Gordon Asmundson, Ph.D., is a full professor of health studies and psychology at the University of Regina and a Canadian Institutes of Health Research Investigator. Arieh Lev Breslow, M.A., received his M.A. in history from the University of Wisconsin. He has studied taijiquan for over thirty-five years. He is the author of Beyond the Closed Door: Chinese Culture and the Creation of T’ai Chi Ch’uan. R. Nicholas Carleton, M.A., is a researcher and doctoral student working with Dr. Gordon Asmundson. Kenneth S. Cohen, M.A., M.S.Th., executive director of the Qigong Research & Practice Center, has studied qigong, taijiquan, and various other Chinese martial arts for forty-five years. He is the author of The Way of Qigong: The Art and Science of Chinese Energy Healing (Ballantine Books, 1997) Duane Crider, Ph.D., has been teaching taiji at the university level for seventeen years and is currently a professor of sport management at Kutztown University. He has published two books on martial arts instruction. Dr. Crider holds a doctoral degree in health education from Pennsylvania State University. Michael A. DeMarco, M.A., received his degree from Seton Hall University’s Asian Studies Department. In 1964 he began studies of Chinese-Indonesian kuntao-silat. Since 1973 he has focused on taijiquan: Yang style, Xiong Yanghe lineage; Chen style, Du Yuze lineage. He founded Via Media Publishing Company in 1991, producing the Journal of Asian Martial Arts and books. Dina Hayduk, D.Ed., M.Ed., is a health educator at Kutztown University. She earned both her M.Ed. in health education and her D.Ed. in adult education from Pennsylvania State University. Shane Kachur, B.M.R. (P.T), is a certified manipulative physical therapist and a graduate student working under Dr. Asmundson at the University of Regina. He has over twenty years of Chinese martial art experience and is a disciple of Master Nick Gracenin, studying both modern and traditional wushu, including taijiquan. C. J. Rhoads, D.Ed., M.Ed., has been studying taijiquan for twenty years. She holds several certifications to teach taijiquan and is a professional member of the National Qigong Association. Rhoads is one of the founding members of the Taijiquan Enthusiasts Organization. Rhoads is an associate professor in the College of Business at Kutztown University. She has a doctorate from Lehigh University.