I iHeart New member May 20, 2010 #1 My main problem is having a weak lower back. I tend to tilt my pelvis forward when I get tired so that my back winds up incredibly arched, and my spine naturally curves to the right slightly when I'm driving.
My main problem is having a weak lower back. I tend to tilt my pelvis forward when I get tired so that my back winds up incredibly arched, and my spine naturally curves to the right slightly when I'm driving.