Essentials of Strength Training and Conditioning

About the NSCA

The National Strength and Conditioning Association (NSCA) is the world’s leading organization in the field of sport conditioning. Drawing on the resources and expertise of the most recognized professionals in strength training and conditioning, sport science, performance research, education, and sports medicine, the NSCA is the world’s trusted source of knowledge and training guidelines for coaches and athletes. The NSCA provides the crucial link between the lab and the field.

About the Editors

G. Gregory Haff, PhD, CSCS,*D, FNSCA, is a professor of strength and conditioning based in Australia. He has published more than 280 articles, centering his research on performance effects in the areas of strength-training methodologies, performance testing, training theory, and nutritional supplementation.

Haff is a past president of the National Strength and Conditioning Association (NSCA) and a senior associate editor for the Journal of Strength and Conditioning Research. In 2021 he received the NSCA Impact Award for his significant contributions to the strength and conditioning profession. Additionally, in 2014 he was the United Kingdom Strength and Conditioning Association (UKSCA) Strength and Conditioning Coach of the Year for Education and Research and the 2011 NSCA William J. Kraemer Outstanding Sport Scientist Award winner. He is a certified strength and conditioning specialist with distinction (CSCS,*D), a UKSCA-accredited strength and conditioning coach (ASCC), and an accredited Australian Strength and Conditioning Association level 2 strength and conditioning coach.

Additionally, Haff is a national-level weightlifting coach in the United States and Australia. He serves as a consultant for numerous sporting bodies, including teams in the Australian Football League, Australian Rugby Union, Australian Basketball Association, and National Football League.

N. Travis Triplett, PhD, CSCS,*D, FNSCA, is a professor and program director in the department of kinesiology at Appalachian State University in Boone, North Carolina. She is a past president of the National Strength and Conditioning Association (NSCA) and is the current vice chair of the board of directors for the NSCA’s Council on Accreditation of Strength and Conditioning Education (CASCE). She was the 2025 winner of the Boyd Epley Award for NSCA Lifetime Contributions as well as the 2010 NSCA William J. Kraemer Outstanding Sport Scientist Award winner. She has served on two panels for NASA, one of which was for developing resistance exercise countermeasures to microgravity environments for the International Space Station. She was a sports physiology research assistant at the U.S. Olympic Training Center in Colorado Springs, Colorado. Dr. Triplett is a certified strength and conditioning specialist with distinction (CSCS,*D) as well as a USA Weightlifting club coach.