Quadratus lumborum pain is a deep, one-sided ache in the lower back, just above the hip, that can spread into the flank, buttock or groin. It often flares when you cough, sneeze, roll over in bed or stand for a long time. The muscle involved, the QL, is rarely the whole story. In most people it tightens because something else, such as a stiff hip, a tilted pelvis or a rigid mid-back, is asking it to work too hard. This guide explains how to recognise QL pain, what you can do at home, and when it is worth having a clinician look at the cause.
TL;DR
- QL pain is typically felt beside the spine, above the pelvis, with a dull ache that can refer to the hip and buttock.
- Tightness in the QL is often a response to problems elsewhere, so stretching it alone rarely gives lasting relief.
- Staying active, graded exercise and short-term self-care are the first steps. NICE says manual therapy should only be offered alongside exercise.
- Numbness around the saddle area, loss of bladder or bowel control, leg weakness, or fever with back pain need urgent medical help.
- If the pain keeps returning, a proper assessment of your back, hips and movement is more useful than another round of rolling a ball into the muscle.
Table of Contents
- What the quadratus lumborum is and where it hurts
- Why the QL tightens in the first place
- Is stiffness in the QL linked to worse pain?
- QL or psoas? How they differ
- What you can do at home
- What the guidelines say about hands-on treatment
- Perspective: why we look beyond the muscle
- When to see a clinician
- How we assess QL-type pain at Elaris
- Book your first consultation
- FAQ
- Sources
What the quadratus lumborum is and where it hurts
The quadratus lumborum sits deep in the lower back on each side of the spine. It runs from the top of the pelvis up to the lowest rib and the lumbar vertebrae. Because it links the pelvis to the spine and ribcage, it helps you bend sideways, steadies the lower spine when you walk, and assists breathing by anchoring the bottom rib.
According to Medical News Today, QL pain usually shows up as a deep ache in the lower back, the flank or near the top of the pelvis. It can feel sharp and stabbing when the muscle contracts, for example when you cough, sneeze or roll over in bed. The pain can also spread to the hips, groin or buttocks, and many people become wary of moving at all. Sitting, standing or walking for long periods, and sudden movements, tend to make it worse.
A typical description from patients is: “It’s on one side, just above my belt line, and it catches when I get out of the car.” That pattern is useful, but it does not prove the QL is the source. Pain in this area can come from the joints of the spine, the sacroiliac joint, a disc, or a nerve root. This is why the label “QL pain” is best treated as a location, not a diagnosis.
Common signs people report
- A dull, nagging ache to one side of the lower spine.
- Pain referred into the hip, glute or groin on the same side.
- Discomfort that builds with prolonged sitting or standing.
- A sharp catch when you cough, sneeze, twist or turn over in bed.
- A tender, tight spot you can press just above the hip bone, on the side of the spine.
If you also have pain travelling below the knee, pins and needles or numbness, the picture may involve a nerve rather than just a muscle. Our article on lumbar radiculopathy symptoms explains the clues and when to seek emergency care.
Why the QL tightens in the first place
The QL is a stabiliser. When other parts of the body do not share the load, it takes on extra work and tightens to protect the spine. Clinicians describe it as a “victim” muscle: physioprescription notes that hip mobility deficits, pelvic tilts or a stiff thoracic spine can all make it overcompensate. If massage or ball-rolling only helps briefly and the tightness comes back, the real driver is probably elsewhere.
Hinge Health makes a similar point: the QL often tightens in response to imbalances around the hip flexors, such as the psoas, or limited movement in the mid-back, and simply stretching it is rarely a long-term fix.
Everyday contributors
- Long periods of sitting. A fixed posture shortens the hip flexors and asks the lower back muscles to hold you up for hours.
- Asymmetrical loading. Carrying a child on one hip, a heavy bag on one shoulder, or standing with your weight on one leg can overwork one QL.
- Weak deep core and glute muscles. When the glutes and trunk stabilisers do less, the QL does more.
- Sudden effort. Lifting while twisting, a gardening session after a quiet winter, or an awkward slip can strain the muscle.
- A stiff mid-back or hip. If those joints do not move well, the lower back is forced to make up the difference.
- Previous back or pelvic problems. An old injury can leave a pattern of guarding that outlasts the original problem.
Is stiffness in the QL linked to worse pain?
