The best trampolines for Body Jump Fitness trampolines are a good alternative to exercise and have fun at the same time. Sports trampolines are small in size and will help you get fit with a low-impact activity. What exercises to perform with a fitness trampoline? Thanks to the mini trampolines you will be able to work your balance, abdominal muscles, legs and arms. It is an entertaining way to burn up to 800 calories per session while staying at home.