The atlanto-axial joint: physiological range of rotation on MRI and CT.


AIMS To measure the range of rotation and determine the instantaneous axis of rotation of the atlanto-axial joint in healthy volunteers using magnetic resonance imaging (MRI) and to highlight the appearances of the rotated atlanto-axial joint on computed tomography (CT) and MRI. MATERIALS AND METHODS Twenty-eight healthy volunteers were examined using MRI… (More)