The Journal of orthopaedic and sports physical therapy
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J Orthop Sports Phys Ther · Jun 2007
Randomized Controlled TrialImmediate effects on pressure pain threshold following a single cervical spine manipulation in healthy subjects.
A placebo, control, repeated-measures, single-blinded randomized study. ⋯ The application of a manipulative intervention directed at the posterior joint of the C5-6 vertebral level produced an immediate increase in PPT over the lateral epicondyle of both elbows in healthy subjects. Effect sizes for the HVLA thrust manipulation were large, suggesting a strong effect of unknown clinical importance at this stage, whereas effect sizes for both placebo and control procedures were small, suggesting no significant effect.