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  educate me on metabolism please Post #9 (permalink)  
Old April 16th, 2007, 07:24 AM
lilone lilone is offline
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This is what I have grasped so far, let me know I’m on the right track:
- metabolism is the process of converting the food we eat into energy our body needs
- by creating a deficit instead of our bodies converting this food, it burns up fat to supply energy...
- but then it's also a balancing act b/c to lose fat you have to reduce your caloric intake, but then Steve I was reading another one of your posts about how your trying to get 4000cal to build muscle mass. so what if I just want to tone my muscles... and lose the flab around them... which leads me to more questions:

- so if you have a cal. deficit and do cardio you can lose fat but also breaking down muscle, "since muscle is metabolically expensive" (i don’t really understand what that means, but i have the general idea) but if you did some weight training or resistance training (what’s the difference if there is a difference) you won't be gaining muscle because you need a cal. surplus? and if that is so then if you do weight lifting with a deficit what will be happening to your muscles?

(so many questions) ....

I also found this:
"The number of calories a person burns in a day is affected by how much that person exercises, the amount of fat and muscle in his or her body, and the person's basal metabolic rate. The basal metabolic rate, or BMR, is a measure of the rate at which a person's body "burns" energy, in the form of calories, while at rest. The BMR can play a role in a person's tendency to gain weight. For example, a person with a low BMR (who therefore burns fewer calories while at rest or sleeping) will tend to gain more pounds of body fat over time, compared with a similar-sized person with an average BMR who eats the same amount of food and gets the same amount of exercise."
how do you find your BMR? --- can you also explain more about this?
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