You'll be doing 4 rounds of the following exercises in quick succession. The key to any circuit training routine is to make sure that you do not rest in between sets or in between exercises until you complete all of the exercises in the circuit. This will keep your metabolic rate up ensuring that you burn as many calories as possible without sacrificing strength. Take full use of your rests after each round! It will prepare you for the later rounds. Warming Up Especially for compound lifts we recommend warming up with lighter weights before your working sets. A common warmup scheme is 10-15 sets with a very light weight, followed by intermediate sets until you do 1 rep of your working weight.