Musculus psoas major

musculus psoas major --> psoas major

(Science: anatomy, muscle) origin, bodies of vertebrae and intervertebral disks from the twelfth thoracic to the fifth lumbar, and transverse processes of the lumbar vertebrae; insertion, forms a common insertion with iliacus muscle into lesser trochanter of femur; action, flexes hip joint; nerve supply, lumbar plexus (ventral rami of first, second and usually third lumbar spinal nerves).

Synonym: musculus psoas major, greater psoas muscle.

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