from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Either of two muscles of the loin that rotate the hip joint and flex the spine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Either of two muscles, the psoas major and psoas minor involved in flexion of the trunk

from the GNU version of the Collaborative International Dictionary of English

  • n. An internal muscle arising from the lumbar vertebr├Ž and inserted into the femur. In man there are usually two on each side, and the larger one, or great psoas, forms a part of the iliopsoas.

from The Century Dictionary and Cyclopedia

  • n. A muscle of the loins and pelvis; the tenderloin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh


New Latin, from Greek psoa.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Williams said then that she had hurt her "psoas" or hip flexor muscle.

    Injured Venus Williams withdraws from Australian Open

  • She later said she injured her "psoas" muscle, which flexes the hip and spinal column.

    Yahoo! News: Business - Opinion

  • Williams said the injury was in her "psoas" muscle, which flexes the hip and spinal column.

    The Seattle Times

  • To make a long story short, you have tears in two muscles, the psoas and the quadratis lumborum.

    Zero Regrets

  • Having your legs bent under a desk all day shortens your hip flexors and psoas muscles, which attach to your pelvis and lower spine.

    To help kids maintain good posture, make it fun

  • To get the most amount of psoas stretch in this exercise it is crucial that you keep your elbow locked at all times.


  • Stretches for the psoas are hard to come by, so I invented this one.


  • When youre standing tall and upright, your psoas pronounced so as muscles are stretched and act somewhat like a rubber band to lift your leg when you walk in place.


  • When you bend over at the waist, your psoas is disengaged and you have to lift the weight of your leg with your quadriceps, which is more work.


  • Unfortunately, psoas major exhibits very little marbling even in prime animals.

    quote out of context | clusterflock


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