If you're looking for a challenging, calorie-burning, engaging workout, should you use a treadmill or a stair climber? Either one is can be a good option, fitness experts say, but they're not ...

“If I know we're working out on a leg day, I'll have [my client] hop on the stair climber first for 15 minutes to warm up ...

Forget expensive gym memberships—stair-climbing is a free, high-intensity exercise that torches calories faster than walking.