
The quadratus lumborum (QL) is a large muscle located on the posterior (back) side of the trunk and abdominal wall. It is the deepest abdominal muscle and is used during a lot of different movements, such as sitting, standing, and walking. As a result, the QL is susceptible to pain and tightness. QL pain can be caused by overuse, stress, strain, or weakness. Luckily, there are many exercises and stretches that can help to relieve QL pain and tightness, such as rolling, the QL claw, and side bends.
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What You'll Learn

QL pain can be caused by overuse, stress, or strain
Quadratus Lumborum (QL) pain is often caused by overuse, stress, or strain. The QL is a large muscle located on the posterior (back) side of the trunk and abdominal wall. It is the deepest abdominal muscle and is involved in stabilising the spine and pelvis. It is used in everyday movements such as sitting, standing, and walking, and is therefore susceptible to pain formation.
Pain in the QL can be caused by overuse, such as lifting heavy objects improperly, repetitive movements, or sudden twisting motions. It can also be caused by occupational stresses such as prolonged sitting or standing, or continuous lifting activities. Constantly standing or sitting in the same position will reduce blood flow, which can pave the way for pain. Additionally, the QL can become strained or tight, and a forceful contraction triggered by a cough or sneeze can cause sudden, sharp pain in the lower back. This occurs because the muscle is already compromised, and the additional stress exacerbates the discomfort.
Poor posture and alignment can also cause QL pain. Slouching or improper sitting and standing postures over time can lead to muscle strain. Chronic poor posture can cause tension in the QL, requiring adjustments to overall posture and movement patterns.
To relieve QL pain caused by overuse, stress, or strain, there are several treatments available. Applying heat and ice can help reduce pain and inflammation. Painkillers or muscle relaxants may also be recommended by a doctor. Trigger point injections are another option, as well as dry needling, TENS, and ultrasound.
Stretching and strengthening exercises can also help to relieve QL pain. The QL Claw is a tool that can be placed at the low back to provide quick and intense pain relief. Rolling is another exercise that can help to stretch the QL and relieve pain.
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QL muscle guarding can be treated with stability exercises
The quadratus lumborum (QL) is a large muscle located on the posterior (back) side of the trunk and abdominal wall. It is responsible for a variety of movements, including side bending and rotation of the spine. Weakness in the QL can lead to lower back pain, poor posture, and even herniated discs.
The QL muscle can become injured through overuse or overstretching, causing it to go into a 'guarding' state. This can be treated with stability exercises, which help to activate the QL muscle and jump-start the healing process. Stability exercises can also help to increase the endurance of the QL muscle fibres, allowing you to perform activities with greater ease.
Stability exercises for the QL muscle include loaded unilateral exercises in a standing position, balancing on one foot. This challenges trunk and pelvic stability and helps to build strength and endurance. Another exercise is the seated quadratus lumborum stretch, where you position yourself at the edge of a seat and extend one leg out in front of you. You then stretch the quadratus lumborum by reaching your arm overhead and bending the trunk away from the side.
It is important to note that muscles of the body do not work in isolation, so strengthening the muscles that assist the QL is also beneficial. This includes the 'sling' muscles, which work together with the QL. Additionally, before returning to sports or other high-impact activities, it is important to add in some power-strengthening exercises to protect the QL and the back.
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Trigger points can cause pain in the lower back, pelvis, and hips
Trigger points are a sensitive area of muscle or connective tissue that hurts when stimulated or pressed. They are often described as small knots. Trigger points can cause directed or
Quadratus lumborum trigger points can cause pain in the lower back, pelvis, and hips. This pain can be deep in the lower back or a stabbing sensation in the hips or pelvis. It can also cause sharp pain when the QL shortens, for example, when coughing or sneezing.
The QL muscle is located on the back side of the trunk and abdominal wall, with a left and right side. It is a deep trunk muscle, found under the lats and paraspinals. The QL contracts to help stabilise the spine and flex the trunk to either side. The muscle is susceptible to pain formation due to overuse, weakness, and tension. Constantly standing in the same position will reduce blood flow and pave the way for pain.
To relieve QL muscle pain, it is important to focus on both mobility and stability. This can be achieved through gentle mobility exercises that move the QL muscle through its entire length without causing sharp pain or triggering back spasms. Stability exercises can also help promote reciprocal inhibition of the QL muscle, allowing for more pain-free movement.
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Rolling is a good exercise to stretch and relieve pain in the QL
The quadratus lumborum (QL) is a large muscle located on the posterior (back) side of the trunk and abdominal wall. It is the deepest muscle of the lumbar region, extending from the pelvis to the last rib. The QL is highly susceptible to pain formation due to its constant contraction during everyday activities like sitting, walking, and standing.
Rolling is an excellent exercise to stretch and relieve pain in the QL. It is a type of self-massage that can be easily incorporated into your routine to alleviate muscle tightness and tension. Foam rollers are readily available and can be used to perform rolling exercises that target the QL. Rolling exercises are beneficial for improving total-body function, decreasing injury risk, and enhancing core stability. They can also be used to assess areas of weakness in the body and improve mobility.
To perform a rolling exercise for the QL, start by lying down on your back with your knees and feet together, body upright, and arms crossed across your chest. Rotate your trunk to the right and left as far as possible, ensuring a normal range of motion of 30 degrees bilaterally. If you experience any pain or discomfort, stop the exercise immediately.
Additionally, you can try foam rolling specifically for your QL. Lie down on your left side with your left hip flexor resting on the foam roller and your right leg bent comfortably to the side. Resting on your forearms, slowly roll up and down and side to side on the foam roller, paying attention to trigger points. When you find a tender spot, hold your position and take a few deep breaths.
By incorporating rolling exercises into your routine, you can effectively stretch and relieve pain in your QL, promoting overall well-being and improved mobility.
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Consult a doctor if you think you're experiencing QL pain
If you think you're experiencing QL pain, it is important to consult a doctor, especially if the pain doesn't subside after two weeks of home treatment. A doctor will be able to properly diagnose and treat the condition, and with the proper treatment, most people with QL syndrome experience relief from their symptoms.
A doctor may recommend painkillers or muscle relaxants to help manage the pain. They might also suggest formal physical therapy or image-guided trigger point injections to reduce muscle spasms and pain. Injection options can include botox, stem-cell therapy, or platelet-rich plasma (PRP). Dry needling, a form of acupuncture, is another treatment option that is safe and effective for treating myofascial pain.
If you are experiencing symptoms consistent with QL syndrome, consider scheduling a hip consultation with a specialist. QL syndrome can cause pain in the lower back and hips, and it is important to address the issue early on to prevent the pain from spreading to other areas of the body.
While there are exercises and stretches that can help relieve QL pain, it is always a good idea to consult a doctor first to ensure you are receiving the best treatment for your specific condition.
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Frequently asked questions
The quadratus lumborum (QL) is a large, deep abdominal muscle located on the posterior (back) side of the trunk and abdominal wall. It functions as a breathing muscle and helps you stand upright and keep your core strong.
QL muscle pain is usually caused by overuse, stress, strain, or weakness and tension. It can also be caused by sitting for long periods, which reduces blood flow to the area.
There are several ways to treat QL muscle pain:
- Applying heat and ice to reduce pain and inflammation
- Taking painkillers or muscle relaxants
- Trigger point injections
- Stability and stretching exercises
- Yoga, Pilates, and tai chi









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