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随着人们对健康的日益重视,体育锻炼已被许多人纳入自己的生活方式之中。国家卫生界的推荐报告也主张树立和坚持终生锻炼习惯。初创的2000年健康组织提出的一个预防疾病的基本目标就是将每天参加适当体育锻炼的美国成年人比例提高到至少30％。最近,越来越多的人加入了集体锻炼的行列。这些为健康而锻炼的人的运动强度一般在最大摄氧量的50％～70％水平,每次锻练30～60分钟,每周3～4次。大量研究结果表明坚持体育锻练可以提高最大摄氧量,并能产生
With people’s increasing emphasis on health, physical exercise has been incorporated into many of their lifestyle. The national health recommendations also advocate the establishment and adhere to life-long exercise habits. One of the basic goals put forward by the nascent 2000 Health Organization to prevent disease is to increase the proportion of U.S. adults who take part in proper physical activity at least 30% daily. Recently, more and more people joined the ranks of collective exercise. The intensity of exercise for those who exercise for health is generally in the 50% to 70% of the maximum oxygen uptake level, each exercise for 30 to 60 minutes, 3 to 4 times per week. A large number of studies have shown that insist on physical exercise can increase the maximum oxygen uptake, and can produce