英语语法分析

Most frequent mechanism of the injury is hyperextension.

损伤机制多为过伸伤。

This action will also help prevent hyperextension of your knees.

这个动作也将帮预防膝关节超伸。

Learn to straighten your knees with full extension of your legs but without hyperextension.

学习通过完全伸展你的大腿来伸展你的膝关节，但不超伸。