Posted by: ensomabodyworks | July 11, 2011

The Psoas – piriformis relationship – Key to Postural Integrity

Why are healthy psoas and piriformis muscles and their relationship to each other so important for good posture and pelvic stability? They have an antagonistic relationship across the SI joint, making their relationship the first to become imbalanced and the last to come back.  As a result the pelvis becomes imbalanced and the foundation of the house becomes tilted or twisted, throwing everything else out of whack.

Did you know they are the only muscles that connect the legs to the spine? (See picture).  These four muscles connect the legs to the pelvis and the legs to the spine; a kinetic alignment system if you may; a bridge between lower body and upper body.  The pelvis is the keystone of your foundation and the piriformis/psoas muscle pairs are guide wires that determine the keystones positioning in motion and stillness.

When I work with clients I start by checking which piriformis and psoas is shorter and release them.  Then I teach some good stretches for each muscle and (remember) to reboot hip flexion as described earlier with heel raises in a seated position.   You can also check which piriformis is weaker and do muscle spindle techniques to promote tone.  I would not recommend this for the psoas.

And be mindful that tight does not equate to strong.  Muscles can be locked long or locked short and either can be the weaker or stronger in a pair of muscles

If you do not know how to check for shortened and weakened muscles or do spindle techniques take my next workshop and I will show you how.  Or come in for a session yourself and get a private session muscle testing and evaluation mastery and spindle techniques.

In Summary you can begin to balance your client’s body by addressing the psoas / piriformis muscles and treating them appropriately to bring balance between the two sets of muscles, which results in greater pelvic stability and improving posture.

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