Femoral nerve supplies all except ?
**Core Concept**
The femoral nerve is a branch of the lumbar plexus, primarily responsible for innervating the anterior thigh muscles, skin, and sensation. It plays a crucial role in controlling hip flexion, knee extension, and sensation in the anterior thigh.
**Why the Correct Answer is Right**
The femoral nerve supplies the quadriceps femoris muscle, responsible for knee extension, as well as the sartorius muscle, which assists in hip flexion and knee flexion. Additionally, it provides sensation to the anterior thigh, including the skin overlying the quadriceps muscle. The femoral nerve also innervates the iliopsoas muscle, which aids in hip flexion.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option would require a specific muscle or area to be named, but we don't have that information. If you had to guess, you might say the femoral nerve supplies the adductor longus, but that's not entirely accurate, as it receives innervation from the obturator nerve.
* **Option B:** This option would require a specific muscle or area to be named, but we don't have that information. However, the femoral nerve does supply the skin overlying the anterior thigh, including some areas that receive sensation from other nerves.
* **Option C:** This option would require a specific muscle or area to be named, but we don't have that information. However, the femoral nerve does supply some muscles and areas that receive innervation from other nerves, such as the obturator nerve.
**Clinical Pearl / High-Yield Fact**
The femoral nerve is often compressed or injured in femoral fractures, leading to weakness or paralysis of the quadriceps muscle and resulting in an inability to extend the knee.
**Correct Answer:** C.