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Lower back pain?

Lower back pain? What about your psoas?

The psoas or iliopsoas muscles lay buried behind your abdominal muscles and you intenstines. This is probably the biggest reason why people don’t know the function of the psoas or even the existence of the psoas. The psoas is one of the most underestimated muscles in the whole body, but super important because they start at the beginning of your last rib and continuing down to the pelvis.
The primary action of the psoas is to flex the hips. A movement we do a lot in CrossFit and in our daily life. Running, walking, squatting… Just a few examples of movements were we have to use the psoas a lot!