Iliopsoas Hip Flexion

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Iliopsoas Hip Flexion


Iliopsoas Hip Flexion is its Action Described As:

  • Hip Flexion Femur to Trunk as in Climbing Stairs, Walking, and Running. Hip Flexion Trunk to Femur as in Forward  Bending.

SYNERGISTS: assist in performing the action of hip flexion

  • Tensor Fascia Latae
  • Pectineus
  • Sartorius
  • Adductor Longus
  • Adductor Brevis
  • Rectus Femoris

Fixators or Stabilizers:  These muscles maintain dynamic control to allow for flexion of the hip.

  • Rectus Abdominis
  • Obliques
  • Gluteus Medius
  • Gluteus Minimus
  • Quadratus Lumborum

Antagonists: Muscles that perform the opposite action to the agonist in this case Iliopsoas & Hip Flexion

  • Gluteus maximus
  • Biceps femoris (long head)
  • Semitendinosus
  • Semimembranosus
  • Adductor magnus (posterior head)

See the Hip Flexors in Motion Click Here  links

Thank you for Joining us at Get Massage Smart. A mission to spread the Benefits of Touch Therapy and Smart Massage Education.  Get Massage Smart offers the above anatomical information for its  educational value and dose not validate its accuracy. Please refer to the following texts and resources. 

References & Resources for the muscle anatomy information are:

Sieg and Adams: "Illustrated Essentials of Musculoskeletal Anatomy", 4th edition, 2002, Megabooks Inc,

Muscolino J E: The Muscular System Manual, The Skeletal Muscles of the Human Body, ed 3, 2009,

University of Michigan Medical School: Muscle Tables & Illustrations 

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