CONTENIDO: Introduction: Basics and Background. Energy and energy metabolism -- Energy metabolism of macronutrients during exercise -- Regulation of energy metabolism during exercise -- Applications: Knowledge into Practice. Measurement techniques for energy expenditure -- Energy expenditure at rest and during various types of physical activity -- Energy storage, expenditure, and utilzation: components and influencing factors -- Exercise training and metabolic adaptation -- Pharmacologic and nutritional substances to enhance performance or produce weight loss -- Bottom line: why should I exercies? -- Future scientific research in exercise and sport and the role of bioanaltical chemistry.