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An internal muscle arising from the lumbar vertebrae 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.

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Definitions

  1. n. An internal muscle arising from the lumbar vertebrae 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.
  2. n. either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
  3. An internal muscle arising from the lumbar vertebræ 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.
  4. An internal muscle arising from the lumbar vertebræ andinserted 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.
  5. n:100 n. either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh