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Get ready to break a serious sweat with this scientific guide to HIIT training! Discover everything you need to know to achieve the best results from your HIIT workouts by understanding the muscle action needed to perfect each exercise.--
Get the best results from your HIIT sessions by understanding the muscle action needed to perfect each exercise.Explore the physiology of all the essential HIIT exercises, spins, and sprints, to master each movement with confidence and control.Recent scientific research shows th…
"Get ready to break a serious sweat with this scientific guide to HIIT training! Discover everything you need to know to achieve the best results from your HIIT workouts by understanding the muscle action needed to perfect each exercise"--