High-Intensity Interval Training is the best and quickest way to get fit, lose weight, and tone your body! It helps you tailor your fitness regime to exercise t

Want to keep in tiptop shape but don’t have the time to devote long hours at the gym? This book is a guide to show you how HIIT can work to transform your own

Unlock your athletic potential and get into the best shape of your life with Krista Stryker’s HIIT and bodyweight workouts—all of which can be done in just

The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its

BE YOUR OWN PERSONAL TRAINER Every woman wants to work on some part of her body. Whether you’re looking to shape your arms, bust, back, abs, bottom, or legs,