Muscle & fitness guide to high intensity

Written by our Science Editors on both sides of the Atlantic, the M&F Guide to HIIT extensively documents the research-proven way to burn more fat with less time in the gym and fewer (but more intense) workouts. The M&F Guide to HIIT is scientifically designed to build more muscle, boost fitness levels, and torch body fat. Youll get 12 proven HIIT programmes for weight training, cycling, running, and swimming, plus dietary and supplement advice from the leading experts at Muscle & Fitness.