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typeracer

Pit Stop

Record your races with a typeracer account:

Create Your Account
  • Save your race history and scores.
  • Customize your profile and racecar.
  • It’s free, why not?
有两种类型的纤维在我们的肌肉,红色和白色。当长途运行,他是一个运动员的基础训练或她比他的小腿肌肉白肌纤维更红肌纤维。阿短跑选手有更多的白色肌肉。如果你再培训马拉松运动员是一个短跑运动员,肌肉纤维的大部分将转换为白色肌肉。
Language: Chinese
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