介绍一种脊椎屈伸功能的X线连续动态摄影方法。该方法已经在飞行员脊椎检查中初步应用82例。主要观察以腰椎峡部裂为代表的脊柱不稳疾病的脊椎动态功能情况。 A method of X-ray continuous dynamic photography of spinal flexion and extension was introduced. The method has been initially applied in pilot spine examination in 82 cases. Mainly to lumbar spondylolysis as the representative of spine instability vertebral dynamic function.