Muscle Weighs More than Fat

This, simply, is not true.  In a general statement, how can muscle weigh more than fat?  Doesn’t it depend on how much muscle is being compared to how much fat?  If you compare one pound of muscle to one pound of fat, you have… pound.  It’s like saying a 1lb bucket of screws weighs more than a 1lb bucket of feathers.  They both are a pound, but you need more feathers to equal that pound.

Which brings up the key difference between the two:  Fat takes up a larger area of space.  Whereas muscle is more dense, allowing it to be compacted more within the body.  When you compare a pound of fat to a pound of muscle, the pound of fat looks much larger than the pound of muscle, but they are still both a pound.  It’s almost like saying a balloon must weigh more than a tennis ball because its overall volume is bigger.  But, we all know that is not true.  It would take many more balloons to equal one pound than it would tennis balls.

Take two women who both weight 145lbs.  One woman has a body fat of 20% and another of 45%.  Which woman would appear to be larger?  The woman with 45% body fat because her body is composed of more body fat than muscle and fat takes up more space within the body.  The woman with 20% body fat has more lean tissue (muscle) which can be compacted tighter within the body.

-Ronda Rousey is one of this years most popular female MMA fighters. She fights at 146 lbs, and most likely walks around heavier (I’m not 100% sure what she walks around at). As you can see she doesn’t “look” like your average 5’6, 150lb woman.







1 Comment (+add yours?)

  1. Cocog
    Jan 10, 2012 @ 01:16:42

    Very informative, thanks.


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