psoas major muscle

pso·as ma·jor mus·cle

(sō'as mā'jŏr mŭs'ĕl) Groin muscle; origin, bodies of vertebrae and intervertebral discs from twelfth thoracic to fifth lumbar, and transverse processes of lumbar vertebrae; insertion, forms 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): greater psoas muscle, musculus psoas major.

psoas major muscle

Thigh muscle. Origin: bodies of vertebrae T12-L1. Insertion: lesser trochanter of femur. Nerve: lumbar L1-L3. Action: flexes thigh. See also: muscle

单词	psoas major muscle
释义	DictionarySeemuscle psoas major muscle pso·as ma·jor mus·cle (sō'as mā'jŏr mŭs'ĕl) Groin muscle; origin, bodies of vertebrae and intervertebral discs from twelfth thoracic to fifth lumbar, and transverse processes of lumbar vertebrae; insertion, forms 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): greater psoas muscle, musculus psoas major. psoas major muscle Thigh muscle. Origin: bodies of vertebrae T12-L1. Insertion: lesser trochanter of femur. Nerve: lumbar L1-L3. Action: flexes thigh. See also: muscle
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