Characterized by aches, numbness, tingling, burning, or weakness, leg pain quite often is not caused by a problem in the leg or foot, but rather by a condition in the lower back. In fact, with many low back problems, there is actually little or no low back pain.
Compression or pressure on any of the nerve roots in the low back can cause pain, numbness, or weakness along the different nerves as they travel down through the leg and into the foot. Because the sciatic nerve is commonly affected, leg pain and related symptoms are often generally referred to as sciatica, although medical professionals prefer the term radiculopathy.
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