Posts Tagged ‘lower back pain’

Muscle of the Month (December): Quadratus Lumborum

Posted on January 17th, 2007, by relax

The quadratus lumborum or the ‘QL’ for short, is an extensor of the lumbar vertebrae, bilaterally, and a lateral flexor unilaterally.  It functions in respiration by securing the 12th rib.  It is anchored to the pelvic bone and to each vertebrae of the lumbar spine, on both sides of the body.  When you move one hip up as in [...]

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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 [...]

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