There is research suggesting it may be. A 2025 observational study of 76 patients measured QL stiffness with shear-wave elastography. It found that stiffer muscle was significantly associated with higher pain intensity, more central sensitisation and lower physical quality of life, and these measures together accounted for roughly 49% of the variance in severity indicators. That is an association, not proof that the stiff muscle causes the pain. It does support the idea that a tight QL deserves attention in people with persistent low back pain, as one piece of a wider picture.
QL or psoas? How they differ
People often ask about the difference. Both can cause deep pain around the lower back and hip, which is why they are confused.
| Quadratus lumborum | Psoas | |
|---|---|---|
| Position | Behind, beside the spine, from pelvis to lowest rib | Deeper, in front of the spine, running through the pelvis to the thigh |
| Main jobs | Side bending, spinal stability, assisting breathing | Bending the hip, lifting the leg |
| Typical pain | Side of the lower back, above the pelvis, referring to the hip and glute | Lower back, front of the hip or groin, often worse on standing up after sitting |
| Often tightens with | Asymmetry, long standing, weak glutes | Prolonged sitting |
They work as a team, and a tight psoas can drive QL overload. That is one reason a hands-on examination of the hip and pelvis matters as much as one of the back itself.
What you can do at home
Most low back pain eases without specialist treatment. The NHS back pain guidance advises staying active and continuing daily activities as far as you can. It also says anti-inflammatory medicine such as ibuprofen may help, though it is not suitable for everyone, and that a pharmacist or GP can advise which painkiller is right for you. NICE guideline NG59 likewise encourages people to keep as active as possible, since inactivity can stiffen the back and weaken muscles. Prolonged bed rest tends to make things worse.
Gentle stretches that people use for the QL
Stretches are the most searched part of this topic, and they can feel good. Use them as a way to ease tension, not as a cure, and stop if they bring on leg pain or pins and needles.
- Standing side bend. Stand tall, raise one arm overhead and lean gently away from the sore side. Hold for 20 to 30 seconds and repeat two or three times.
- Child’s pose with a side reach. Kneel, sit back on your heels, reach both arms forward, then walk your hands towards one side to open the opposite flank.
- Supine knee-to-chest rock. Lying on your back, hug one knee towards the chest and rock very slightly. This also eases the hip.
- Seated side reach. On a firm chair, place one hand on your head and lean sideways, keeping both sitting bones down.
Move slowly, breathe out as you reach and keep the stretch comfortable. A mild pull is fine; sharp pain is a signal to stop.
Trigger points and massage
Many people press into the tender spot above the hip, or lie on a ball. Some practitioners treat QL trigger points, and a 2025 trial paper on trigger point release for chronic low back pain is among the studies exploring it. Keep pressure moderate, use short sessions and avoid pressing directly on the spine. If relief fades within hours or days, treat that as information: the muscle is probably being driven by something else.
Some people add a recovery session with a salon treatment to relax tired muscles, such as heat and muscle stimulation therapy. It can feel relaxing, but it works best as a supplement to movement and strengthening, not a replacement.
Movement that builds support
Lasting change usually comes from strengthening what supports the QL. Think glute bridges, side planks (from the knees at first), bird-dog, and hip mobility work, built up gradually. A short, regular routine beats an occasional hard session. If you are not sure where to start, ask a clinician to tailor it to you, because the right exercise for a stiff hip is not the right one for a weak trunk.
What the guidelines say about hands-on treatment
Be wary of any promise that one technique fixes the QL. NICE guideline NG59 says that manual therapy, including spinal manipulation and massage, should only be considered for low back pain as part of a treatment package that includes exercise. It also says that risk-stratified assessment should guide whether you need simple self-management advice or a more intensive, integrated approach. A review on adherence to the NICE guidelines describes a biopsychosocial model that considers physical, psychological and social factors, and favours graded, individual exercise over relying on passive treatment alone.
In practice, that means a good assessment should look at how you move, not just where you hurt, and your plan should include things you do between appointments.
Perspective: why we look beyond the muscle
When someone arrives with a sore QL, we rarely start with the QL. We want to know why it has become the muscle that is doing all the work. Is the pelvis sitting unevenly? Is the hip on the same side stiff? Is the mid-back rigid after years at a desk? Is stress keeping everything braced? In our experience at Elaris, the answer is usually a combination, and that is why we assess structural, neurological and emotional factors together, using what we call the Elaris Method™.
A tight muscle is often protecting you from something. If we only chase the tightness, it tends to return. If we find and address the cause, the muscle can relax by itself. We also believe in measuring progress at every stage and explaining your plan clearly, so you know what we are doing and why. You will see the same two practitioners each visit, with time to ask questions.
