A nice explanation of sciatic pain and piriformes pain, with crisp pictures. For impingments and compressions of nerves, PEA can be quite important to consider.

Neurology Update

The terms lumbar radiculopathy and sciatica are used interchangeably to indicate radiating pain, numbness and weakness in a leg from a pinched nerve root in the back.

However, it is important to recognize that similar symptoms and signs can be caused by injury or compression of the sciatic nerve outside the spine, either in the buttock or thigh.

The sciatic nerve is the longest and widest nerve in the body, extending from the spine all the way to the foot, and contributes most of the nerve supply to the leg:
Sciatic-Nerve-Anatomy

Sciatic nerve injury presents with:

1. Numbness affecting the entire leg, aside from the front of the thigh.

2. Weakness of the hamstrings, and all movement at the ankle.

3. Absent ankle jerk.

http://www.youtube.com/watch?v=z2YrjAGChBw&feature=youtu.be&rel=0

Sciatic Nerve Injury in the Buttock:

The nerve can be injured by misplaced buttock injections, gunshot wounds and knife injury. Buttock injections should be…

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