By Deborah Westergaard, MD Board-Certified in Pain Medicine and Anesthesiology Regenexx-Affiliate Pain Experts Dallas–Plano Common Symptoms of Lower Back Pain It often starts quietly—a twinge after sitting too long, a flare-up after a workout, or stiffness that creeps in after a long flight. But for many high-performing professionals across Dallas, Plano, and the greater DFW area, those subtle signs escalate. Lower back pain may radiate down the leg, disrupt sleep, limit mob