3b. Vertical Position Sagittal CSF

CSF Flow in a Normal Volunteer in the Vertical Position.
(normal volunteer #7)

Ciné MRI of MS patient #3 exhibits an obstruction of dorsal CSF flow in the vertical position from C2/3 to C4/5 and an obstruction (absence of) of CSF flow ventrally below C2/3 when MS patient #3 is in the vertical position.