这样可以使马先收缩肌肉然后放松。
你收缩肌肉后再跳。
只要通过简单地放松肌肉，拉伸收缩肌肉，就能提高血液循环并促进氧化作用。
Quite simply by unwinding your muscles, by stretching and contracting them, and improving the blood circulation and oxygenation.
在恢复的两周后，快速收缩肌肉纤维显示显著增强了肌肉能量，收缩速度以及力度。
After about two weeks of taper, fast-twitch muscle fiber shows greatly increased muscle power, contraction speed and force.
它可以归结为一个事实，人类的血液里必须有钙，那样我们才能做各种事情，从收缩肌肉到神经冲动。
It comes down to the fact that we human beings need calcium in our blood-it allows us to do all sorts of neat things, from contracting muscles to conducting nerve impulses.
如果我们知道哪些肌肉与微笑相联系，我们可以通过收缩肌肉来使一个不高兴的表现的高兴吗？
If we know which muscles are associated with smiling, can we cause a person that is not happy to feel happy due to having those muscles contracted?
咀嚼口香糖能收缩肌肉，调整脸部肌肤，逐渐减少皱纹沟形成的深度，甚至可以消除一些细小的皱纹。
Chewing gum to muscle contraction, adjusting the facial skin, wrinkles gradually reduce the depth of groove formation, or even eliminate some small wrinkles.
一些研究显示，恢复的最大的受益者产生于快速收缩肌肉纤维中，这种类型的肌肉，主要是冲刺(短距离)运动员使用的。
Some research has shown that the greatest benefits from taper occur in fast-twitch muscle fiber, the type of muscle primarily used by sprinters.
此项训练包括伸展和收缩腿部肌肉。
The exercise consists of stretching and contracting the leg muscles.
心脏肌肉收缩以挤压出血液。
最常见的头痛类型是紧张或肌肉收缩。
The most common type of headache is a tension or muscle contraction.
如果肌肉收缩，色袋就会膨胀，你就会看到不同的颜色。
If the muscle's contract, then the sack expands, and you can see the colors.
面部肌肉的收缩既能影响人的内心情绪，又能将它反映出来。
The contraction of facial muscles both influences the internal emotional state and reflects it.
人造肌肉能在收缩过程中产生电力。这种电力未来甚至能为手机充电。
Artificial muscles can generate electricity during constriction. The electricity may even charge up your mobile phone.
在这项运动中，肌肉是在延伸而不是在收缩。
In this exercise, the muscles are elongating rather than contracting.
面部肌肉因紧张而收缩会加强这种刺激，如人们感到恐惧时所表现出的肌肉收缩。
Intense contraction of facial muscles, such as those used in signifying fear, heightens arousal.
压力过大、压抑或者焦虑引起的肩膀、颈部、头皮和下巴的肌肉收缩往往是导致紧张性头疼的原因。
Often due to tight, contracted muscles in your shoulders, neck, scalp, and jaw, tension headaches result from stress, depression, or anxiety.
一种智能织物通过太阳能取得能量；另一种在通电后能像人造肌肉那样收缩。
One smart fabric generates energy from sunlight; another contracts like an artificial muscle when a voltage is applied.
活跃的肌肉收缩产生所有物质，它们对身体如何利用和储存糖类和脂肪具有有益的影响。
Actively contracting muscles produce a whole suite of substances that have a beneficial effect on how the body USES and stores sugars and fats.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
很多人收缩他们的肌肉很慢，但是放松很快。
Slow lifting. Many people contract their muscles slowly and then release more quickly.
当它收缩的时候，这些肌肉向外泵出大约2盎司(59毫升)的血液，而且在人的一生中它不断地工作。
When it contracts, the muscle pumps about 2 ounces (59 milliliters) of blood, and is constantly working over a lifetime.
当身体努力产生热量时，你会感到一种无法控制的肌肉收缩。
As the body is trying to generate it's own heat you will develop uncontrolled muscle contraction.
腿部的肌肉群很大以至于肌肉整体不会收缩，他说。
The muscles in the legs are so large that the whole muscle does not contract, he says.
这名英国人有支机械手臂，他通过收缩肩膀的肌肉来控制这支手臂。
The British man has a robotic arm, which he controls by flexing muscles in his shoulders.
这种控制晶体形状的调焦肌肉(睫状肌)，长期处于收缩状态。
The focusing muscle (ciliary muscle), which controls the shape of the lens, is thus in a constant state of contraction.
这种控制晶体形状的调焦肌肉(睫状肌)，长期处于收缩状态。
The focusing muscle (ciliary muscle), which controls the shape of the lens, is thus in a constant state of contraction.
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