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I had an interesting conversation with a fitness instructor just now.我有一个有趣的健身教练刚才的谈话。 He told me that our muscles are stupid.他告诉我，我们的肌肉是愚蠢的。

Muscles are stupid? What the heck is he talking? 肌肉是愚蠢的？他到底是什么问题呢？

His explanation – Muscles only recognize two things, whether they are being stretched or in tension.他的解释 - 肌肉只承认两件事情，无论他们是在被拉伸或紧张。 They will not know whether the stretch is caused by Yoga or weight lifting or Karate kicking.他们不会知道是否是由瑜伽伸展或重量造成取消或空手道踢。 As for tension, it happens when we place resistance on the muscles.至于紧张，它发生在我们地方上的肌肉阻力。 Again, whether the resistance comes from your grocery bags, dumbbell, barbell or even body weight, our muscles will not know.同样，你是否抵制食品袋，哑铃，杠铃，甚至身体的重量来了，我们的肌肉会不知道。

True enough.说的不错。 Now, wonder what is he trying to tell me?现在，不知道什么是他想告诉我？ (more…) （更多...）

For people who prefer to exercise outdoor or swim at the sea, it is important to know the damaging side of sun.人谁喜欢户外运动，或在海上游泳，重要的是要知道太阳有害的一面。 Contrary to belief, a tan is not a sign of good health.相反的信念，晒黑是不是一个良好的健康的标志。 If skin is exposed to sunlight for long hours, redness may develop.如果皮肤长时间暴露在阳光下，发红可能发展。 So, suntan is a condition showing skin damage.所以，防晒是皮肤损伤的条件显示。 The pigment is a response as a shield to slightly decrease skin damage.这种色素是作为挡箭牌回应略有减少皮肤的损害。 Severe sunburn causes skin tenderness, pain, swelling and blistering.严重的晒伤会导致皮肤压痛，疼痛，肿胀，出现水泡。

It is impossible to completely avoid sunlight, but you should know about the precautions that you can take.这是不可能完全避免阳光，但你应该知道，你可以采取预防措施。 Before we talk about preventive measures, let's understand a little bit more about sun light – UVA and UVB rays:在我们谈论的预防措施，让我们了解一点点关于阳光 - 紫外线A和紫外线B更多： (more…) （更多...）

Most people prefer to count up when they are counting each repetition when they lift weight.大多数人喜欢计数时，计数每个重复时，升降机的重量。 But, have you ever counting down?但是，你有没有倒数？

Actually, counting down is common too, when you are having a pre-set time to run on the treadmill, set 10 minutes.其实，倒计时也很常见，当您有一个预先设定的时间在跑步机上运行，设置10分钟。 But, let's not focus about this counting down on treadmill or elliptical trainer.但是，我们不要对重点倒数跑步机或椭圆形的教练这一点。

For weight lifting, instead of counting each rep in 1, 2, 3, 4…you can count backward or down like 8, 7, 6, 5…until you finish the set.对于举重，而不是在1计数，每个代表处2，3，4 ...你可以指望向后或向下喜欢8，7，6，5 ...直到你完成设置。 I do that when I am doing我这样做，当我在做 squat 蹲 , ， deadlift deadlift and和 pull up 拔 . 。 (more…) （更多...）

Many are using cardiovascular exercise machines to burn calories, build stamina, reduce stress and other benefits including toning the butt.许多正在使用机器的心血管锻炼燃烧卡路里，建立耐力，减轻压力，包括调子的对接其他福利。 Yes, many girls are guys want to have nice bums.是的，很多女孩都希望有一个好的球员烧伤。 So, it will be good if we know which cardio machine offers great help in this aspect.因此，这将是很好的，如果我们知道哪些心肺机在这方面提供了很大的帮助。 Isn't treadmill,是不是跑步机， elliptical trainer 椭圆机 , StairMaster, stationary bike or rowing machine? ，StairMaster，固定自行车或划船机吗？

According to a finding, here are the results showing how much glute muscles are activated with different cardio machines:据一项调查结果，在这里，结果显示有多少glute肌肉与心脏不同机器激活： (more…) （更多...）