Quadratus Lumborum – Iliolumbar division
Quadratus Lumborum – Iliolumbar division
☆quadratus lumborum iliolumbaris
MusclePro
Anatomy
- Origin
- From the medial portion of the iliac crest and adjacent iliolumbar ligament.
- Insertion
- Inserts onto the transverse processes of the lumbar vertebrae, running in the coronal plane from lateral to medial and posterior to anterior in the saggital plane.
- Nerve
- T12, L1
- Actions
- Laterally flexes vertebral column, fixes ribs for forced expiration.
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