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Many people, especially those who live in congested cities, work in office tower blocks. They use the elevator every day of their lives to get from the ground to whatever floor their office is on.
Still others use elevators in department stores, apartment towers and so on.
Forget the elevator and take the stairs, because climbing stairs is one of the most effective forms of aerobic exercise that you can ever do.
This was clearly proven by a British study some ten years ago, when researchers discovered that for averagely sedentary people, just a few minutes climbing the stairs every day demonstrably improved their cardiovascular health.
This study was of particular interest because it supported the idea that taking several short spurts of exercise every day will make a significant difference to your health (hence the idea that you can walk for ten minutes a day three times, rather than just one thirty minute session).
The study required 20 college aged women who lived relatively sedentary lives to climb up 200 steps in less than two and a half minutes.
This represented a ‘brisk but comfortable’ pace according to the researchers conducting the study, but the first time that they did it, it nevertheless served to shoot the test subjects’ heart rates up to around 90% of the anticipated maximum heart rate.
Despite this, the test subjects moved from making one climb per day during the first week to six per day in the sixth and seventh weeks.
This therefore meant that the test subjects were climbing stairs for around thirteen and a half minutes per day by the conclusion of the test, which (in case the point is not clear) represents less than a quarter of an hour of reasonably rigorous exercise every day.
By the end of this relatively modest (and completely free) exercise program, the women being tested were measurably fitter than they had been before. Every indicator had improved significantly. Their heart rate immediately after the climb had decreased markedly and their breathing had slowed as well, indicating that they needed to take in less oxygen to ‘fuel’ their efforts.
On the other hand, their HDL levels had increased, which is a good thing, because high-density lipoprotein is also sometimes known as ‘good’ cholesterol. High levels of HDL in the blood seem to play a role in reducing the risk of heart attack, while low levels seem to do the opposite by increasing the risk of heart disease.
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