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Manipulation Peak Forces Across Spinal Regions for Children Using Mannequin Simulators.
John J Triano1, Steven Lester2, David Starmer3
1Graduate Education and Research, Canadian Memorial Chiropractic College, Toronto, ON, Canada.
Journal of Manipulative and Physiological Therapeutics
|March 10, 2017
Summary
This study explored manipulation forces in pediatric care, finding that clinician-applied forces increase with child age but differ from consensus estimates. More research is needed to define safe and effective force targets for pediatric spinal manipulation.
Area of Science:
- Pediatric healthcare
- Manual therapy
- Biomechanical analysis
Background:
- Accurate force measurement is crucial for pediatric manipulation safety and efficacy.
- Existing literature lacks precise force data for pediatric spinal manipulation.
- Understanding force variability is essential for dose-response and safety studies.
Purpose of the Study:
- To create an exploratory database of manipulation treatment force variability.
- To correlate force variability with clinician intent and child's developmental category.
- To inform future dose-response and safety studies in pediatric manipulation.
Main Methods:
- Evaluated transmitted peak forces on pediatric mannequins of varying statures.
- Applied common spinal and sacroiliac joint manipulation procedures.
- Assessed force variability by an experienced pediatric manipulation practitioner.
Main Results:
- Mean force values increased with child category, aligning with general expectations.
- Measured peak forces showed a 2 to 3.5-fold discrepancy with consensus estimates, especially in older children.
- Quantitative data provide initial effect size estimates for future clinical trials.
Conclusions:
- Recalibration of spinal manipulation forces toward consensus values is achievable for experienced clinicians.
- The precise safe and clinically effective target force values for pediatric manipulation remain undetermined.
- Further research is required to establish evidence-based force parameters for pediatric care.

