One of the most common excuses for not going to the gym is that there just isn't enough time to fit in a workout (or it is just too expensive.!) Now, a busy life needn't be a barrier to exercising! In this easy-to-follow book, fitness trainer Zen Martinoli shows you how you can get a great workout in a fraction of the time you would spend at the gym. What's more, the workouts in this book can be performed anywhere and at any time & with no cost involved !! Through from beginners'training to intermediate & up to advanced-level, Zen proves that short, intense workouts are just as -- if not more -- effective than long gym sessions. Brief, intense periods of activity will metabolise fat, increase levels of fitness and reduce stress levels. And with shorter workouts, the return on your investment is so much greater!