Quadratus lumborum: Origin, insertion, innervation,action - Kenhub
This article is about the anatomy and clinical importance of the quadratus lumborum muscle. It discusses its origin, attachments, innervations, functions, blood supply and causes for chronic pain in lower back due to overuse or strain. 展开
The quadratus lumborum muscle is a deep muscle of the posterior abdominal wall that attaches to the iliolumbar ligament, iliac crest and 12th rib. It runs craniomedially attaching to 1st-4th lumbar … 展开
The quadratus lumborum is in close proximity to many structures such as colon, kidneys and diaphragm. It's innervated by subcostal nerve (T12) and anterior rami of spinal nerves L1-L4. 展开
Overuse/strain caused by habits like sitting at desk using reclined seat or imbalances like unequal leg lengths can lead to chronic pain in lower back due to compensatory role played … 展开
The quadratus lumborum contributes to stabilization and movement of spine/pelvis through bilateral contraction leading to extension or lateral flexion when only activated on one side. … 展开
Anatomy, Abdomen and Pelvis, Quadratus Lumborum
2024年7月17日 · The quadratus lumborum is an integral part of the thoracolumbar fascia, a myofascial system that covers the posterior trunk and involves parts of the lower and upper limbs. The quadratus lumborum is flat …
Quadratus lumborum muscle - Wikipedia
The quadratus lumborum muscle, informally called the QL, is a paired muscle of the left and right posterior abdominal wall. It is the deepest abdominal muscle, and commonly referred to as a back muscle. Each muscle of the pair is an irregular quadrilateral in shape, hence the name.
The quadratus lumborum muscles originate from the wings of the ilium; their in…Wikipedia · CC-BY-SA 许可下的文字- 预计阅读时间：6 分钟
Quadratus Lumborum - Attachments - Actions - TeachMeAnatomy
2023年1月5日 · The quadratus lumborum is a muscle of the posterior abdominal wall. It is a thick muscular sheet, quadrilateral in shape, and positioned superficial to the psoas major. …
Quadratus Lumborum - Physiopedia
The Quadratus Lumborum (QL) is the deepest back muscle and originates from the iliac crest and inserts on the transverse process of lumbar one through five and the lower part of the twelfth rib. The QL muscle is flattened and has a …
Quadratus lumborum muscle - e-Anatomy - IMAIOS
Origin: Iliac crest and iliolumbar ligament. Insertion: Last rib and transverse processes of lumbar vertebrae. Artery: Lumbar arteries, Iliolumbar artery. Nerve: Anterior branches of T12, L1, L2, L3, L4. Action: Alone: lateral flexion of …
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Quadratus Lumborum Muscle | Complete Anatomy
Quick Facts. Origin: Posterior half of iliac crest and iliolumbar ligament. Insertion: Inferior border of twelfth rib, transverse processes of first to fourth lumbar vertebrae. Action: Extends and laterally flexes trunk; stabilizes twelfth rib …
Quadratus Lumborum Anatomy in 3D — ANATOMY LAB
The quadratus lumborum, a quadrilateral-shaped muscle, is fundamental in the human body, playing an essential role in the movement and stabilization of the lower back and pelvis. …
Anatomy, Abdomen and Pelvis, Quadratus Lumborum - PubMed
2024年7月17日 · The quadratus lumborum is a muscle in the posterior inferior trunk lateral to the spine (see <b>Image</b>. Abdominopelvic Muscles). This muscle attaches to the iliac crest, …
Quadratus lumborum: Anatomy, physiology and involvement in
2015年12月1日 · Quadratus lumborum (QL) is a central, square-shaped muscle belonging to the deep layer of the dorsolateral abdominal wall. The fibres of each QL run slightly diagonally …
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