Illustration of sciatic nerve shows the L4-S3 spinal nerves, the sciatic notch, piriformis muscle, common fibular and tibial nerves. Description of sciatica and common causes of sciatica. #ciatica

Illustration of sciatic nerve shows the L4-S3 spinal nerves, the sciatic notch, piriformis muscle, common fibular and tibial nerves. Description of sciatica and common causes of sciatica. #ciatica

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