Flexion-extension radiographs taken at the end-range of movement will capture only the function of the passive stabilizing subsystem and fail to address the active and neural control subsystems.

• 腰椎屈伸侧位片拍摄的是腰椎活动的最后阶段，只反应了脊柱被动系统的功能，而没有反应主动系统和神经控制系统的功能。