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Quadratus Lumborum: Difference between revisions
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Latest revision as of 16:36, 6 April 2022
This article is a stub.
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| Quadratus Lumborum | |
|---|---|
| Muscle Type | |
| Origin | Posterior border of iliac crest |
| Insertion | Inferior border of 12th rib and L1-L5 |
| Action | Alone(unilateral), lateral flexion of vertebral column; Together (bilateral), depression of thoracic rib cage |
| Synergists | |
| Antagonists | |
| Spinal innervation | T12, L1, L2, L3, L4 |
| Peripheral Innervation | The twelfth thoracic and first through fourth ventral rami of lumbar nerves |
| Vasculature | Lumbar arteries, lumbar branch of iliolumbar artery |
