Tempered steel shank supports and stabilizes your entire body, reducing foot and body fatigue.

回火钢柄支持和稳定你的整个身体，减少脚和身体的疲劳。

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The main reasons for sports injury are the overload on local muscle, incorrect technical movement and body fatigue.

局部运动负荷过大、技术动作不正确和身体疲劳是造成运动损伤的主要原因。

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This was due to the difference in cerebral excitement and body fatigue resulting from a workout during different periods, they said.

研究人员指出，这是由于大脑兴奋和机体疲劳程度不同造成的。

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High altitudes can tire the body, and fatigue plays a role in making people more susceptible to catching colds, too.

WSJ: Where Germs Lurk on Planes

Flu symptoms can include fever, cough, runny nose, body ache and fatigue.

BBC: US flu cases over epidemic threshold

But when my body breaks down with fatigue and insomnia, I start to listen.

FORBES: My Choice To Leave My Corporate Job In Search Of Something More