The sciatic nerve is the longest and widest nerve in the body.

坐骨神是人体最长最宽的神。

These two nerves are bond together by connective tissue and make up the sciatic nerve.

这两条神由结缔组织连接在一起，共同形成坐骨神。

The sciatic nerve innervates the muscles in the back of the thigh.

坐骨神大腿后部的肌肉。

Would you mind spending some time on my sciatic area?

你介意花点时间在我的坐骨神区吗？

You mean the, okay, by sciatic, you mean the towel-covered portion.

你的意思是，好吧，坐骨神痛，你的意思是巾覆盖的部分。

Sciatica occurs when there's irritation to any part of the sciatic nerve or the spinal nerves that form it.

坐骨神痛发生在坐骨神或其任何一部分受到刺激时。

Non-spinal causes occur outside of the spinal region and cause compression or damage to the sciatic nerve itself.

非脊柱性病因发生在脊髓区，对坐骨神本身造成压迫或损伤。

Sciatic pain caused by inflammation often resolves on its own over time.

由炎症引起的坐骨神痛，常在一定时间后自行减轻。

If the sciatic pain worsens when the legs are between 30 and 70 degrees, the test is positive.

如果腿抬高至30-70度间时，坐骨神痛加重，那么试验结果即为阳性。

When sitting, the fetal head presses down on the sciatic nerve, on the area just before it exits the pelvis.

当孕妇坐下时，胎头正好在坐骨神离开骨盆处压迫神。

Sometimes, there can be sciatic pain, which is a sharp pain going down the back and leg.

有时也会有坐骨神痛，是一种沿背部和腿部向下的剧烈疼痛。

So when they sit down, these objects put pressure on the gluteus muscles, which can compress the sciatic nerve, causing sciatica.

所以当他们坐下时，这些物体会对臀肌施加压力，这可导致坐骨神受压迫，引起坐骨神痛。

Since the pain is associated with injury or compression of the sciatic nerve, and follows the path of the sciatic nerve, it makes sense to name it sciatica.

由于疼痛与坐骨神损伤或压迫有关，并沿着坐骨神的路径，所以命名为坐骨神痛。

The sciatic nerve then passes beneath the piriformis muscle, and through the greater sciatic foramen, which is an opening formed by the pelvic bone, sacrospinous and sacrotuberous ligaments.

随后，坐骨神从下方过梨状肌，并穿过坐骨大孔；坐骨大孔是由骨盆、骶棘韧带和骶结节韧带共同围成的通道。

No, I can do that, yeah, because, you know, usually the muscles in the sciatic area can get, you know, real nice and tight.

不，我能做到，是的，因为，你知道，通常坐骨神区的肌肉会变得非常紧实。

It is caused by irritation or damage to the sciatic nerve and spinal nerve roots of sacral plexus, most commonly, as a result of disc herniation.

它是由于坐骨神或骶神丛的脊神根受到刺激或损伤引起的，最常见的病因是继发于椎间盘突出。

The piriformis muscle and sciatic nerve are very close to each other, so, if the piriformis muscle gets irritated, it can cause muscle inflammation or muscle spasms that can compress the sciatic nerve.

梨状肌和坐骨神非常接近，所以，如果梨状肌受到刺激，会导致肌肉炎症或痉挛，从而压迫坐骨神。