traveyard: Have you heard of the psoas muscle? It is pronounced s0-az. The P is silent. The psoas is one of the body’s most essential muscles because, along with only two other muscles, it connects the upper and lower body. And it is the only muscle connecting the legs to the spine at the front of the ...

Have you heard of the psoas muscle? It is pronounced s0-az. The P is silent. The psoas is one of the body’s most essential muscles because, along with only two other muscles, it connects the upper and lower body. And it is the only muscle connecting the legs to the spine at the front of the ...

Have you heard of the psoas muscle? It is pronounced s0-az. The P is silent. The psoas is one of the body’s most essential muscles because, along with only two other muscles, it connects the upper and lower body. And it is the only muscle connecting the legs to the spine at the front of the ...

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