1. Study evaluates the effects of whole-spine manual therapy on cervical vertigo. 2. Participants aged 18-75 enrolled, with 138 total participants. 3. Three groups: synergistic manual therapy, cervical-only manual therapy, and control. 4. Main measure: Dizziness Handicap Inventory for vertigo severity. 5. Safety monitored with adverse events recorded. 

Source: Journal of Orthopaedic Surgery & Research