The fitness mad studio pro 40in rebounder trampoline is a great tool for zero impact aerobic exercise suited to most fitness enthusiasts this commercial grade trampoline offers a smooth almost silent performance and can help increase the capacity of your heart and lungs build strength stamina and boost all round fitness when used regularly it will tone the muscles around your legs thighs abdomen hips and arms at the same time improving your co ordination and balance it is also a gre