目的：颈椎过伸是一种罕见的伴有肌病的脊柱畸形。
Objective. Cervical hyperextension is a rare spine deformity that is associated with myopathies.
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.
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.
目的：探讨椎管储备间隙减少的颈髓过伸性损伤的受伤特征和前路手术治疗效果。
Objective: To study the injury character of hyperextension injuries of cervical spinal cord and treatment effect of anterior surgery.
方法对下颈椎不稳症21例均采用正侧双斜位及摄X线动态颈椎侧位过曲过伸片。
Methods X-ray posteroanterior, lateral, double-oblique and dynamic lateral overflexional and overextensive views were performed on 21 patients.
方法用多功能手术台、C形臂X线机对31例胸腰段骨折脱位患者进行术中过伸复位研究。
Methods 31 cases of thoracolumbar fracture and dislocation have been studied during surgically hyperextensive reduction with multipurpose surgical table and C type X ray machine.
以包括过屈过伸的侧位放射平片和CT精细扫描三维重建进行随访，平均22个月（11-30个月）。
Follow-up averaged 22 months (range, 11-30 months). All were studied with plain radiographs, including flexion-extension lateral films and fine cut CT scans with reconstruction.
交通事故伤13例，头部重物砸伤6例，坠落伤、头面部撞击地面5例，颈椎过伸伤2例，其他原因2例。
The mechanisms of injury were traffic accident in 13 cases, bruise in 6 cases, falling down in 5 cases, hyperextension in 2 cases and other cause in 2 cases.
交通事故伤13例，头部重物砸伤6例，坠落伤、头面部撞击地面5例，颈椎过伸伤2例，其他原因2例。
The mechanisms of injury were traffic accident in 13 cases, bruise in 6 cases, falling down in 5 cases, hyperextension in 2 cases and other cause in 2 cases.
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