Most sciatic neuralgia, for example, is attributable to mechanical compression and stretching of a sensory root of the sciatic nerve from displacement of an intervertebral disc within the spinal canal.

• 如大多数的坐骨神经痛都是由于脊柱内椎间盘移位而机械性地压迫和拉紧坐骨神经感觉根所致。