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什么是易疲劳性?

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2019年07月10日

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What is fatigability?

什么是易疲劳性?

The day has barely started and already you're thinking a nap would be nice. You're yawning while you walk the dog, can barely focus on your computer screen and have been mainlining caffeine. Why are you always so darn tired?

这一天才刚刚开始,你就已经想小睡一下了。你在遛狗的时候打哈欠,看电脑时几乎不能集中注意力在屏幕上,而且一直在喝咖啡。你为什么总是这么累?

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You may be tired from a bad night's sleep or from a big workout. (Photo: WHYFRAME/Shutterstock)

Researchers the University of Gothenburg in Sweden explain it this way: "'Fatigue' simply refers to a state of being very tired or not being able to maintain expected force. 'Fatigability' is a measure of how fast someone gets tired."

瑞典哥德堡大学的研究人员是这样解释的:“‘疲劳’只是指非常疲劳或无法保持预期力量的状态。“‘疲劳程度’是衡量一个人疲劳的速度。”

And people might be tired for different reasons. One might have tossed and turned all night and just didn't sleep well, while another might have been up early to go for a run before work.

人们可能因为不同的原因而感到疲倦。一个人可能整晚翻来覆去睡不好觉,而另一个人可能在上班前早早起床去跑步。

Both people might rate their fatigue the same, but it's hard to compare the results since the reasons behind them are so different.

两个人对疲劳的评价可能是一样的,但是很难比较结果,因为他们背后的原因是如此不同。

Comparing fatigability, on the other hand, puts them on a much more even playing field. To measure fatigability, researchers ask participants to do the exact same tasks and measure how quickly they get tired.

另一方面,与疲劳程度相比,他们的竞争环境更加公平。为了测量疲劳程度,研究人员要求参与者做完全相同的任务,并测量他们疲劳的速度。

For example, they may be asked to walk slowly on a treadmill. Jennifer Schrack, an associate professor in the department of epidemiology at the Johns Hopkins Bloomberg School of Public Health in Baltimore, has helped develop new ways to measure fatigability, according to Consumer Reports. By having participants walk on a treadmill, she can compare how tired people get from doing the same thing.

例如,他们可能被要求在跑步机上慢慢走。据《消费者报告》?#30130;?#24052;尔的摩约?#19981;?#26222;金斯大学彭博公?#21442;?#29983;学院流行病学副教授詹妮弗沙克帮助开发了衡量疲劳程度的新方法。通过让参与者在跑步机上行走,她可?#21592;?#36739;人们做同样的事情会有多累。

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Shake off fatigue by getting out and taking a walk. (Photo: Marharyta Demydova/Shutterstock)

Although you could be tired from sleepless nights, stress or just major bursts of activity, being fatigued can also be a symptom of a health issue. Fatigue can be a symptom of anemia, allergies, depression, anxiety, heart disease, fibromyalgia, rheumatoid arthritis, sleep apnea, Type 2 diabetes, hypothyroidism and many more conditions, reports WebMD.

尽管你可能会因为失眠、压力或剧?#20197;?#21160;而感到疲惫,但疲劳?#37096;?#33021;是健康问题的症状。疲劳可能是贫血、过敏、抑郁、焦虑、?#33041;?#30149;、纤维肌痛、类风湿关节炎、睡眠呼吸暂停、2型糖尿病、甲状腺功能减退等病症的症状。

It's normal for people to be tired every once in a while. But if your fatigue is more than just occasional, check in with your doctor to see if there's a medical reason behind it.

人们?#32423;?#24863;到疲劳是正常的。但是如果你的疲劳不仅仅是偶然的,去看一下你的医生,看看这背后是否有医学上的原因。


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