Psoas Minor Muscle

**Semantic type:** Anatomical Structure

**Definition:** A long, thin striated muscle located in the iliac region anterior to the psoas major muscle that originates from the twelfth thoracic and first lumbar vertebrae, and inserts on the pectineal line and ileopubic eminence; it acts as a weak flexor of the trunk.

**Synonyms:** - MUSCLE, PSOAS MINOR - Musculus Psoas Minor - Psoas Parvus