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The femoral nerve stretch test can identify spinal nerve root compression, which is associated with disc protrusion and femoral nerve injury. It can reliably identify spinal nerve root compression for L2, L3, and L4. [2]
Meralgia paresthetica or meralgia paraesthetica is pain or abnormal sensations in the outer thigh not caused by injury to the thigh, but by injury to a nerve which provides sensation to the lateral thigh. Meralgia paresthetica is a specific instance of nerve entrapment. [5] The nerve involved is the lateral femoral cutaneous nerve (LFCN).
Image of femoral nerve and its innervations of muscles . The femoral nerve is the largest nerve of the lumbar plexus. [3] It is located in the pelvis, and travels down at the front of the leg. [3] The nerve has several branches given its origin from the lumbar spine, down the pelvis and further into the lower spine. [3]
The timing/duration of symptoms may be continuous, intermittent, and/or positional. This is dependent on the underlying cause of entrapment and the specific nerves involved. For example, pain while sitting is associated with inferior cluneal nerve entrapment, pudendal nerve entrapment, and anococcyeal nerve entrapment. [11] [12] [13]
The femoral nerve is the major nerve supplying the anterior compartment of the thigh. It is the largest branch of the lumbar plexus, and arises from the dorsal divisions of the ventral rami of the second, third, and fourth lumbar nerves (L2, L3, and L4).
The sciatic nerve is the most commonly affected nerve, causing symptoms of sciatica. The femoral nerve can also be affected and cause the patient to experience a numb, tingling feeling throughout one or both legs and even feet or a burning feeling in the hips and legs. [ 22 ]
Neurogenic claudication (NC), also known as pseudoclaudication, is the most common symptom of lumbar spinal stenosis (LSS) and describes intermittent leg pain from impingement of the nerves emanating from the spinal cord.
For example, a nerve root impingement in the neck can produce pain and weakness in the forearm. Likewise, an impingement in the lower back or lumbar-sacral spine can be manifested with symptoms in the foot. The radicular pain that results from a radiculopathy should not be confused with referred pain, which is different both in mechanism and ...