![]() In every day life, this muscle is responsible for bending to the side, rolling over in bed, dancing, or picking up objects from the floor. When these muscles contract bilaterally (both sides contract) the QL extends the lumbosacral spine to increase lumbar lordosis Unilaterally (single side activation) this muscle functions to elevate the pelvis, laterally flex the lumbar spine, and depress the 12th rib. The quadratus lumborum is considered as part of the core muscle group (abdominal wall) that is responsible for lumbar spine stabilization. This additional muscle belly will attach from the transverse processes of the lower 3-4 lumbar vertebrae to the 12th rib. There is anatomical variations in which the QL may attach to the transverse process of L5, and sometimes a second muscle belly may be noted in front of the main muscle belly. Specifically, the QL attaches from the posterior iliac crest and iliolumbar ligament to the inferior border of the 12th rib, transverse processes of L1-L4. The quadratus lumborum, or QL for short, is a relatively small muscles that attaches from the pelvis to the spine and rib cage. ![]() As an Amazon Associate, this site earns a commission from qualifying purchases.What is the anatomy of the quadratus lumborum? Affiliate programs and affiliations include, but are not limited to, the Amazon Associate Program. When you click on these links/ads and make a purchase, this can result in this site earning a commission. Learn how to turn them on/off by watching this video.ĪFFILIATE LINK DISCLAIMER: This site contains affiliate links and ads to purchase various products. Some videos even have dubs in other languages! Since they are all computer-generated, they may not be 100% accurate, but we hope they’ll give more people the opportunity to enjoy our content. SUBTITLES & DUBS: Our videos have subtitles for English and many other languages. By voluntarily using this content, you assume all risks for any resulting losses, injuries, or damages. Ask Doctor Jo, LLC makes no representations about the accuracy or suitability of this content for you. ![]() Before starting, consult your own healthcare provider for a proper diagnosis and to ensure this content and any featured products are safe and appropriate for your own medical and physical condition. It is general in nature and is not intended to be medical advice, nor does using it create a physical therapist-patient relationship with you. This website’s content is for informational purposes only. Hold the stretch for 30 seconds and then repeat three times.ĭISCLAIMER: Doctor Jo is a Physical Therapist and Doctor of Physical Therapy. Then roll your hips forward until you feel a stretch. ![]() Push up with your arms so your upper body is off the ground. Put your legs on top of each other in a perpendicular position to the floor. This time the side you want to stretch will be on the ground. Hold it for 30 seconds and repeat it three times.įor the last stretch, you want to roll over onto your side. Try to keep your hips on the floor and not rotate your back when you stretch. Then take the leg closest to the ground, and hook it over the other leg on the side you want to stretch to help pull your leg over and down. Prop your knees up, and then rotate your legs to the opposite you want to stretch. Hold this stretch for 30 seconds, and do it three times.įor the next stretch, you are going to lie down on your back. At the same time, take the arm of the side you want to stretch, and take it up and over your head to the other side. Take your arm of the opposite side you want to stretch, and place your hand underneath and push out and away. Here are some stretches for your QL.įor the first stretch, you are going to sit on the ground with your legs crossed or out in front of you at an angle. It can be hard to stretch since it is underneath larger muscles. The Quadratus Lumborum (QL) is a deep lower back muscle that sits over the kidneys.
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