Spinal manipulation may increase neck movement; clinical benefits remain a separate question
A review involving people with and without symptoms found evidence of increased neck movement after neck or upper-back manipulation. Links between mechanical changes and pain or disability outcomes were largely unexamined.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Quick, small-movement spinal manipulation appeared to increase neck range of motion in the reviewed trials, whether applied to the neck or upper back. Findings for other spinal movement, joint spacing, and stiffness were less conclusive. Increased movement is a mechanical outcome and does not itself establish reduced pain or disability, which the review rarely linked to these measurements.
Only 1 study linked mechanical measurements to clinical outcomes, and it raised bias concerns. The studies varied in participants, intervention frequency, and outcomes, limiting conclusions beyond the reported neck-movement findings.
Movement was the main measured outcome
Range of motion means how far a body region can move. The clearest evidence concerned neck movement after neck or upper-back manipulation. Effects on movement in the upper and lower back were less clear in the reviewed studies.
Other mechanical findings were limited
Some studies found increased spacing at spinal joints compared with side-posture positioning, while the stiffness study found no effect. The reviewers judged the evidence for outcomes beyond neck movement too limited and varied for sound conclusions.
The original publication
Systematic review on biomechanical effects of high-velocity, low amplitude spinal manipulation.
Langenfeld A, Baechler M, Swanenburg J et al.
PLoS One · 2025
- PubMed ID
- 40680063
- Record checked
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