PXW exercise physiology candidate presents talk Feb. 26 Kristin Popp from the University of Minnesota will give a lecture, "Bone Health and Risk Factors for Stress Fracture in Distance Runners," from 3:30 to 4:30 p.m. Thursday, Feb. 26, in 172 Hyslop Sports Center. Popp is an exercise physiology candidate. -- Dennis Caine, Ph.D., Professor and Chair, Department of Physical Education, Exercise Science and Wellness, denniscaine@mail.und.nodak.edu, 777-4041