a few routines i do..... 100 rope turns 10 burpees 10 push ups 10 squats 10 times with no rest, perform each exercise as fast as possible and make sure you sprint on the ropes. similar one: 100 rope turns 10 clap push ups 15 medicine ball slam 20 lateral jumps over the medicine ball 8 times with 30 seconds rest in between circuits 10 burpees 10 bicycle crunches 10 squats 10 push ups as many times as possible in 20-minutes!