Examining the Association Between Self-Reported Estimates of Function and Objective Measures of Gait and Physical Capacity in Lumbar Stenosis oleh Charles A. Odonkor, MD, Salam Taraben, MS, Christy Tomkins-Lane, PhD, Wei Zhang, PhD, Amir Muaremi, PhD, Heike Leutheuser, PhD, Ruopeng Sun, PhD, Matthew Smuck, MD