More than 190 million Americans suffer the consequences of being out of shape and overweight, including lack of energy, low self-esteem, diabetes, and even heart disease and stroke. These conditions could be prevented by taking just a few simple measures to increase fitness. Simple Principles(TM) to Get Fit gives readers practical tips they can apply immediately to increase physical fitness. In a direct, easy-to-read style, this book offers the tips and advice for increasing energy levels, losing weight, gaining flexibility, and building endurance. Whether readers are just getting started on a fitness program or are seasoned athletes, they will find simple tools that they can apply immediately to become more physically fit.