Positive Health Online

G Gregory Haff PhD CSCS,*D FNSCA is a globally recognized Professor of Strength and Conditioning and the Course Coordinator for postgraduate studies in Exercise Science at Edith Cowan University in Perth, Australia and a past president of the National Strength and Conditioning Association – NSCA. He is widely considered one of the world's leading authorities on periodization, training theory, and sport science. Dr Haff has authored over 270 scientific papers and 9 books and has been the recipient of Notable Awards. He may be contacted via g.haff@ecu.edu.au 

Travis Triplett, PhD, CSCS,*D, FNSCA is Professor and Program Director in the Department of Kinesiology at Appalachian State University (North Carolina, US). Her Research Focus is Sports physiology, with a highly regarded history of consulting for NASA on resistance exercise countermeasures for microgravity. She has been Past president of the NSCA and former sports physiology research assistant at the US Olympic Training Center.  She may be contacted via triplttnt@appstate.edu

Together, they have edited the flagship textbook "Essentials of Strength Training and Conditioning". The 4th and 5th editions of this text serve as the core resource for students preparing for the NSCA's CSCS (Certified Strength and Conditioning Specialist) certification.