Quote Originally Posted by SadieKate
A bunch of people think that if you can't hold a conversation while working out that you aren't burning fat. Not true. This low level only means that the percentage of fat per calories burned is high and that you can sustain the workout for a long time. These same people that won't push above this level of effort are also the ones that never get faster.
Exactly!
The one thing they were correct about is that if you cannot hold a conversation you are exercising using anaerobic energy. If you can talk, you are still completely aerobic. Good to know if you don't own a heart monitor because it is very accurate.