It Doesn’t Feel the Same for Everyone
In a previous article I explained what sciatica actually is — a symptom, irritation of the sciatic nerve, causing pain that travels down the leg. So in this one I want to talk about what sciatica feels like, because it doesn’t feel the same for everyone.
And by the end there’s one really important thing I want you to understand — a simple way to tell whether what you’re feeling is actually sciatica, or something else entirely. As always, this is a guide to help you understand what’s going on, not a diagnosis.
The Different Sensations
So what does sciatica feel like? It can be a lot of different things.
For some people, it’s a pain — a sharp, shooting pain that travels down the leg. For others, it’s more of a deep ache. Some people describe it as burning, or a hot, searing feeling running down the leg. Others get pins and needles — that tingling, prickling sensation. And some get numbness — patches of the leg that feel dull, or like they’ve gone to sleep. Some people get a weakness in the leg too, a feeling that it’s not quite as strong as it should be.
So it can be pain, burning, pins and needles, numbness, weakness — or a mix of several of those at once. It varies a lot from person to person, which is part of why sciatica can be so confusing.
The One Thing They All Have in Common
But here’s the thread that ties it all together. Wherever you feel it, and whatever it feels like, it travels.
It runs down the line of the nerve — from the lower back, into the buttock, down the back of the thigh, into the calf, and sometimes all the way to the foot. That travelling, running-down-the-leg quality is the signature of sciatica. It’s not usually a pain that sits in one spot; it’s a pain that follows a path down the leg. So if you’re trying to work out whether what you’ve got is sciatica, that travelling quality is the first thing to look for.
The Really Important Bit — Back of the Leg vs Front
Now here’s the part I really want you to take away. The sciatic nerve runs down the back of your leg. So sciatica is felt down the back of the leg — the buttock, the back of the thigh, the back of the calf.
So if your pain is running down the front of your leg, down the front of the thigh, that is very often not sciatica. Because that’s a different nerve — the femoral nerve. The femoral nerve runs down the front of the leg, and it can get irritated just like the sciatic nerve can. But it’s a completely different nerve, and it gives you pain in a completely different place.
So this is a really simple, useful thing to know. Back of the leg points towards the sciatic nerve — sciatica. Front of the leg points more towards the femoral nerve. It’s not a hard and fast rule, and there’s some overlap, but it’s a really handy first clue as to what’s going on.
Pay Attention to Where It Travels
So let me bring it together. Sciatica can feel like pain, burning, pins and needles, numbness, or weakness — but the signature is that it travels, running down the leg following the nerve. And crucially, it runs down the back of the leg. If you’re feeling it down the front, that’s likely a different nerve altogether — the femoral nerve.
So when you’re trying to make sense of your own symptoms, pay attention not just to what it feels like, but to where it travels. The sensation tells you it’s nerve pain. The location — back of the leg or front — starts to tell you which nerve. And that simple observation puts you a long way towards understanding what’s actually going on, which is the first step to getting on top of it.
Joe Sharp
BSc (Hons) Physiotherapy
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