Quoting: jenngetfit
if you gained muscle, wouldn't your fat weight go down?
Not necessarily. If you gained muscle, but didn't lose or gain body fat, you would:
1) Weigh more by the increase in muscle weight
2) Have a lower % body fat, since the ratio of muscle to fat gets higher when you gain muscle and your fat weight is steady.
A lot of people have trouble gaining a lot of muscle without also gaining fat. I think it takes a very strict diet and workout regime to only gain muscle. In the bulking phase for most body builders, they expect to gain a bit of fat, and then they trim down before competition (which usually means they lose a bit of muscle also.)
