. And we’ll do the same things as we’ve been doing with all of the mononeuropathies and we’ll begin by looking at clinical features. This time, you’ll have foot drop and occasional leg, maybe perhaps the top of the foot in which there’s numbness. Risk factors: Diabetes, alcoholism, HIV. I'll run through this quickly because it is common risk factors for any type of mononeuropathy. However, now we have tight cast or splint placement and that will be more specific. And leg crossing and leaning is a common issue actually. Those individuals who cross their legs often may actually have common peroneal nerve mononeuropathy or injury. Physical exam: Patient unable to pull foot or toes up. So unable to properly what? Dorsiflex. With the common peroneal nerve, it is important that you’re able to localize exactly as to where the lesion is taking place. The last time you’ve done this before was your radial nerve, where there also localization is extremely important. So spend some time and make sure that you’re able...

    About the Lecture

    The lecture Femoral Nerve by Carlo Raj, MD is from the course Mononeuropathy. It contains the following chapters:

    • Femoral Nerve
    • Common Peroneal Nerve

    Included Quiz Questions

    1. Lateral Femoral cutaneous nerve
    2. Ulnar nerve
    3. Radial nerve
    4. Median nerve
    5. Common peroneal nerve
    1. Superficial peroneal nerve
    2. Deep peroneal nerve
    3. Common peroneal nerve
    4. Femoral nerve
    5. Lateral cutaneous femoral nerve

    Author of lecture Femoral Nerve

     Carlo Raj, MD

    Carlo Raj, MD


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