Supine Roll Test
Video demonstrates the supine roll (Pagnini-McClure) test to determine the affected side in horizontal canal benign paroxysmal positional vertigo. The side that induces the most intense horizontal positional nystagmus is presumed to be the affected side.
Reproduced with permission from Fife TD, Iverson DJ, Lempert T, et al. Practice parameter: therapies for benign paroxysmal positional vertigo (an evidence-based review): report of the Quality Standards Subcommittee of the American Academy of Neurology.
CONTINUUM: Lifelong Learning in Neurology. 18(5, Neuro-otology):1060-1085, October 2012