Right-sided hip flexor tightness occurs because the pelvis tends to be more forward on the left, biasing the right side toward internal rotation relative to left external rotation, making the right side preferentially loaded and the right gluteus maximus underdeveloped and underactive relative to the left.

causalpending

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Unidentified Speaker — The Secret To Psoas Tightness On One Side (why is no one ta… [qP1lYsMNgbg]

Evidence Quote

the other reason is is that we can't effectively push out of our right side and we are pulling ourselves forward with our right hip flexors what I mean by that is because the pelvis tends to be more forward on the left the right side tends to be biased towards a position of internal rotation relative to left external rotation if that is the case we're more biased towards loading ourselves on the right side right now our right glute Max helps create external rotation of the femur and the hip closing off this space right here so that way we can push from right to left the right glue Max tends to be more underdeveloped and also under active relative to the left because of this

Source

The Secret To Psoas Tightness On One Side (why is no one talking about this?)Conor Harris
Created: 8/13/2026, 9:48:06 AM

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