Push-Up, Crunch, Squat Ladder

1. Perform 5 push-ups, 5 crunches, 5 squats
2. Perform 4 push-ups, 4 crunches, 4 squats
3. Perform 3 push-ups, 3 crunches, 3 squats
4. Perform 2 push-ups, 2 crunches, 2 squats
5. Perform 1 push-up, 1 crunch, 1 squat
6. Rest for 30 seconds
7. Repeat