David was a competitive figure skater. That is a sport that requires smart training for fitness and endurance. If you would like articles that take the aspects of nutrition, exercise, and diet and apply them to fitness then David is your writer. Fitness is not a flat single deminsion. It is a whole body approach to living that provides fitness as an end result. Fitness with a focus is important and measurable. That is what we all want we we talk about fitness.