new and needs advice, 16 yrs

[kevinredtiger]

I have just begun doing cardio on a step climber machine that also converts into an exercise bike. Which function would be better if I am trying to cut body fat and how long should I do it for

[Boss Man]

Do the Bike in opinion, better for interval and sprint stuff, and less fatiguing on the Legs, when bodyweight is being transferred into the seat / saddle, and off the legs.

[swanso5]

to burn fat the more variety you use the better