一直以来学生都被告知运动前需要进行拉伸。
For generations, students were taught to stretch before playing games.
他说，出了实验室，大多数人做热身拉伸运动不会超过30秒。
Outside the lab, he says, most people are unlikely to hold a warm-up stretch for longer than about 30 seconds.
无一例外地，这些人都体验到了失重和身体被纵向拉伸的感觉。
Uniformly, these people experienced weightlessness and the sensation that their bodies were being stretched lengthwise.
像所有的健身房一样，它们有各种各样的器材来帮助锻炼身体不同部位的肌肉，比如实用的自行车、胸部拉伸机和跑步机。
Like all gyms, they have all sorts of things to help build up muscles in different parts of the body, like applied bicycles, chest stretching machines, and running machines.
书页通常使用的材料是羊皮纸，羊皮纸是一种动物的皮肤，其在张力的作用下被拉伸和变干，因此它会变得非常平整，并且你可以在上面写字。
The material typically used for the pages was parchment, which is animal skin that's stretched and dried under tension, so it become s really flat and can be written on.
现在感觉好多了，因为我做了拉伸。
下面的练习的关键是保持良好的姿势，拉伸不要看起来草率。
The key to the exercises presented below is to maintain good form and don't look sloppy stretching.
板块拉伸发生在俯冲带。
但是这些疼痛从何而来呢？根据德国教授康格里的说法，这种疼痛来自于以一种不寻常的方式拉伸你的肌肉。
But where do these pains come from? According to a German professor Kangri, the soreness comes from straining your muscles in an uncommon way.
据一个德国教授说，疼痛来自以不平常的方式拉伸你的肌肉，例如，骑上自行车兜风会疼痛，因为你已经很长时间没骑车了。
According to a German professor, the soreness comes from straining your muscles in an uncommon way, for example, jumping on a bicycle for a ride, because you haven't ridden in a long time.
我们进行了90秒的面部拉伸转弯和循环。
We blasted through face-stretching turns and loops for ninety seconds.
在做任何困难的运动如跑步之前，腿、手臂、背部和脖子要有充分拉伸。
You need to stretch your legs, arms, back and neck before you do any difficult activities like running.
一个德国教授认为，肌肉酸痛是因为肌肉拉伸的方式与平常有所不同，例如，长时间没有骑自行车之后再骑车兜风就会产生肌肉酸痛。
According to a German professor, the soreness comes from straining your muscles in an uncommon way. For example, jumping on a bicycle for a ride, because you haven't ridden in a long time.
这都是因为皮肤、肌肉和韧带拉伸的原故，也都属于正常现象。
Both are caused by the stretching of skin, muscles and ligaments, and both are normal.
这都是因为皮肤、肌肉和韧带拉伸的原故，也都属于正常现象。
Both are caused by the stretching of skin muscles and ligaments and both are normal.
然后呈现程序可以通过一定的方式拉伸图像，以适合指定的空间。
The renderer can then stretch the image in a certain way to fit the allotted space.
图3展示了文本域图像是如何拉伸的。
只要骶髂关节不被过度拉伸，它就会处于健康的状态。
The sacroiliac joint remains healthier if it is not stretched too much.
如果使用不正确的转换，图像将会被拉伸。
If the incorrect conversion is used, the image will be stretched.
我做一些拉伸活动。
如果要早晨锻炼，那么事先热身和拉伸肌肉非常重要。
If you exercise in the morning it is important to stretch and warm up your muscles.
这种方法可以有效的拉伸足跟筋膜和小腿排肠肌。
This directly stretches the plantar fascia and the calf muscles.
扭伤是由于过度拉伸而引起的韧带受伤。
A sprain is an injury to a ligament caused by excessive stretching.
拉伸是否可以预防受伤是难以确认的，如果你拉伸太多，或过度，事实上会增加你受伤的风险。
Whether or not stretching prevents injuries is difficult to prove. If you stretch too much, or too hard, you actually can increase your risk of injury.
倾斜头部，将右耳靠近右肩直到你有了拉伸的感觉。
Tilt you head, bringing your right ear to your right shoulder until you feel a stretch.
同样拉伸的时候不要蹦跳，以静态位置保持拉伸姿势最好。
Also, don't bounce while stretching. Holding your stretch in a static position works best.
对你的脊柱施加压力，然后拉伸。
如果热身时候感到任何肌肉紧张，停止慢跑，拉伸一下紧张的部位(但是不要把拉伸时间算到你的10分钟里面去)。
If you feel any muscle tightness while you're warming up, stop jogging for a moment and stretch out the tight area (but don't count this stretching time as part of your 10-minute minimum).
“这会对本已酸痛的跟腱造成更大的应力负担，”他说，同时补充道，应注意避免过度拉伸练习，尤其是不要做面向阶梯的拉伸练习。
"It puts too much stress on the already sore tendon," he says, adding that you should use caution and avoid overstretching, in particular on stair stretches.
为了导出侧边栏，主体区域现在暂时的使用垂直拉伸。
In order to export the sidebar, the main content area is temporarily stretched vertically.
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