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有氧运动,未必有用|科学60秒


有些人,天生就不适合做有氧?

呼呼有氧|@Unsplash
 
长期坐在室内学习上班的你,可能早就想出门做做运动了,不过先等等,出门前不如先看看一项研究:科学家发现,并不是所有人都能从有氧运动中得到好处。这项研究发表于《应用生理学杂志》(Journal of Applied Physiology)。

为了保持健康,许多人都会选择慢跑、游泳或者是去健身房,避免患上心脏病、糖尿病之类的疾病。有氧运动理论上是一种有效的健身方式,因为它可以锻炼心肺,让全身的血液加速流动,从而提高一项叫做“最大摄氧量”(VO2 max)的指标,也就是运动时组织细胞所能消耗或利用的氧气最高值。最大摄氧量越高,意味着你越健康。但在这项研究中,科学家发现严格的有氧运动并不会明显提高所有人的最大摄氧量:研究中有五分之一的受试者……[查看全文]




Aerobic Exercise Boosts Fitness--For Most


You’ve probably promised yourself to get off the couch and get some exercise. But before you get up, you might be interested to know that new research suggests that not everyone will benefit from a good aerobic workout. The study appears in the Journal of Applied Physiology.

Many of us jog or swim or hit the gym in an attempt to keep fit, and to help ward off ailments like heart disease and diabetes. And aerobic exercise, which really gets your heart pumping and your blood flowing, is supposed to be the way to go. Because cardiovascular training generally increases what’s called the VO2 max, which is a measure of your ability to get oxygen to your hardworking muscles. The higher your VO2 max, the more fit you are. But in this study, scientists found that rigorous exercise does not boost everyone’s VO2 max. One in five participants...[full transcript]




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论文信息

Timmons, J.A. et al. (2010) “Using molecular classification to predict gains in maximal aerobic capacity following endurance exercise training in humans,” Journal of Applied Physiology, 108(6), pp. 1487–1496.

DOI: 10.1152/japplphysiol.01295.2009



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