Your body is not 100% efficient. At doing anything.
This implies:
Not all of the energy you apply to an exercise will be used in moving the weights. This is why technique is so critical.
Not all the weight you lose on a fat-burning program is fat. This is why you should lift heavy things while eating for fat loss (so that your body jettisons as little muscle as possible).
Your body is not 100% efficient. At doing anything.
This implies:
Not all of the energy you apply to an exercise will be used in moving the weights. This is why technique is so critical.
Not all the weight you lose on a fat-burning program is fat. This is why you should lift heavy things while eating for fat loss (so that your body jettisons as little muscle as possible).