Who this general exercise guide is for
This guide is for adults with common, non-specific lower back pain, the kind that has no single obvious cause. The NHS service explains that back pain is extremely common, especially between the ages of 35 and 55, that most acute episodes settle within a few days to six weeks with simple treatment, and that some people have more persistent pain with good and bad days.
It does not cover back pain during pregnancy, after spinal surgery or fractures, or pain mainly in the leg from a trapped nerve. Mayo Clinic advises that anyone starting an exercise program because of ongoing back pain or after a back injury should talk to a physical therapist or another member of the healthcare team about which activities are safe. For leg pain, see sciatica stretches and lumbar radiculopathy.
Check warning signs before starting
Serious causes of back pain are rare, but the NHS service lists situations that need medical assessment before following an exercise program:
- back pain that started after significant trauma, such as a vehicle accident or a fall from a height
- feeling unwell with the pain, for example with fever, chills, unexplained weight loss or a recent bacterial infection
- a history of osteoporosis, cancer, HIV, drug misuse, an immunosuppressive condition or long-term steroid medicine
- pins and needles, numbness or weakness in the legs
- pain that keeps getting worse, is not relieved by lying down and keeps you awake at night despite 1 to 2 weeks of advice and exercise
Signs of cauda equina syndrome, such as numbness around the genitals or back passage, changes in bladder or bowel control or new sexual dysfunction, need emergency care straight away.
Why keeping active can help common back pain
Mayo Clinic notes that exercise often helps ease back pain and prevent further discomfort by stretching and strengthening the back and the muscles that support it. The NHS service warns against the vicious cycle of moving less because of pain, which weakens the muscles and makes them more vulnerable to further strain.
The NHS service also explains that it is not always possible to identify the cause of back pain, and that most cases are non-specific or mechanical. A painful back is not necessarily a damaged back, and gradual, regular movement helps muscles stay healthy.
Choose comfortable movement rather than a perfect posture
The NHS service suggests doing many exercises wherever you are most comfortable, including on your bed, and advises not staying in the same position for long periods, whether sitting, standing or lying. Changing position often is more helpful than searching for one perfect posture.
For sleep, it suggests using pillows for support: if you lie on your side, a pillow under your waist and between your knees; on your back, a pillow under your thighs; on your front, a pillow under your hips or stomach. You do not need to do all the exercises at once; building them into everyday activities can make them easier to keep up.
Knee-to-chest and gentle knee rolls: written technique
Mayo Clinic describes these stretches, done lying on your back with your knees bent and feet flat:
- Knee-to-chest stretch: using both hands, pull one knee toward your chest, tighten your belly muscles and press your spine to the floor. Hold for five seconds, return and repeat with the other leg, then with both legs together. Repeat each stretch 2 to 3 times.
- Lower back rotational stretch: keeping your shoulders on the floor, slowly roll your bent knees to one side, hold for 5 to 10 seconds, return and repeat on the other side, 2 to 3 times each.
Mayo Clinic suggests doing this routine in the morning and evening if possible. The NHS service describes similar knee rolls, keeping the knees together and only going as far as is comfortable without moving the shoulders.
Pelvic movement, bridge and cat stretch: written technique
- Lower back flexibility exercise (Mayo Clinic): lying on your back with knees bent, tighten your belly so your lower back lifts slightly from the floor and hold for five seconds; then flatten your back, pulling your belly button toward the floor, and hold for five seconds. Start with five a day and slowly build up.
- Bridge (Mayo Clinic): lying on your back with knees bent and head and shoulders relaxed, tighten your belly and buttocks and lift your hips to make a straight line from knees to shoulders. Hold for about three deep breaths and lower. Start with five a day and slowly build up.
- Cat stretch (Mayo Clinic): on hands and knees, slowly arch your back up as you lower your head, then slowly let your back and belly sag as you lift your head. Repeat 3 to 5 times, twice a day.
- Pelvic tilt (NHS service): lying on your back, draw in your belly button and gently tighten your buttocks, as if tucking a tail between your legs, so your lower back flattens toward the bed or floor.
Not every exercise suits every person. If one movement consistently increases pain, leave it out and try another.
