“How many calories do I burn in a day?” If you are looking at altering body composition – whether you are looking at putting on muscle mass or a looking to burn body fat, this is a key question you should be asking yourself.
Your basal metabolic rate (BMR) is the amount of energy you expend in carrying out your everyday basic bodily functions. The expenditure of energy in this situation is only the amount required for physical survival through the continuing function of your vital organs.
This is a guest post by Tom Venuto, NSCA-CPT, CSCS
Most fitness conscious people have heard that there are 3,500 calories in a pound of fat, so if you create a deficit of 3500 calories in a week, you lose a pound of weight. If you create a deficit of 7000 calories in a week, you lose two pounds, and so on. Right? Well, not so fast…
Dr. Kevin Hall, an investigator at the National Institute of Health in Bethesda has done some interesting research about the mechanisms regulating human body weight. He recently published a new paper in the International Journal of Obesity that throws a wrench in works of the “3500 calories to lose a pound” idea.