These fractures may be unstable if there is an associated shear component or marked hyperextension .

如何合并剪切或显著的过伸，则骨折为稳定。

Wrist hyperextension leads to median nerve conduction block - implications for intra-arterial catheter placement .

腕高度外展导致正中神经传导阻滞-对动脉内导管置入的意义。

Three common traumatic patterns : hyperextension , flexion , and vertical compression , could be the possibly underlying injury mechanisms of the central cervical cord syndrome according to the results of the current finite element analysis .

根据当前的有限元分析，3种共有损伤模式：过伸、屈曲和垂直压缩可能是颈中央脊髓综合症的基本损伤机制。

To analyze the materials science characteristics of several ankle-foot orthosis materials , and to investigate the application of ankle foot orthoses in the treatment of knee hyperextension in children with cerebral palsy .

分析几种踝足矫形器的材料学特点，探讨各种材料的踝足矫形器在治疗脑性瘫痪患儿膝反张中的应用情况。