The scale is NOT a true indicator of whether or not you are losing fat. Your weight is divided into two separate and distinct groups: fat and lean body mass. Let's elaborate briefly on the two...
FAT: In a nutshell, fat is stored energy for the day you have no food. Waaaaaaay back in the caveman days, we hunted for our meals and had no idea where (or when) the next piece of food was coming from. Consequently, we evolved into creatures that stored excess calories in preparation for those lapses in feeding. Fat is what excess calories are converted to for storage. Fast forward to today and guess what --- there's food EVERYWHERE! We consume so many excess calories that we (get this) BECOME OVERWEIGHT!!! All this excess energy is metabolically inactive (i.e, not living tissue)-- that is, fat does not require any energy to survive in your body.
LEAN BODY MASS: This one is easy to explain -- lean body mass is everything in your body that is not fat. Skin, muscle, bone, organs -- all these things are metabolically active (i.e., living) tissue and thus require calories to exist.
Considering the aforementioned, it stands to reason that the more lean body mass we have on our body, the more calories we will burn each day. When you start burning more calories than you eat every day, you will force your body to dip into that storage bin of energy called "fat."
Once we reach adulthood, the only aspect of lean body mass that we can increase is muscle. This is why resistance training is just as important as cardiovascular training when fat loss is one's goal. This is also why we cannot rely solely on the scale in determining whether we are losing fat. Body composition assessments distinguish between fat and lean body mass and therefore serve and a more accurate indicator of fat loss, muscle increase, or both.
In my next posting, I will go into detail about the various methods used to perform body composition assessments.
FAT: In a nutshell, fat is stored energy for the day you have no food. Waaaaaaay back in the caveman days, we hunted for our meals and had no idea where (or when) the next piece of food was coming from. Consequently, we evolved into creatures that stored excess calories in preparation for those lapses in feeding. Fat is what excess calories are converted to for storage. Fast forward to today and guess what --- there's food EVERYWHERE! We consume so many excess calories that we (get this) BECOME OVERWEIGHT!!! All this excess energy is metabolically inactive (i.e, not living tissue)-- that is, fat does not require any energy to survive in your body.
LEAN BODY MASS: This one is easy to explain -- lean body mass is everything in your body that is not fat. Skin, muscle, bone, organs -- all these things are metabolically active (i.e., living) tissue and thus require calories to exist.
Considering the aforementioned, it stands to reason that the more lean body mass we have on our body, the more calories we will burn each day. When you start burning more calories than you eat every day, you will force your body to dip into that storage bin of energy called "fat."
Once we reach adulthood, the only aspect of lean body mass that we can increase is muscle. This is why resistance training is just as important as cardiovascular training when fat loss is one's goal. This is also why we cannot rely solely on the scale in determining whether we are losing fat. Body composition assessments distinguish between fat and lean body mass and therefore serve and a more accurate indicator of fat loss, muscle increase, or both.
In my next posting, I will go into detail about the various methods used to perform body composition assessments.
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