You have heard and read about it so many times; your doctor
has told you, you hear it on television and read it in
every magazine you pick up: EXERCISE IS GOOD FOR YOU.
You must have drawn the conclusion that exercising can help
you to lose those unwanted pounds and tighten up your
wobbly bits.
But how does it work?
All depends on metabolism. Why? The answer is simple.
Because metabolism is the process by which your body makes
use of the food you eat in order to provide the necessary
quantity of energy to your body.
There are three ways to spend your energy daily: basic
needs, food processing and physical activity.
Not only an activity can burn calories, but also the
moments when your body is passive, at rest. Even then there
exist biochemical processes occurring that require energy
to drive them.
Calorie metabolism provides the energy for basic bodily
needs such as breathing, blood circulation and cellular
growth and repair.
The most intense process of your body is food digestion.
The digestive processes are maintained with almost ten
percent of the calories you eat each day.
More than that, the last but not least, the daily physical
activities, such as running, swimming or walking, also
require calories.
Unlike the basic, digestive needs of your body, the
physical activity you do depends only on your choices. If
you want to burn more calories and lose weight, you need to
exercise hard.
The amount of calories you burn while exercising depends on
your age, sex and body composition.
Older people tend to have a slower metabolism and also less
muscle , which is one of the most "active" calorie-burning
tissues.
Women burn less calories than men when performing
equivalent exercise, also because men tend to have more
muscle mass.
People with bigger weight can burn calories at a higher
rate than smaller people, because their bodies require more
energy for movements.
Let's take for example a person with a weight of 130
pounds, racing a bicycle at more than 20 miles/hour would
burn 944 calories an hour.
For the same amount of exercise, a person who has a weight
of 155 pounds would burn 1125 calories/hour.
The number of calories you burn is also influenced by the
intensity with which you exercise – in general the harder
the exercise, the more calories burnt.
Running at 5mph burns 472 calories per hour, whereas at
11mph you can burn 1062 calories per hour.
High impact aerobics also burns more calories than a lower
impact workout (413 calories versus 295 calories/hour).
It is said that sports that require intermittent running,
such as:
basketball (472 calories/hour), tennis (472
calories/hour), football (531 calories/hour), soccer (590
calories/hour)
give you the ability to burn more calories than less active
sports such as:
golf (236 calories/hour), cricket (295 calories/hour).
Never try to find excuses for not doing housework, because
the household chores are a good way to lose some calories
fast and easy, without even thinking about them:
Cleaning your house will burn 207 calories/hour, while
carrying heavy loads around the garden can burn up to 472
calories/hour. Painting or plastering your home burns
about 266 calories/hour; also scrubbing a dirty floor will
make you lose calories - about 325 calories/hour.
Only 30 minutes spent on engaging in physical activity each
day, can help you burn calories, beat the battle of the
bulge and gain fitness.
Go for it!
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For more valuable information about health and fitness,
please visit
http://www.hotexercise.com
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