These exercises are designed to develop and strengthen muscles.

这些练习是为了增强肌肉力量而设计的。

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Such aerobic activities can help blood flow to your back and promote healing. They also strengthen muscles in your stomach and back.

这些活动可以帮助血液流通到你的后背促进愈合，也可以增强你的腹部和背部的肌肉。

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You also might want to consult with an exercise specialist to learn the proper progression of activity, how to stretch and strengthen muscles safely, and how to correct poor posture habits.

可能你也需要咨询运动专家学会正确的运动顺序、如何安全的拉伸和增强肌肉、和如何纠正错误的姿势。

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improve your range of motion and strengthen those muscles, they get weaker during that process

改善你的运动范围并加强这些肌肉，它们就会在运动过程中变弱，

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And so, if you don't do anything to open those muscles up and strengthen your...

所以，如果你不做什么把这些肌肉打开，并且加强你的……

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Eventually, Jeter was able to learn new ways to strengthen the muscles in his legs and also create strategies on how to field ground balls by using efficient angles.

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Doing a step-up while holding a weight in the opposite hand of the leg you are stepping up with will help with balance and strengthen the muscles around the ankle, says Mr. Ordas.

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Inspired to ask for something on a daily basis, Popescu shows us all the everyday ways we can strengthen our asking muscles.

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