A person is referred to physical therapy with a report of no…

A person is referred to physical therapy with a report of non-spinning dizziness and unsteadiness. Past medical history is positive for whiplash injury 2 years ago. Upon testing, the physical therapist notes the following: Multi-planar restriction in neck range of motion No red flags present No spontaneous or gaze-evoked nystagmus noted Normal smooth pursuit, saccades, and VOR cancellation  Negative head thrust test, dix-hallpike test, and supine roll test  Dizziness is provoked when the body is rotated upon a fixed head position  Abnormal joint position error noted with Cervical Relocation Test (off by 8 degrees) Based on this information, that patient’s symptom of dizziness is MOST consistent with which of the following conditions?

During examination of a person with “dizziness”, the physica…

During examination of a person with “dizziness”, the physical therapist completes a test with the patient sitting on a swivel chair. The therapist instructs the patient to extend their arms in front of them and maintain visual fixation on their thumbnail. The therapist then rotates the person in the chair, keeping their head and trunk in alignment. Which test of vestibular function does this procedure describe?