THE MOST FREQUENT ENTRAPMENT SYNDROMES OF THE LOWER EXTREMITY

The peroneal nerve (or external popliteal sciatic nerve) passes into the external side of the knee where it superficialises and is contiguous to the fibular neck, long bone external to the leg, and is easily subject to compression.

A lesion of the peroneal nerve can cause altered sensitivities, paresthesias (pins and needles) or pain in the lateral part of the leg, difficulty or inability to lift, dorsal flexion, the foot and toes, so the foot tends to fall down, FOOT DROP.

The appearance of ganglion cysts can be other causes of paralysis, surgical treatment must provide for the closure of the joint branch to avoid recurrence.

The differential diagnosis of the foot drop must be made with other pathological situations that do not fall within the canalicular syndrome as is excellently explained in the video of Dr. Ebraheim.