Aerobics (long, steady state sub-maximal cardio) aren't much good for many health or fat loss related benefits. I've already done a post on why aerobics suck for fat loss. And then I went over the health benefits of interval training versus steady-state aerobics in my interval training for fat loss article

Cardio is used in reference to exercises and/or equipment intended for cardiovascular fitness and endurance training (aerobic exercise). "To do cardio" is a common term which means to engage in Running or other endurance training for a set period of time. Having Cardio equipment at home is a great way to be sure to get it in.

The exercises are also very much important to the men. These exercises will help develop the flexibility that will aid in reducing the chances of injuries to the body. These exercises also help in the continuous development of the body. The exercises work to increase the activity level and the oxygen supply to the various parts of the body.

It is important that we work out the cardio system. This is because the cardio system is the core of the body. With a weak cardio system there are not many exercises that we can perform. A weak cardio system also makes a person prone to many heart problems and diseases.

Again, that's why you see these overweight aerobics instructors that can probably do well in a triathlon (because of excellent endurance), but don't lose any fat weight.

Aerobics is also known as cardiovascular exercises and it improves oxygen intake and works major muscle groups like the lungs and heart. Aerobics speeds up your metabolism and this leads to fat burning and weight loss, by keeping your heart rate up for an extended period of time. Most instructors suggest 30 minutes of exercise to get the heart rate up to with a 5 minute warm up and 5 minute cool down.

Because you would look forward to doing it and won't likely miss (or "play truant") and would likely stay put in it long, to achieve your goal- either to lose weight or to maintain good health.

Cardio and aerobic exercises are helpful to strengthen the respiratory muscles and it results in smoother and unlabored breathing. These exercises are good for strengthening the cardiovascular muscles and it also improves the hearts pumping efficiency. It tones the muscles of all parts of body that results in improved blood circulation and reduced blood pressure.

Most people perform cardio training to burn excess calories. With obesity as one of the leading health problems in the Western world today, people are seriously considering doing cardio workouts since they burn much more fats and carbohydrates in so little span of time. But it must be noted that the amount of calories burned during cardio training will always be dependent on the body weight of the exerciser, the intensity of his workouts and the type of activity he does.

If you were looking to change up your aerobic routine, I would suggest you try water aerobics.Also known as aqua aerobics or aqua-fit. Water aerobics is similar to any other kind of cardio exercise. You run, do jumping jacks, perform arm movements and kicks, except you are in the water.

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