PSOAS Muscle

Psoas – The Most Vital Muscle In Our Body

Do I Have Psoas Pain?

Let’s find out - look at some of these common signs and symptoms to see if you may be getting pain developing in your Psoas.


  1. Altered breathing – there is a possibility if you have become more of an upper body breather, for example using your chest to breathe rather than your diaphragm it may be due to a poorly performing Psoas.
  2. Postural Dysfunction – if you have tightness in your mid-section it can cause the Psoas to pull tight and affect your posture. This may result in an increased anterior (forward) tilt of your pelvis or a hunched back and weakness within the hamstrings.
  3. Knee and lower back pain – because the Psoas connects the trunk to the femur, if you have any dysfunction from a weakness or shortening of these muscles, then it can have a direct effect on how the knees function and the lower back. It may not be the sole cause of your back pain, but it may be contributing to it.
  4. Leg Length Discrepancy – changes in your leg length may occur overtime if Psoas tightness causes a pelvic dysfunction. The Psoas may cause changes to the pelvis such as an anterior tilt and also cause internal rotation. It may just be a small difference, but if not addressed over time this can cause the femur to impact unevenly in the socket of your hip on one side, leading to leg length changes and even hip discomfort.
MSK Sports Injury Clinic
Laura Jones
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