Archive for January, 2007

Muscle of the Month (January 2007): Iliocostalis

Posted on January 17th, 2007, by relax

The Iliocostalis, oriented vertically on either side of the spine, are muscles within the group of muscles in the back referred to as the erector spinae.  The erector spinae assist in the motion of extending the trunk.  The Iliocostalis muscles have at least one end attached to a rib and the other end attached to either [...]

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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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