So many of us have felt it: a twinge in the lower back and then pain that travels down the back of your leg to your calf. It’s numb. It’s weak. There’s tingling. It can hurt to sit down. If you’ve felt this, it may be sciatica brought on by irritation of the nerve roots in the lumbar spine that make up the sciatic nerve.

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Topics: sciatica, sciatic nerve, sciatica treatment