Bob Greene Reveals the Ways You're Sabotaging Your Workouts

Your Favorite Machine May Be a Slacker

Not all machines are created equal. For example, Bob says, you get the most challenging elliptical workout from machines that force you to lift your knees as if you were running (instead of letting you slide your feet back and forth) and that have arm handles with at least the same amount of resistance as the pedals. Other machines that take your workout to the next level: stair climbers with real steps, spin bikes that are sturdy and offer a smooth ride as well as a wide range of resistance settings, and stationary bikes with moving arm handles and wind resistance.

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