Sciatica describes pain that travels along the path of the sciatic nerve, from the lower back through the buttock and down the leg, and it usually results from irritation or compression of a nerve root in the lower spine. The good news is that most sciatica improves with time and the right exercises, and surgery is needed only in a small minority of cases.
This guide covers exercises commonly used to manage sciatica, when they help and when they do not, and the warning signs that mean you should see a clinician rather than exercise through it.
What sciatica actually is
Sciatica is a symptom, not a diagnosis in itself. The most common underlying cause is a disc bulge or herniation pressing on a nerve root, though it can also result from spinal stenosis, or occasionally from muscular compression of the nerve, sometimes described as piriformis syndrome.
Getting the cause right matters, because the exercises that help one cause can aggravate another. This is the main reason a generic exercise list found online sometimes makes things worse rather than better: it may be aimed at the wrong mechanism for your particular case.
Sciatica symptoms
Sciatica usually affects one leg. The typical symptoms are:
- Pain that runs from the lower back or buttock down the back or side of the leg, often below the knee
- A sharp, burning or electric quality to the pain, rather than a dull ache
- Pins and needles, tingling or numbness in the leg, foot or toes
- Weakness in the leg or foot in some cases
- Leg pain that is worse than the back pain, and that is aggravated by sitting, coughing or sneezing
Pain that stays in the lower back or buttock and does not travel below the knee is less likely to be true sciatica and more likely to be referred pain from the joints or muscles of the back. The distinction matters because the two are managed differently.
Sciatica or piriformis syndrome?
Piriformis syndrome is a condition in which the piriformis muscle, deep in the buttock, irritates the sciatic nerve as it passes beneath or through it. It produces buttock pain that can travel down the leg, which is why it is often confused with sciatica from the spine.
A few features point towards the piriformis: pain centred deep in the buttock rather than the back, pain that is worse when sitting on a hard surface or a wallet, tenderness when pressing on the buttock, and little or no back pain. Pain that worsens with coughing or sneezing, or comes with numbness in a clear strip of the leg or foot, points more towards a nerve root in the spine.
Piriformis syndrome is far less common than disc-related sciatica, and it is diagnosed mainly by ruling the spine out. The piriformis stretch below helps when the muscle is the source. It will not resolve a disc problem, which is another reason to be assessed if symptoms persist.
General principles before specific exercises
Movement is usually better than rest. Historically, bed rest was recommended for back pain and sciatica. Current evidence points the other way. Staying as active as symptoms allow tends to produce better outcomes than prolonged rest, and prolonged inactivity can slow recovery.
Centralisation is a good sign. If a movement makes the leg pain reduce while back pain increases, or the pain retreats up the leg toward the spine, that is generally considered a positive sign called centralisation. If a movement sends pain further down the leg or into the foot, that is generally an unfavourable sign, and worth stopping.
Some discomfort is not the same as harm. Nerve pain can be genuinely unpleasant, and some exercises are expected to provoke it briefly. The distinction that matters is between short-lived, tolerable discomfort during a movement that settles afterwards, versus pain that worsens progressively or leaves you worse than before you started.
Commonly used exercises
Knee to chest stretch
Lying on your back, gently draw one knee toward your chest, holding lightly for 20 to 30 seconds. This can help ease pressure on the lower spine. If it increases leg pain, stop and try something else.
Piriformis stretch
Lying on your back with knees bent, cross the affected ankle over the opposite knee and gently draw the uncrossed leg toward your chest. This targets the piriformis muscle, which sits close to the sciatic nerve and can contribute to symptoms in some presentations.
Nerve glides (sciatic nerve mobilisation)
A gentle technique involving controlled movement of the leg and ankle, intended to help the nerve move more freely within surrounding tissue rather than to stretch it forcefully. This is a more specific technique and is best learned from a physiotherapist first, since incorrect technique can aggravate symptoms.
Cat-cow (spinal mobility)
On hands and knees, gently alternating between arching and rounding the spine. Useful for general mobility, and often well tolerated.
Press-ups / prone extension
Lying face down and gently pressing the upper body up while keeping the hips on the floor. This is the classic exercise for centralising disc-related symptoms, but it is not right for everyone, and should be introduced carefully and stopped if it increases leg symptoms.
Walking
Often underrated. Regular, tolerable walking maintains movement and blood flow without loading the spine as heavily as sitting does, and many people find symptoms are worse after prolonged sitting than after a walk.
What to avoid, at least initially
- Prolonged sitting. Often the single biggest aggravator. Break up sitting regularly, even briefly.
- Heavy forward bending under load, such as lifting something heavy with a rounded back.
- High-impact activity during a flare, until symptoms settle.
- Pushing through sharply worsening pain. Discomfort that settles is different from pain that escalates.
Best sitting position for sciatica
There is no single correct posture, but some positions load the irritated nerve less than others.
- Sit with your hips level with or slightly higher than your knees, feet flat on the floor
- Use a small cushion or rolled towel in the curve of the lower back so you are not slumped
- Avoid low, soft sofas and crossing your legs, both of which tend to aggravate symptoms
- Take anything out of your back pockets
- Stand up and move for a minute or two every 20 to 30 minutes
The last point matters most. For sciatica, how long you sit usually matters more than how you sit.
