But just more fuel is not enough. Just as a high performance car requires a high performance fuel, the highly trained athlete requires high-performance nutrients. The importance of nutrition is a key factor in optimizing an athletes performance physically and mentally. Proper nutrition is essential for physical success of an athlete. Nutrition enables our body to make gains in size, strength, endurance and conditioning.
Food is fuel for the body.
Supply energy 2. Regulate various body systems 3. The whole process of strength, speed, and endurance training is to manipulate these three variables. If we deprive ourselves of food or maintain improper diets, we greatly jeopardize the total strength and building process. Carbohydrates - considered to be the primary body fuel 2.