This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'The lumbar region of the vertebral column permits all of the following movements except - \nSelect and explain. \nA. Flexion, B. Extension, C. Lateral flexion, D. Rotation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The least permissible movement at lumbar spine is rotation (only 5°).\nFlexion, extension, lateral flexion and rotation are the movements that occur in cervical, thoracic and lumbar spine; with an extra nodding movement at atlanto - occipital joint (i.e. cervical spine) and no movements at sacral and coccygeal spine.', 'role': 'assistant'}]