To prevent an upper-hamstring injury, you need to approach straight-leg forward bends gradually and with awareness, taking any pain near the sitting bone seriously.

预防上腘绳肌肌腱损伤，你需要渐进式地练习伸直膝盖的前屈，并且对一切坐骨区域的疼痛保持高度警惕。

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The results indicate that changing fixed connection into connection with damping can greatly reduce the injury index of upper leg and also improve the injury of lower leg.

结果表明，将连接方式从固定连接改为阻尼连接可大幅降低大腿伤害指标，对小腿伤害情况也有一定的改善作用。

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The hood stiffness is less important to the upper leg injury, while the other factors have significant effects.

大腿伤害值受发动机罩刚度影响较小，受其他因素影响较大。

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