If you re new to the world of fitness, first and foremost never over do it, and always get cleared by a medical doctor if you think you may have health considerations
Cardio short for cardiovascular training by design is different from resistance training. The main focal point of cardio training is to increase the fat burning process. This is accomplished by burning fat as the main fuel source. Weight resistance training builds bigger muscles and uses glucose (usable carbohydrates) as the main fuel source. Although if cardio training is intense (not able to talk and exercise simultaneously) glucose instead of fat will be used as the energy substrate. This is due to the fact that fat doesn t burn fast enough to keep up with the rapid movement.
Like I mentioned before if you re a newbie to exercise take it slow by walking in your neighbor 3 days a week for 20 min, for the first 2 weeks and progress up to 4 5 days a week for 45 60 min, at the end of the 3rd and 4th week. After that, you can try more intense versions of cardio including: treadmills, ellipticals, stationary bikes, jogging and cross trainers. Choose a level where talking with your exercise partner is still possible for 15 minutes, 3x week for 2 weeks. You can progress up to 45 60 min 3x week.
A rudimentary way of determining intensity level for these cardio modalities is 55 to 65 of your maximum heart rate. You can estimate your maximum heart rate by subtracting your age from 220, then multiple that by either .55 or .65. This is a good range that will keep you in the fat burning mode and not burning glucose that you will need for your resistance training(glucose is the preferred fuel source during weight training).
Although the age predicted max heart rate is the most common method under use today it has one major flaw. Some 60 yr olds are in better shape that some 30 yr olds, but this method would fail to recognize such an important factor. I actually prefer using something called the Borg Scale to determine intensity which I outline a little later in this article.
Advantages of cardio training: When your muscles need oxygen and nutrients it s your heart lung complex (cardiovascular) that does the job. When your body has waste products that need to be expelled like carbon dioxide and metabolic wastes, your cardio system better be in tip top shape, or illness and disease might soon follow. The better shape you re in the more proficient your heart will be to pump blood to all the various organs. This translates into more energy for you throughout the day and a more rewarding and productive life.
An out of shape person has his or her heart working overtime just to accomplish the minimal about of work required to maintain life. Now take that person and try to make them do something active beyond sitting on the couch. The heart will have a stressful time keeping up because it s all ready working hard. Shortness of breath, rapid heart beat, wheezing, loss of balance and fatigue are signs of a weak cardio system.
The more cardio trained you are, the less your heart has to work. Who do you think has more energy a person with a resting heart rate of 80(how many times the heart beats in one minute) or a person with resting heart rate of 110 beats per minute? The person with the resting heart rate of 80 is more proficient in pumping blood throughout the body compared to the person who needs an extra 30 beats per minute to get the same amount of blood pumped throughout the body.
A good method of determining of how hard you’re working is something called the Borg Scale and my own preference of intensity feedback:
6, 7, 8 = very, very light
9, 10 = very light
11, 12 = fairly light
13, 14 = somewhat hard (correlates 55 65 age predicted max HR)
15, 16 = hard
17, 18 = very hard
19, 20 = very, very hard
You re your own master here, which is why I like using this scale. Begin with light sessions according to how you perceive your own exertion and work your way up until you can maintain 2 somewhat hard workouts for about 45 60 min, 2 x week along with another 2 light workout sessions alternating between the 2 for a total of 4 sessions a week.
Again, cardio training along with resistance training is essential to good health. It is also the cheapest and easiest way to exercise, just grab some running shoes and you re all set!
Author Resource:-
Robert Saladino. M.S., CSCS, has helped hundreds of his clients reach and keep their fitness goals. He is one of the top Personal Trainers in PA; visit http://www.mountainfitnessbyrobert.com for a ton of free information regarding exercise, health and diet.
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