It's not easy to tell whether you are fit or not by how much you weigh, or how often you exercise, or the way you look. A good example is that of a weight-lifter. His BMI could indicate that he is overweight, however, this would be due to his muscle mass. His would be lean - It's not easy to tell whether you are fit or not by how much you weigh, or how often you exercise, or the way you look. A good example is that of a weight-lifter. His BMI could indicate that he is overweight, however…
