The myth that everybody needs to eat large amounts of carbs to exercise is on the way out. Here’s another nail in the coffin:

A strict ketogenic low carb diet seem to work fine even for elite gymnasts. In a new study they kept their strenght and lost fat mass (even though they were very fit to begin with!) while gaining a non-significant amount of muscle weight.

Journal of the International Society of Sports Nutrition, 26 July 2012: Ketogenic diet does not affect strength performance in elite artistic gymnasts