A compound muscle composed of the iliac and psoas muscles(noun)
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Use "iliopsoas" in a sentence
"These include the positioning of the pelvis, the front hip flexors (known as the iliopsoas), the abdominals, and gently stretching and contracting the muscles of the lower back."
"It's a magic pose that targets many stretches at once: it unlocks tight hips, IT band, hamstrings, iliopsoas, quads, releases sciatica and lower back tension."
"The muscles on the front are the iliopsoas and the muscles on the back are the six outward rotators."