So, you can experience explosive workouts and quick rest periods. (purenitrono2.org)
These times of quick rest are often welcome breaks in an otherwise busy day. (theemedicalassistants.com)
I just finished my first attempt (I did level 1 as a sort of circuit, doing half of each with quick rests in between to not die, then the other half) and I have to say.. (nerdfitness.com)