Definition of "iliopsoas" [il•i•o•pso•as]

• A compound muscle composed of the iliac and psoas muscles (noun)

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• "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."