Muscle of the Month (September): Psoas

Posted on September 10th, 2006, by relax

The psoas in a powerful core muscle of the body.  This is a key muscle for many activities especially, those involving running. The tendons of the psoas major muscle and another muscle called the iliacus converge to a single insertion called the iliopsoas.  The iliopsoas is a strong flexor of the hip joint, and a powerful flexor of the lumbar vertebrae.  A weak psoas may contribute to low back pain. A healthy psoas provides a suspension bridge between the trunk and the legs.

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