Origin
Vertebral bodies of T12-L1 vertebrae and adjacent intervertebral disc
Insertion
Iliopectineal eminence and pectineal line
Actions
- Very weak flexion of the trunk
Innervation
- Anterior ramus of first lumbar nerve (L1)
Blood Supply
- Lumbar arteries
Would you like to learn more about the psoas minor muscle? Then check out the psoas minor muscle article and video by clicking the link below: Psoas Minor Muscle Anatomy
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