The average time period for the development of adjacent segment degeneration might be shortened after spinal fusion with instrumentation.The main reason was stress and hyperm...

• 加行内固定术患者发生邻近节段退变的时间缩短,其原因主要是融合内固定术后邻近节段所受压力增加,活动度增大以及术后脊柱曲度不良。