Cardio exercises, also called “aerobics,” are the ones most proven to burn calories at a sustained rate they therefore win the award for the best Weight Loss Exercises. By aerobic, we simply mean those exercises designed to get the body moving so that the heart rate is raised for at least 20 minutes. Some people may get in their minds pictures of aerobics videos by Richard Simmons or Jane Fonda, but in truth, aerobic exercises can be anything that causes an increase in the heart beating for an extended period of time. So among the many aerobic exercises, which are best? Most health experts have determined that High Intensity Aerobics are the best way to lose body fat. Further, it\’s the only way to lose fat permanently. For people with slow metabolism, it is especially essential to perform regular aerobics with high intensity. And although 20 minutes is what defines an exercise as aerobic, the ultimate goal that you should be aiming for is 30-45 minutes.. A half hour is the minimum needed to burn calories efficiently. Daily is best, but at least do your aerobic routine three times a week. Naturally, the more days you add, the more calories you burn