Is cervical spine rotation, as used in the standard vertebrobasilar insufficiency test, associated with a measureable change in intracranial vertebral artery blood flow?
{{output}}
Cervical spine rotation is used by manual therapists as a premanipulative vertebrobasilar insufficiency (VBI) test to identify patients at risk of developing VBI post-manipulation. Investigations of the effect of rotation on vertebral artery blood flow have yi... ...
