RSM Blog

Rider's Seat Method

The Psoas Muscles

posture Jul 20, 2020

What are they and where are they located? 

The truth is...out of sight, out of mind.
The psoas (pronounced so-as) are the deep core muscles that link the upper and lower girdles of the body. They lie below the surface muscles of the body and are the ‘missing-link’ riders must learn to use in order to feel their horses’ movement and to follow the directions of their riding instructors. 
You cannot see the psoas and they do not appear on...

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