I would like to see a similar study using smaller carbohydrate loadings. At 10g carb/kg (2800kcal carbs for a 70kg athlete) they may have swamped out any effect just by the shear amount of carbs they were giving the athletes. In the snacking condition a 70kg athlete would have been eating 170kcal of carbs every hour; all for a workout that was just over two hours. Furthermore, if these guys were still eating moderate amounts of protein and fat they would have consumed a large amount of food, so no wonder the muscles were fully stocked in both groups.