— steve
When to see a clinician
Book an assessment if:
- the pain has lasted more than a few weeks, or keeps coming back in the same place;
- stretching and massage help for an hour and then wear off;
- pain is stopping you from sleeping, working, lifting children or exercising;
- you have pain that moves into the leg, or pins and needles;
- you are unsure whether the problem is muscle, joint or nerve.
Red flags: do not wait
Some symptoms with back pain need urgent medical attention. St George’s NHS guidance lists loss of bladder or bowel control, numbness around the saddle or genital area, sexual dysfunction, significant loss of power in the legs, or fever with back pain as signs that could point to an emergency such as cauda equina syndrome. If you have any of these, go to A&E or call 999. Do not book a routine appointment. For anything you are unsure about, call NHS 111 or speak to your GP.
Pain that follows a significant fall or accident, or that comes with unexplained weight loss, also needs a medical review before any hands-on treatment.
How we assess QL-type pain at Elaris
We are a chiropractic and wellbeing centre in Great Totham, Essex, run by Stephen and Jo Davison, who have more than 25 years of experience. Our approach to a one-sided lower back ache is straightforward:
- Listen first. We take a detailed history: when it started, what eases it, what your week looks like.
- Examine hands-on. We assess your spine, pelvis and hips, check how you move, and carry out neurological testing to rule out nerve involvement.
- Explain what we find. You get a clear picture of whether the QL is the main problem or a protective response.
- Give you a written plan. Treatment and exercise are laid out in writing, with milestones.
- Review and adjust. We track progress at each visit and change the plan if it is not working.
This fits with the guidance above: hands-on care combined with active, personalised rehabilitation. You can read more about how we approach low back pain, or about sciatica and leg pain if the pain travels. If the discomfort rises into your upper back, our page on neck and shoulder pain may be relevant. Other readers have found our guides on tailbone pain when sitting and dead butt syndrome useful, as weak or sore glutes often sit alongside QL overload. More are in our back pain and chronic pain articles.
Book your first consultation
If your QL pain keeps coming back, our first consultation and examination costs £105. It includes a hands-on examination, neurological testing and a clear explanation of what is driving your pain, so you leave knowing your next step. We see patients from Maldon, Tiptree, Great Totham and surrounding Essex villages. You can book your first consultation at Elaris, or read about our clinic in Maldon or Witham.
FAQ
What does quadratus lumborum pain feel like?
It is usually a deep, dull ache on one side of the lower back, above the pelvis, sometimes with sharp catches when you cough, twist or roll over. It can also spread to the hip, buttock or groin. Because other structures cause similar pain, an examination is the only reliable way to confirm the source.
How long does QL pain take to settle?
Many episodes of low back pain improve within weeks, and the NHS encourages staying active as the main self-help step. If yours is lasting longer, or keeps returning, it is a sign that an underlying cause such as hip stiffness or weak support muscles needs addressing. A clinician can give you a realistic outlook after examining you.
Should I stretch or massage a tight QL every day?
Gentle stretching is fine for most people and can ease tension, but stop if it causes leg symptoms or sharp pain. Repeated deep pressure on a sore muscle can irritate it further. If tightness returns each time, build strength and mobility around the hip, trunk and mid-back instead of stretching more.
Can a chiropractor help with QL pain?
A chiropractor can examine whether the QL is the cause or is reacting to a stiff joint elsewhere, and treat accordingly. Current NICE guidance says hands-on treatment should be combined with exercise, so look for a clinician who gives you a plan and measures progress. At Elaris, we do exactly that.
When is back pain an emergency?
Seek urgent help if you lose control of your bladder or bowel, have numbness around the saddle or genital area, notice significant leg weakness, or have a fever with back pain. Go to A&E or call 999. These can signal cauda equina syndrome, which needs immediate treatment.
Sources
- Medical News Today: Quadratus lumborum pain, symptoms and causes
- physioprescription: Quadratus lumborum pain
- Hinge Health: Quadratus lumborum pain
- Medicina 2025: QL stiffness and chronic low back pain severity
- Trial paper: trigger point release of the QL for chronic low back pain
- NHS: Back pain
- NICE NG59: Low back pain and sciatica in over 16s
- Physiopedia: Adherence to NICE guidelines for lower back pain
- St George’s NHS: Back pain advice