picture of steam locomotive

The extra calories are needed for rebuilding the muscles tissues which are lost or damaged in the high intensive workouts. The simple way of eating around you will need isn't the optimal way for muscle gain. The same form of calories is probably not suitable for another individual. Your body can only process certain amount of calories consumed during a period. Long before there was machines to sort out on and competitive sports to keep us moving and before wars were being fought, man didn't think about fitness and health as a technique of keeping healthy. He simply knew that if he didn't hunt, he wouldn't eat of course, if he didn't run, something would hunt him. They were challenging times that focused simply on survival.