Weight loss can be achieved by reducing calorie intake, increasing physical activity, or both. Having a higher proportion of lean-mass-to-fat-mass translates into a more attractive physique and competitive advantage in sport [1-3].
Weight loss presents an interesting dilemma. When done appropriately, weight loss can result in improved body composition while maintaining or increasing performance . However, when done inappropriately, weight loss can increase stress , impair muscle recovery and athletic performance [1-6], and can potentially result in more serious health complications [4, 6].