Calories vs Zone?

iVillage Member
Registered: 07-06-2007
Calories vs Zone?
1
Mon, 11-28-2011 - 2:19am

I have been going to the gym 6 times a week since January.

iVillage Member
Registered: 10-17-2010
Mon, 11-28-2011 - 12:38pm

Interesting question...

There are so many different "zones" it's unreal.