Focus on being lean, rather than light. The ratio of fat to lean tissue in your body is a critical factor in maintaining your health, increasing vitality, and improving sports performance. Get an accurate reading of your body composition with this simple, non-invasive assessment. You will receive expert guidance in interpreting your results and setting healthy goals. This is a great tool to get a baseline assessment of your body composition before you start a fitness or nutrition plan, to help you track your progress during the plan, and to evaluate your improvement after the plan ends.