When you use your muscles beyond what they can handle, either through aerobic exercise or weight bearing exercise, it causes your body to build new muscle tissue.
当你用你的肌肉做些有难度的活动时，不论是有氧运动还是负重运动，都会让你的身体建立新的肌肉组织。
Your self-control "muscle" is just like the other muscles in your body — when it doesn't get much exercise, it becomes weaker over time.
你的自我控制“肌肉”就像你身体的其他肌肉一样——当它没有得到大量锻炼的时候，它会随着时间变弱。
Yet another great way of relaxing is an exercise where you tense each muscle in your body, one body part at a time, and then let the tensed muscle relax.
另一个很妙的放松方法就是锻炼。锻炼能拉紧你的每块肌肉，每次锻炼身体的一部分，然后让紧绷的肌肉放松。
Muscle burns more calories than fat. So adding strength training to your exercise routine can help you reach your weight loss goals as well as give you a toned bod.
肌肉里储藏的卡路里比脂肪多，所以增加日常的力量锻炼可以帮助你达到减肥的目的，同时也使你成为一个强壮的人。
If you're experiencing what you believe to be stress-related muscle symptoms, try this exercise: Take 5 to 10 deep breaths and focus on relaxing the tense area of your body, says Dr. Lombardo.
Lombardo博士认为：如果你觉得你有与压力有关的肌肉症状，不妨试试以下的动作：深呼吸5到10次并专心地放松你身体紧绷的部位。
At least that's the common belief, which holds that a regular schedule of cognitive exercise can bulk up8 your brain with new neurons, the same way vigorous weight lifting can build muscle mass.
至少大多数人都相信，定期做有规律的思维练习可以在大脑中注入新的神经元，就像努力进行举重训练可以增强身体的肌群一样。
Just like any other muscle in the body, the brain requires exercise to keep it strong and healthy, so the phrase "use it or lose it" is particularly apt when it comes to your mind.
正如身体其他部位的肌肉，大脑也需要通过锻炼来保持强壮和健康，所以有句话怎么说来着“不用就失去”，这对脑力尤其适用。
When you do one month of regular exercise, your body ditches those excess fats and gains muscle.
当你做一个月的定期运动之后，你的身体会清除那些多余的脂肪，让你身体的肌肉增多。
Not only does exercise improve your bone health, it also increases muscle strength, coordination, and balance, and it leads to better overall health.
运动不但促进骨骼健康，而且增加肌肉强度、协调能力和平衡能力，促进全面身体健康。
The ideal athletic effect can promote the blood circulation, keep your body soft nimble, control weight gain, exercise the muscle, but not to you or baby produce excess body pressure.
理想的运动效果可以促进你的血液循环，保持身体柔软灵活，控制体重的增加，锻炼肌肉，但不会对你或宝宝造成过度的身体压力。
Whey protein helps your body immediately build and rebuild muscle after exercise, while plant-derived digestive enzymes help your body process protein more efficiently.
乳清蛋白可以帮助您的身体立即建立和重建肌肉运动后，而植物源性消化酶帮助你的身体增加蛋白更有效。
Whether it's altering your diet or getting more aerobic exercise, even building muscle mass, it's important to set goals for improvement.
不管是改善饮食还是进行更多的有氧运动，甚至是锻炼肌肉块，确定目标对事情的进展十分重要。
The best way to avoid muscle aches is to start slowly and incorporate gentle stretches into your pre-exercise warm-up and post-exercise cooldown.
避免肌肉疼痛的最好方法是慢慢开始，在热身活动和锻炼后的休整中进行温和的伸展运动。
You must exercise on a regular basis, continually using every muscle and joint of your body to keep it limber and fit.
你必须保持定期运动和锻炼，经常性的增加一些肌肉训练以保持身体的活力和健康。
Because if you strain a muscle or hurt your back, then you won't be able to exercise for a couple weeks. Right?
因为如果你拉伤肌肉或伤了背部，之后几周都没法运动了，对不对？
Because if you strain a muscle or hurt your back, then you won't be able to exercise for a couple weeks. Right?
因为如果你拉伤肌肉或伤了背部，之后几周都没法运动了，对不对？
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