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Back Extension

by National Exercise & Sports Trainers Assn. (NESTA)


This animation shows the proper technique for a popular strength training exercise.

About the Presenter

National Exercise & Sports Trainers Assn. (NESTA)

National Exercise & Sports Trainers Assn. (NESTA) IDEA Author/Presenter

Scott Gaines, MS, is senior vice president for NESTA and has been in the fitness industry for more than 15 years as a personal trainer, fitness manager, educator and martial arts instructor. Scott holds a bachelor's degree in biological sciences and a master's degree in human movement. His passion for new and innovative ways for teaching fundamental science led to the start of 3DBioMech, an animation company that specializes in 3D visuals for teaching biomechanics. Certifications: NASM, NESTA