Quadratus Lumborum Action


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Darla Benfield of www.stayhealthyfitness.com shows exercise for the quadratus lumborum.

These videos are meant to help illustrate muscle actions. They are not meant to be used as instruction in exercise. Before beginning any exercise program see your physician and consult with a personal fitness trainer.

Techniques for working on the quadratus lumborum can be seen here.

Quadratus Lumborum

Quadratus Lumborum - anterior view


Iliac crest and iliolumbar ligament 


12th rib and transverse processes of L1 to L4 


Trunk extension when working bilaterally.
Lateral flexion of trunk (side bending) when working unilaterally.

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