Originally Posted by
atomic sagebrush
Tae Bo is kickboxing mixed with exercise and I did it all the time before I got DS 3 and 4. The good thing about it is that there's lots of punching and kicking which may send a message to your body that you're fighting and may help raise testosterone. I was also fencing (fighting with swords) a lot before I conceived Ds 3
The Firm is another one that I used a lot and then subsequently got DS 3 and 4.
I haven't done the Jillian Michaels but as long as it;s not longer tha 45 min (the warm up/cool down doesn't count, just the intense exercise part) it's fine.