Manual but Not Instrument-Assisted Cervical Manipulation Reduces Pain and Disability in Subjects with Nonspecific Neck Pain: Double-Blinded, Randomized Clinical Trial

There is limited evidence comparing the effects of manual and instrumented-assisted manipulations among adults with neck pain. Our purpose was to determine a multisession regime instrument-assisted cervical manipulation on pain, disability, perception change, muscle properties in subjects nonspecific We conducted double-blind, randomized, placebo-controlled study 32 Two groups received three sessions (C3/C4) manipulation, one group other instrument-assisted, third sham fourth served as control. Self-reported pressure pain thresholds, patient (tonus, stiffness, elasticity) upper trapezius biceps brachii were assessed at baseline, immediately after first session 15 days end intervention. After intervention, percentage changes visual analogue scale score, Neck Disability Index, Patient Global Perception Change score significantly higher comparison (p < 0.05). No between-group differences observed tonus, elasticity four muscles concluded that C3/C4 improved disability