A Protruding Lower Belly and a Stiff Lower Back: What the Psoas Muscle May Have to Do With It

lower back stiffness after sitting
tightness in the front of the hip
pain that feels deep in the hip or groin
difficulty standing fully upright
discomfort when walking uphill or climbing stairs
a forward-tilted pelvis or arched lower back
relief after gentle hip flexor stretching

These signs are not a diagnosis. Lower back pain can come from muscles, joints, discs, nerves, kidneys, hips, or other causes. If pain is persistent, severe, or spreading down the leg, it should be checked.

Safe Ways to Help a Tight Psoas