上海图书馆每天为头条号的读者提供优质的英语阅读导读一提健身，没有时间是人们用来逃避锻炼的最大借口之一。
日常加班、应酬繁忙导致人们健身时间越来越少。
如今，美国的健身房越来越多地提供20、25或30分钟的快速、高强度的健身课程。
健身速成班在那些试图在繁忙的工作和社交日程中挤出时间锻炼的人当中越来越受欢迎。
#Express Fitness Gaining Popularity in US##健身速成班#No time is one of the biggest excuses people use to avoid exercise.So gyms in the US are increasingly offering quick, high-intensity workout classes for 20, 25 or 30 minutes.As expressed fitness gains popularity among people trying to carve out time for exercise in their busy work and social schedules.没有时间是人们用来逃避锻炼的最大借口之一。
因此，美国的健身房越来越多地提供20、25或30分钟的快速、高强度的健身课程。
正如字面上所说，健身速成班在那些试图在繁忙的工作和社交日程中挤出时间锻炼的人当中越来越受欢迎。
It is a quick 25-minute class; I can go take my lunch, come here get my heart rate up,sweat all the toxins out of my body and then clean up and get back to work within my hour.High-intensity interval training known as Hit was recently ranked number one on the American College of Sports Medicine worldwide survey of fitness trends.No longer is the trends to workout for two to three hours, several days a week so people want to get this high-intensity workout in the shorter amount of time so what we're delivering is 25-minuite Express Hit classes.这是一个25分钟的快速课程; 我可以先去吃午饭，再来这里体验脉动的感觉，排除毒素一身轻松，然后洗个澡，马上就能去上班。
一种被称为Hit的高强度间歇性训练最近在美国运动医学学院全球健身趋势调查中排名第一。
现在的趋势不再每天锻炼2到3个小时，每周几天，所以人们想要在更短的时间内进行高强度的锻炼，所以我们提供的是25分钟的速成HIT课程。
Most people are good enough to start off in one of these high intensive programs but they need to understand them correctly, says physical therapist John Kaufman.Most of them work is in a 10 to 20 second high interval where you can't do any more. Your body's about fatigue followed by a rest period where it could be 30 seconds, it could be one minute.But the point is to go as hard as you can and then let your body have that time to rest.大多数人都能很好地开始这些高强度的项目，但他们需要正确地理解它们，物理治疗师约翰·考夫曼如是说。
它们中的大多数都是在10到20秒的间隔内做难以实现的高强度的训练。
你的身体在疲劳之后会有一段休息时间可能是30秒，也可能是一分钟。
但关键是要尽可能地努力，然后让你的身体有时间休息。
Back-to-back 25-minute classes are also popular at Legris Fitness Studio in Los Angeles. Fit it out with the specially designed super performer inspired by classic Pilates performers all controlled by the instructors iPad.It's unlike anything you see.It moves up and move down side to side so why is it good? It's like ever walked uphill?Yeah, exactly, it's like that but in a high-intense version of workout.连续25分钟Back-to-back的课程在洛杉矶Legris健身中心也很受欢迎。
你将与你的超级机器教练一起学习。
它的灵感和设计来自于经典普拉提表演者，所有都由教练的iPad一手控制。
它和你看到的任何东西都不一样。
它会上下移动，所以为什么它有好处呢? 就像上山一样?没错，就是这样，不过强度更高。
And gym goer Jackie Cohenca says it's working.I find doing this workout change your stomach, keeps your butt tight really leans you out and it is like invigorating,I want to do more, like I could do it seven days a week now.The US Department Health and Human Services says that only one in three adults receive the recommended amount of physical activity each week.健身爱好者杰姬·科恩卡说，这种方法有效。
我发现做这个锻炼可以改善腹部，让你的屁股紧绷，真的去伸展你的身体，让你精力充沛，我想做更多，我现在可以一周做七天。
美国卫生与公众服务部表示，只有三分之一的成年人每周能达到推荐的运动量。
词汇短语1. gym n. 健身房（全称：gymnasium）2. high-intensity a. 高强度的3. workout n. 锻炼，健身4. fitness n. 健康，健身5. carve out time 挤时间6. toxin n. 毒素7. interval n. 间隔，间歇8. rank v. 排列9. deliver v. 传递，传授获得更好的英语阅读体验请关注上海图书馆信使Wechat ID：shlibrary