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| [00:05.54]The American Heart Association is advising people to exercise [00:13.27]by lifting weights.One of the writers of that advisory [00:19.20]is Barry Franklin of William Beaumont Hospital in Royal Oak,Michigan. [00:25.97]Mister Franklin directs the exercise and education program [00:32.10]for people with heart disease. [00:35.66]Mister Franklin says doctors have increasing evidence [00:41.80]that exercising with weights can reduce several risks for heart disease. [00:49.24]For example,weight training improves the operation [00:54.39]of the heart and blood vessels. [00:57.84]It also increases the amount of muscle in the body. [01:03.19]He says there is less demand placed on the heart [01:08.73]when the muscles are stronger. [01:11.89]He believes weight training will help a person's heart work better [01:17.92]when the person has to lift or crry objects. [01:22.65]Weight training also improves the way the body burns sugar. [01:28.69]Mister Franklin says this kind of exercise helps people reduce body fat [01:37.12]He says a body with more muscle is able to burn more calories in food. [01:44.46]The American Heart Association advisory calls for people [01:50.99]to left weights at least two times a week. [01:55.72]The advisory says training perioda should include eight [02:01.76]to ten different exercises. [02:05.20]However,Mister Franklin says weight trainning is not for everyone. [02:12.41]He says it appears safe and helpful for healthy people [02:18.74]and thouse at low risk for heart failure. [02:23.60]But,he says more study is needed before it can be advised [02:29.34]for patients with medium to high risk of heart disease. [02:35.66]The American Heart Association also recently published a study [02:42.09]of the effects of weight training. [02:46.43]That study shows that such training can lower blood pressure [02:52.36]Researchers at Northern Illinois University examined eleven studies [02:59.51]carried out during the past thirty years. [03:03.85]More than 300 people took part in the studies. [03:09.78]All of them exercised between two and five times a week [03:15.81]for as long as one hour each time.However,only 180 of them trained with weights. [03:25.95]Researchers found that the people who used weights [03:31.38]had lower blood pressure than the other people. [03:36.11]The difference was even more apparent when blood pressure was bout 4% lower [03:44.05]The Heart Association says wight training should be part of program [03:50.87]that includes walking,stretching and eating a healthy diet. |
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