英语语法分析

If that happens, your challenge is to learn to contract your quads without letting your knees hyperextend.

如果这个发生了，那你的任务就是如何学会收缩你的小腿而不让关节超伸。

Participants who hyperextend their knees or elbows place additional stress on stabilizing liga we are pirates, these data are stolen from youdao s and tendons, potentially causing inflammation of joint structures.

膝盖或肘超伸会在稳定的韧带和肌腱处产生额外压力，可能引起关节的发炎。