背景知识概要：少数关于颈椎过伸治疗的文献均取得了较好的临床疗效。

Summary of Background Data. The limited literature on the treatment of cervical hyperextension has good to excellent outcomes.

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目的探讨颈椎过伸性损伤的损伤机制、诊断、治疗方法及疗效。

Objective To study the mechanism, early diagnosis and treatment in patients with hyperextension injury of cervical vertebra.

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在C7神经根型颈椎病患者中，23%同时合并前臂旋前功能和伸肘功能减弱，另外，有10%患者只发现前臂旋前功能减弱。

In C7 radiculopathy subjects, forearm pronation weakness accompanies elbow extension weakness in 23% of subjects and was the only weakness in 10% of subjects.

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