An ankle foot orthosis (AFO) with a fixed ankle dorsiflexion angle can help prevent knee hyperextension. 不知到妳说的角度做大一些是怎麽定义的？
The inferior piriform recess in hyperextension supine position mostly located at the level of C4 and C5 (79.7%). 仰卧仰头位梨状隐窝下极位置79.;7%25位于C4和C5椎体水平。
Medial lateral aluminum stays with hyperextension stop. Opposing loop lock straps above and below open patella. 内外侧设有铝金属片，特别设计防止膝盖过度伸直。膝盖上方及下方设有皮带。
If it is short and tight, it will pull the upper ends of the tibia and fibula backward, contributing to hyperextension. 如果这块肌肉肌纤维短并且僵紧，它会把胫骨和腓骨的上部向后拉，造成超伸。
Of course, you want to practice your poses in a way that won't increase hyperextension and knee instability. 当然，你不想因为练习体式加剧膝盖超伸和膝盖不稳定的情况。
Back hyperextension : Lying on stomach, extend the body, let arms and legs fully stretch out . 山羊挺身(上图)：俯卧，伸展身体，双腿和双臂向四周充分伸展。
