[fitnessfreak]

exercising at a lower intensity means that the actual ratio of fat being burned relative to other fuel sources is higher. when you exercise at a higher intensity the percentage amount of fat you are burning goes down. however, even though the percentage amount of fat being burned drops as you increase intensity, the actual amount of fat being burned is still increasing in real terms.

so to sum it up. exercising at a higher intensity will burn more fat, so if you are focusing on fat loss, the best move is to exercise at the highest intensity you can handle for an extended period of time. and of course, exercising at a higher intensity does have other benefits, such as improved cardiovascular fitness.

disclaimer: im no expert and i cld be wrong, but i have been reading a lot of articles and stuff on this issue and that is the conclusion i came to.