How to sleep with sciatica
Night pain is common with sciatica, and a few adjustments help many people.
- On your side, lie with the painful leg uppermost and a pillow between your knees to keep the pelvis level
- On your back, place a pillow under your knees to take tension off the lower spine
- Avoid sleeping on your front, which tends to arch the lower back and twist the neck
- Choose a mattress that supports you without sagging; very soft mattresses are often less comfortable
- Get out of bed by rolling onto your side and pushing up with your arms, rather than sitting straight up
If pain regularly wakes you, or is worse at night than during the day without any change of position making a difference, mention this when you are assessed.
Why a generic exercise sheet sometimes fails
The exercises above are commonly used, but sciatica has more than one underlying mechanism, and what helps one person can aggravate another. A disc-related presentation and a stenosis-related presentation, for example, sometimes respond in opposite directions to the same movement.
This is why assessment matters more than the exercise list itself. A physiotherapist establishes which direction of movement centralises your symptoms, then builds a programme around that, rather than working through a standard sheet and hoping.
Sciatica in pregnancy
Leg and buttock pain is common in pregnancy, particularly in the second and third trimesters. True sciatica from a disc is possible but less common than pelvic girdle pain, which can produce very similar symptoms in the buttock and back of the thigh. The two are managed differently, so it is worth being assessed by a physiotherapist rather than assuming.
Gentle movement, side-lying with a pillow between the knees, avoiding long periods of sitting or standing, and a tailored exercise programme are the usual starting points. Some exercises in this guide, including lying flat on your back for long periods and prone press-ups, are not suitable later in pregnancy. Our guide to pelvic girdle pain in pregnancy covers the more common cause in detail. The emergency warning signs below apply in pregnancy exactly as they do at any other time.
When to seek medical attention
Seek emergency care immediately if you have:
- Numbness around the genitals, inner thighs or buttocks (saddle numbness)
- New difficulty controlling your bladder or bowels
- Severe or progressive weakness in one or both legs
These can indicate cauda equina syndrome, a rare but serious condition requiring emergency treatment to prevent permanent damage.
See your GP or a physiotherapist if:
- Pain has lasted more than a few weeks without improvement
- Pain is severe or worsening
- You have new weakness, numbness or tingling in the leg or foot
- Symptoms follow a significant injury
- You have unexplained weight loss alongside the pain
What a physiotherapy assessment adds
An assessment identifies which movements ease your specific presentation and which worsen it, tests for nerve involvement and its severity, and rules out signs that need onward referral. From there, a programme is built around what actually helps your case rather than a generic list.
Manual therapy, tailored exercise progression, and advice on activity and posture are typically combined, with the plan adjusted as symptoms change.
Sciatica treatment: what the options are
Most sciatica settles without injections or surgery. The main options are:
Physiotherapy for sciatica. Exercise-based care, guided by assessment, is the first-line treatment. It combines movements that ease your symptoms, gradual strengthening, manual therapy where useful, and advice on staying active.
Pain relief. Medication does not fix the cause but can make movement possible. Anti-inflammatory tablets suit some people and not others, so speak to a pharmacist or GP about what is appropriate for you. Heat or ice can help with comfort.
Acupuncture for sciatica. The evidence is mixed. Some trials report short-term pain relief, while national guidance does not currently recommend acupuncture as a routine treatment for sciatica. At Omnia Lifestyle it is available as an adjunct to exercise-based care for people who want to try it, not as a replacement for it.
Massage for sciatica. Massage and manual therapy can ease the muscle guarding that builds up around a painful back and buttock, which often makes movement easier. They do not take pressure off a nerve root, so they work best alongside exercise.
Injections and surgery. For severe or persistent sciatica, a GP or specialist may discuss a spinal injection or, in a small minority of cases, surgery. These are usually considered only after several weeks of conservative care, unless there are emergency signs.
Read more about physiotherapy and acupuncture at Omnia Lifestyle.
Frequently asked questions
How long does sciatica usually last?
Many episodes improve substantially within six weeks, though it varies considerably by cause and severity. Persistent symptoms beyond this warrant assessment.
Should I use heat or ice?
Either can help with comfort; personal preference and what works for you is a reasonable guide. Neither addresses the underlying cause.
Is walking good or bad for sciatica?
Generally good, within tolerance. Many people find walking eases symptoms compared with prolonged sitting.
Can sciatica come back?
Yes, particularly if the underlying contributing factors, such as prolonged sitting or lifting technique, are not addressed alongside symptom relief.
Do I need a scan?
Not usually, especially early on. Imaging is generally reserved for cases with red flag symptoms, that fail to improve with treatment, or where surgery is being considered.
Sciatica assessment and treatment in Chiswick
Sciatica and back pain are assessed and treated at Omnia Lifestyle in Chiswick, W4, close to Turnham Green station, on bus routes 94, E3 and 272. Limited parking is available on request when booking. Assessment identifies which direction of movement helps your specific presentation, so exercise is targeted rather than generic.
Read more about sciatica, explore physiotherapy, or book an assessment.
This article is general information, not medical advice. If you have any of the emergency warning signs listed above, seek immediate medical attention.
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