Go onto any cardio machine in the gym and you'll see a graph which shows age against heart rate and a band running across the graph shown as the "Fat Burning Zone". Should you really exercise at a lower intensity to burn body fat? Working at lower intensity and subsequently lower heart rate will burn less calories per unit of time as you would working at a higher intensity, or higher heart rate.
The Respiratory Exchange Ratio is the ratio of the Carbon Dioxide produced to the Oxygen consumed to provide energy to the body. The burning of fat to provide energy has a RER of 0.7, for each molecule of oxygen consumed 0.7 molecules of Carbon Dioxide is produced. Burning carbohydrates for energy produces 1 molecule of Carbon Dioxide for each molecule of Oxygen used, hence a RER of 1. When exercising, the more intensely you exercise the more energy you require and the more oxygen you consume.
When exercising at a lower intensity your RER is lower, closer to 0.7 which allows your body to use your body's fat stores for the energy required. At higher intensities, your RER tends closer to 1 and carbohydrates are the only way to provide the energy that the body requires.
At lower intensities, your body takes more energy from fat stores which has led to the creation of the fat burning zone. Does the amount of calories burned from fat during exercise matter. I believe not, a calorie burned is still a calorie burned.
You burn body fat by consuming less calories than your body requires. Weight loss can be achieved by a reduction in calorie intake from food, or an increase in your body's energy requirement (increased muscle mass or increased energy expenditure).
Many people do not want to, or do not have much time to spend exercising. From this point of view, performing high intensity workouts will burn the largest amount of calories in the shortest period of time. However, whenever starting out any new training regime, you must progress into it. Jumping straight into a high intensity workout can lead to injury and time where you are unable to exercise.
With any new exercise program it is best to consult your physician first and gradually build up the intensity of the workout. A calorie burned is a calorie burned, so exercise safely and intensely to burn body fat.
By Dave Lyon
Article Source: http://EzineArticles.com/3538804
The Respiratory Exchange Ratio is the ratio of the Carbon Dioxide produced to the Oxygen consumed to provide energy to the body. The burning of fat to provide energy has a RER of 0.7, for each molecule of oxygen consumed 0.7 molecules of Carbon Dioxide is produced. Burning carbohydrates for energy produces 1 molecule of Carbon Dioxide for each molecule of Oxygen used, hence a RER of 1. When exercising, the more intensely you exercise the more energy you require and the more oxygen you consume.
When exercising at a lower intensity your RER is lower, closer to 0.7 which allows your body to use your body's fat stores for the energy required. At higher intensities, your RER tends closer to 1 and carbohydrates are the only way to provide the energy that the body requires.
At lower intensities, your body takes more energy from fat stores which has led to the creation of the fat burning zone. Does the amount of calories burned from fat during exercise matter. I believe not, a calorie burned is still a calorie burned.
You burn body fat by consuming less calories than your body requires. Weight loss can be achieved by a reduction in calorie intake from food, or an increase in your body's energy requirement (increased muscle mass or increased energy expenditure).
Many people do not want to, or do not have much time to spend exercising. From this point of view, performing high intensity workouts will burn the largest amount of calories in the shortest period of time. However, whenever starting out any new training regime, you must progress into it. Jumping straight into a high intensity workout can lead to injury and time where you are unable to exercise.
With any new exercise program it is best to consult your physician first and gradually build up the intensity of the workout. A calorie burned is a calorie burned, so exercise safely and intensely to burn body fat.
By Dave Lyon
Article Source: http://EzineArticles.com/3538804
No comments:
Post a Comment