Cardio circuits are great workouts for anyone who doesn't have a lot of time to workout as well as those people that get bored on an exercise bike or treadmill. The circuit is a series of moves designed to get your heart pumping and your muscles working in a short period of time. The workouts are divided into three levels.
Level one: This is great for beginners. You should repeat each move as many times as you can in 30 seconds while using good form, then take a 60-second break to walk around or sip water and then start the next move. Complete the circuit twice.
Level two: After you feel comfortable with level one, move on to level two in which the moves are more complex. Work your way up to 45 seconds per move and only 45 seconds rest in between moves. Complete the circuit twice.
Level three: After you've done level two for a month and feel comfortable, move up to level three. Try doing each move for 60 seconds and rest no more than 30 seconds in between moves. Complete the circuit twice.