If You want change yourself in 30 days and You want lose belly fat You can try these 10 minutes exercises. These exercises are: Bicycle crunch, Criss- cross mountain climbers, Scissor kicks, Crunch with front kick, Burpee variation- plank, spider, walk, jump. Now You do 1 minute rest. Next You do: Bicycle crunch again, Criss-cross mountain climbers again, Scissor kicks again, Crunch with front kick again, Burpee variation- plank, spider, walk, jump again. You do every exercise 1 minute.