03 / Understand the area
Pain traveling into the leg
When pain travels down a leg, its route and any change in strength or sensation become important parts of the story.
An educational guide that covers the left and right sides alike. Where it hurts is a useful clue, but only a clue.
A useful starting point
What this area can tell you.
Sciatica is the name for a pattern that can happen when a nerve supplying the leg is irritated. Other sources can also send pain below the back, so we look at the whole symptom pattern and check for signs of an irritated nerve, not just where it hurts. How far the pain travels, and what's changed with walking, sitting or sleep, tell us a lot. If imaging comes up, the question that matters is how the result would change the plan. Pain that hangs on or gets worse may need a medical or specialist opinion alongside a talk about nonsurgical options.
Notice the pattern
Three questions to bring with you.
You don't need to know what it is before you come in. These are details that help when you tell us what you're feeling.
- How far does the pain go: buttock, thigh, calf or foot?
- Are numbness, a change in how you walk, or trouble lifting your foot new or getting worse?
- Which is limiting you more, the back pain or the leg pain, and how long has it been that way?
When to get help sooner
New bladder or bowel changes, numbness around the genitals or anus, or symptoms affecting both legs needs emergency assessment. New foot drop or progressive leg weakness needs urgent medical review.
Follow the connection
Possible explanations. Better questions.
These guides cover conditions and patterns that may overlap with this area. Think of them as a place to start our conversation: no body map can tell you which one, if any, you have.
Sciatica
Leg pain from an irritated nerve, what a scan can and can’t tell you, and when to get help.
Read the guide Condition guideDisc injury
Disc changes, symptoms and treatment choices, and why not every disc finding on a scan explains your pain.
Read the guide Condition guideBack pain
Common back-pain patterns, the warning signs, and what progress looks like in everyday life.
Read the guideWhat the studies found, and where they stop
How the research fits this area.
In selected patients with severe sciatica, surgery eased symptoms faster than prolonged conservative care, and outcomes were similar at one year. The trial didn't test chiropractic care, and some people in the conservative care group went on to need surgery.
How we select and explain sources ↗Follow the evidence
Research, with context.
Selected published sources behind what we've written, each with what it found and what it can't tell us. We give you both halves because no paper can diagnose you or predict how your own care will go.
Surgery versus prolonged conservative treatment for sciatica
283 patients with severe sciatica lasting 6 to 12 weeks, assigned early surgery or prolonged conservative care with surgery if needed.
What it foundEarly surgery provided faster relief and recovery, while one-year outcomes were similar.
What it can't tell usAbout 39% of those first assigned conservative care went on to have surgery. It wasn't a chiropractic trial, and it doesn't show that any treatment shrinks discs or guarantees avoiding surgery.
Publication details & citation
Peul et al. Surgery versus prolonged conservative treatment for sciatica. New England Journal of Medicine. 2007. DOI: 10.1056/NEJMoa064039.
Read the publication recordSystematic literature review of imaging features of spinal degeneration in asymptomatic populations
33 studies reporting imaging findings in 3,110 people without symptoms.
What it foundDegenerative findings were common in people without pain and became more frequent with age. A scan needs interpretation alongside symptoms and examination findings.
What it can't tell usThat doesn't make every disc finding harmless, or imaging never necessary. And a review like this can't identify what's causing one person's pain.
Publication details & citation
Brinjikji et al. Systematic literature review of imaging features of spinal degeneration in asymptomatic populations. American Journal of Neuroradiology. 2015. DOI: 10.3174/ajnr.A4173.
Read the publication record
Our editorial policy explains how to read these sources and what our clinical-review labels mean.
Your next step
Bring your questions.
We’ll start there.
Your answers to those three questions are where we start. We go over your history and symptoms, examine you, and explain what we found before we recommend anything. If it turns out to be something another doctor should look at, we'll tell you.
Anatomy: BodyParts3D, © DBCLS, CC BY 4.0. Model & rendering credits. Return to the full body explorer.