Meyer & Meyer, 2015. — 250 р. — ISBN: 9781782550648.
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 the body part you want to improve and to incorporate it into your busy schedule. You can do these short workouts at home, at the gym, or even at work. All you need is 15 minutes a day and within just one month, you'll sculpt your body, burn fat, and improve your strength!