Starting with a manageable amount
Mayo Clinic advises repeating each exercise just a few times at first and increasing the number as it gets easier. The NHS service gives two different approaches on the same page: for its introductory exercises, about 7 to 10 repetitions each, starting with fewer exercises if needed, 2 to 3 times a day; and for its structured program, choosing 3 or 4 challenging but manageable exercises and doing 3 to 5 sets of 5 repetitions every other day, resting 1 to 2 minutes between sets.
These are examples, not a fixed prescription. The right amount depends on how your back responds, and a physiotherapist can help adapt it.
Adjusting movement and reviewing the next-day response
The NHS service suggests rating your pain from 0 to 10 before exercising. It considers pain up to 4 out of 10 during exercise acceptable as long as it settles within 45 minutes and does not interfere with sleep or activities the next day. If pain goes beyond that, simplify the exercise by reducing the range or the number of repetitions, or choose an easier exercise. When an exercise becomes easy, you can increase repetitions, hold positions longer or move to a more challenging exercise.
This rule is a guide from one service, not a universal permission to push through pain. If exercises make your pain significantly worse, seek advice. The NHS service notes that it is normal for good improvement in pain, movement and strength to take 6 to 12 weeks.
For adults who want an exercise plan adapted to their back, our physiotherapy practice in Bilbao can assess movement and guide progression (consultations are in Spanish).
Where the sources differ
Mayo Clinic (July 2026) presents a set of seven exercises with specific repetitions, such as building from five to 30 bridges a day, and suggests a twice-daily routine. The NHS service page (undated) gives different dosing for different parts of its advice, from 7 to 10 repetitions two to three times a day to sets every other day. Neither source presents a single best exercise or a universal “big three”, and their figures should not be combined into one routine.
The NHS service adds a pain-monitoring rule and a detailed list of warning signs, while Mayo Clinic focuses on technique and on checking with a physical therapist when starting because of ongoing pain or after an injury. Both recommend starting gently and increasing gradually. The NHS service also mentions pain relief medicines or gels, heat or ice packs and relaxation as supports, discussing medicines with a pharmacist or doctor if you have other conditions.
In summary
For common lower back pain, keeping active and doing gentle, progressive exercises usually helps more than rest. Knee-to-chest stretches, knee rolls, pelvic tilts, bridges and the cat stretch are simple options to start with, beginning with a few repetitions and building up as they get easier. General activity, such as a brisk walk, also helps recovery.
Check warning signs before starting, adjust exercises that clearly increase pain and seek emergency care for bladder, bowel or genital numbness symptoms. A weekly record of the exercises you chose, how many you did and how your back felt during, after and the next day makes it easier to adjust the plan with a professional.
Frequently asked questions about lower back pain exercises
These answers are general information and do not replace an examination or individual medical advice.
Is there one best exercise for lower back pain?
No. Different exercises suit different people. Starting with a few gentle options and keeping those that feel manageable is more useful than searching for a single best exercise.
How should I start if I am worried about moving?
Start with a few repetitions of gentle exercises lying on your bed or the floor, go only as far as is comfortable and build up gradually. Moving less tends to weaken muscles and prolong pain.
Should I stop if symptoms worsen?
One NHS service accepts mild pain that settles within 45 minutes and does not affect sleep or the next day. If pain increases beyond that, simplify the exercise; if exercises make pain significantly worse, seek advice.
Are the Big Three suitable for everyone?
Neither source recommends a fixed set of three exercises. No single routine suits everyone, and exercises should be chosen and adapted to your response.
Can walking be part of the plan?
Yes. The NHS service notes that general exercise helps recovery and that even a brisk walk can help, alongside not staying in one position for too long.
Which symptoms mean I should seek care before exercising?
Pain after significant trauma, fever or weight loss, leg numbness or weakness, a history of cancer or osteoporosis, worsening night pain, and any bladder, bowel or genital numbness symptoms, which need emergency care.
Sources
This guide is for general information and does not replace medical advice. How a problem is diagnosed and treated depends on your examination and medical history. If you think you have an emergency, contact your local emergency services.