Running/jogging outdoors - running or jogging is a fantastic cardiovascular exercise and one of the best when it comes to fat loss. One of the advantages is that you don't need any machines when doing this aerobic exercise. Most beginners would be better off by starting with only jogging, because when your body is not used to high intensity aerobic exercises, it can lead to an injuries.

Walking - walking is a perfect exercise for beginners if they're just starting a fat burning program. Walking is very natural, meaning everyone can walk and doesn't tire the body too quickly. The only drawback is that even if you walk for 30-60 minutes, it won't really burn many calories unless you walk at a fast pace.

Treadmill - just like running/jogging outdoors, it can also be done indoors. This is a big advantage to people who have cold climates and cannot run/job outside all year long. Because of all the advances in technologies, treadmills now have a lower injury potential so it's much easier on your feet and legs.

Stationary Bicycle - stationary bicycles come in different forms, the two most popular ones are stationary upright bicycles and stationary recumbent bicycle. The upright bicycles provide different preprogrammed courses which help people keep the same intensity throughout the workout. Most of them have multiple difficulty levels and built-in heart rate monitors. The recumbent bicycle is very similar to the upright one, but because the lower back is supported, it's much more comfortable.

Outdoor cycling - not as good as stationary bicycling because people can cheat by letting gravity do all the work. But a lot of people enjoy mountain biking and cross-country cycling, so they'd prefer to ride their bikes outdoors. In order for outdoor cycling to have a fat burning effect, you must maintain a steady pace or else it won't be that effective.

Elliptical machine - these machines first became popular in 1995. Lots of major fitness companies started making their own version of the elliptical machine. It's like a combination of hiking, cycling and walking all in one, which is what give it its excellent fat burning potential. And because it's a very fun exercise to do, people tend to report that it's much easier to for them to complete then other exercise at the same intensity.

Rowing machine - many people consider the rowing machine to be the most total aerobic exercise because it works all the major muscle groups in the body through a wide range of motion. The advantage to this is that it burns a lot of calories which helps burn more fat, but it can also be very fatiguing for people to maintain a sustained long enough workouts.

Stairclimbers - these aerobic exercises not only provide an intense fat burning workout, but they also effectively target the hamstrings, glutes, quadriceps and calves. They come with many difficulty levels and workout programs. Unless you feel some knee pain, this one's a very high calorie burning exercise.