
KRATOS Guides
Learn how to use the Kratos Quest products in your training.
Training Applications
At Kratos Fly Fitness, we take pride in offering training plans that have earned the approval of renowned innovators in the health and fitness industry. While they are not directly affiliated with Kratos Fly Fitness, their expertise and support are invaluable in shaping the quality of our plans. We believe in guiding you towards your fitness goals with the wisdom of these key figures. Explore our expert-approved plans today!

JAY Dicharry
Jay is a physical therapist, teacher, biomechanics researcher, + author in Bend, Oregon, USA.
Jay built his international reputation as an expert in biomechanical analysis as Director of the SPEED Clinic at the University of Virginia, and as Director of an independent lab in Oregon.
Jay blurs the lines between clinical practice, coaching, and engineering to solve injury problems and optimize performance. Jay literally wrote the book on running gait assessments: he is author of “Running Rewired” and "Anatomy for Runners", writes columns for numerous magazines, and has published over thirty-five professional journal articles and book chapters.
Jay has had an active research career, and consults and teaches for numerous footwear companies, the cycling industry, the US Air Force, USA Track and Field, and USA Triathlon. His research work led him to a patented design to improve foot and lower leg function through his start-up company, MOBO.
Having taught in the Sports Medicine program at UVA and OSU-Cascades, he brings a strong bias towards patient education, and continues to teach nationally to elevate the standard of care for Therapists, Physicians, Students, and Coaches working with endurance athletes. His expertise in injury prevention, rehab, and performance training is sought out by athletes across the world, and his athlete’s results speak for themselves.
Kelley Starrett
Kelly Starrett is a physical therapist, author, speaker and CrossFit trainer. His 2013 fitness book, Becoming a Supple Leopard, was featured on The New York Times bestselling sports books list. He is a co-founder, with his wife Juliet Starrett, of the fitness website The Ready State, formerly MobilityWOD. He has been described as a "celebrity" and "founding father" of CrossFit, as well as ranking on Greatist's 2017 list of the 100 most influential people in health and fitness