strengthens heart and lung function

2017-06-02 | 日記
Increasingly, health experts say a better measure of overall health includes not only BMI but a test of "fitness," too. Cardiologist C. Noel Bairey-Merz is one of those experts. She's the director of the Women's Heart Center as well as the Preventive and Rehabilitative Cardiac Center at Cedars-Sinai Heart Institute.

Thousands of studies have told us this helps heart health. 2. Time yourself: For heart health, you need to do 30 minutes of physical activity a day. To lose weight, you'll need to work up to 60 minutes a day. Your activity could be as low-tech as walking to do your errands or as regimented as a daily exercise class.

Don't put it off any longer. It's time to do everything you know you should be doing: exercising, eating a low-fat, high-fiber patch cord diet, losing weight – and whatever you do, don't smoke.

Fitness can be measured with a simple questionnaire that asks patients about their level of physical activity. If a physician is particularly concerned about fitness, he or she can administer a stress test, which usually requires the patient to walk briskly or jog on a treadmill for a certain period of time while blood pressure and oxygen levels are measured. Thin Does Not Equal Fit In one study, Bairey-Merz found that women who were routinely physically active and overweight were less likely to suffer heart problems than their normal weight counterparts who didn't exercise.

As a result of her research, she says "fitness" now trumps "fatness." She says those who are fit are people who could walk 30 to 60 minutes without having to stop; who could climb two flights of stairs without becoming winded; or who could do some mild to moderate aerobic activity — a brisk walk or short jog, for example. Such routine exercise strengthens heart and lung function, bones and muscles, as well as how the body processes oxygen. The greater the efficiency of these functions, the greater one's fitness.
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