释义 |
DictionarySeepsoaspsoas major (muscle)
pso·as ma·jor (mus·cle) [TA] groin muscle; origin, bodies of vertebrae and intervertebral discs 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, primary flexor of hip joint; nerve supply, lumbar plexus (ventral rami of first, second and usually third lumbar spinal nerves). Synonym(s): musculus psoas major [TA], greater psoas muscle |