If there were one best exercise machine to lose weight, then we'd be the first to tell you about it. But everyone is different, from the exercise their bodies best respond to, to the one they enjoy ...

Tom Jackson of New Kensington was going through his morning routine this month, lifting weights on several different machines in the basement at the Valley Points Family YMCA of New Kensington.

Which exercise machine burns the most calories? The one you enjoy and will use the most. Here are our all-time favorite cardio machines we have tested at Live Science. When you purchase through links ...