The treadmill offers you the opportunity to walk indoors without braving dark mornings, cold weather or unfriendly terrain. And there are a host of other benefits.

You can learn how to box at home without equipment by practicing shadow boxing and using DVDs and books.

Pedometers can motivate a person to exercise, but it can be tricky to know exactly how far you have gone and how many calories you have burned. However, simple math formulas can help you make a relatively accurate estimate.

Feeling trapped on the treadmill doing the same routine every day? Or maybe your treadmill is just collecting dust. Have no fear! You won�t have to agonize in boredom for another hour on the treadmill. Amp up your tread sessions with this circuit!

You can do high-intensity interval training on any type of cardio equipment, including an elliptical machine.

While you can�t target the fat around your gut, cardio workouts of varied duration and intensity can build your body into a fat-burning, calorie-combusting machine.

HIIT, or high intensity interval training, is a cardiovascular exercise technique incorporating periods of low-intensity work alternated with periods of near maximum intensity.

Years ago, machines were all the rage at the gym. Manufacturers spent a lot of time and money to make theirs the latest and greatest, says Mark Nutting, CSCS, fitness director of Saco Sport & Fitness in Saco, Maine. �In fact, we used to train football players on machines, which we�d never do now.

An adaptive motion trainer is similar to an elliptical, but you can walk, run and step on it. Treadmills have a rolling belt and shock-absorbent surface.

We looked back at the weirdest, wildest and most popular fitness, diet and exercise fads of yesteryear and asked, �Where are they now?�

Whether done with a barbell or on a machine, deadlifts are a multi-joint exercise, making them more effective for strength training and calorie burning than exercises that isolate one muscle.

The rowing machine. You�ve seen it in the corner of countless gyms, lonely and unused. So what is this thing? How do you use it? And why should you give this machine a try?