Hip flexors

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The iliacus and nearby muscles
Iliac colon, sigmoid or pelvic colon, and rectum seen from the front, after removal of pubic bones and bladder. (Ilio-psoas labeled at center right.)

In human anatomy, the hip flexors are a group of skeletal muscles that act to flex the femur onto the lumbo-pelvic complex, i.e., pull the knee upward.

The hip flexors are (in descending order of importance to the action of flexing the hip joint):[1]

Without the iliopsoas muscles, flexion in sitting position is not possible across the horizontal plane.[1]

[edit] Notes

  1. ^ a b Platzer (2004), p 246

[edit] References

  • Platzer, Werner (2004). Color Atlas of Human Anatomy, Vol 1: Locomotor system (5th ed.). Thieme. ISBN 3-13-533305-1.  (ISBN for the Americas 1-58890-159-9.)