Evidence map›Paper›PMID 25841562›Full record

ArticleManual therapy2015

Neural responses to the mechanical characteristics of high velocity, low amplitude spinal manipulation: Effect of specific contact site.

William R Reed, Cynthia R Long, Gregory N Kawchuk, Joel G Pickar

Abstract readComparative Study
In one paragraph

Article in Manual therapy, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
3.7field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 36 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

William R ReedPalmer Center for Chiropractic Research, Davenport, IA, USA.
Cynthia R LongPalmer Center for Chiropractic Research, Davenport, IA, USA.
Gregory N KawchukUniversity of Alberta, Edmonton, Alberta, Canada.
Joel G PickarPalmer Center for Chiropractic Research, Davenport, IA, USA. Electronic address: pickar_j@palmer.edu.
Palmer College of Chiropractic · USUniversity of Alberta · CA

Funding

Vertebral Displacements & Ligament Strains during Simul. Spinal Mani./Gudavalli,RU19AT004137 · NCCIH · PALMER COLLEGE OF CHIROPRACTIC · PI PICKAR, JOEL G · 2007 to 2010
$4.5M
RENOVATION OF PALMER CENTER FOR CHIROPRACTIC RESEARCHC06RR015433 · NCRR · PALMER COLLEGE OF CHIROPRACTIC · PI MEEKER, WILLIAM C · 2000 to 2000
$1.3M
Effect of Lumbar Hypo & Hypermobility on Sensory Responses to Spinal ManipulationK01AT005935 · NCCIH · PALMER COLLEGE OF CHIROPRACTIC · PI REED, WILLIAM RAY · 2010 to 2014
$638k
NCCIH NIH HHS K01 AT005935NCCIH NIH HHS U19 AT004137NCRR NIH HHS C06 RR015433NCRR NIH HHS C06 RR15433PHS HHS U19 AAT004137
6 · The paper itself

Abstract

backgroundSystematic investigations are needed identifying how variability in the biomechanical characteristics of spinal manipulation affects physiological responses. Such knowledge may inform future clinical practice and research study design.

objectiveTo determine how contact site for high velocity, low amplitude spinal manipulation (HVLA-SM) affects sensory input to the central nervous system.

designHVLA-SM was applied to 4 specific anatomic locations using a no-HVLA-SM control at each location randomized in an 8×8 Latin square design in an animal model.

methodsNeural activity from muscle spindles in the multifidus and longissimus muscles were recorded from L6 dorsal rootlets in 16 anesthetized cats. A posterior to anterior HVLA-SM was applied through the intact skin overlying the L6 spinous process, lamina, inferior articular process and L7 spinous process. HVLA-SMs were preceded and followed by simulated spinal movement applied to the L6 vertebra. Change in mean instantaneous discharge frequency (ΔMIF) was determined during the thrust and the simulated spinal movement.

resultsAll contact sites increased L6 muscle spindle discharge during the thrust. Contact at all L6 sites significantly increased spindle discharge more than at the L7 site when recording at L6. There were no differences between L6 contact sites. For simulated movement, the L6 contact sites but not the L7 contact site significantly decreased L6 spindle responses to a change in vertebral position but not to movement to that position.

conclusionsThis animal study showed that contact site for an HVLA-SM can have a significant effect on the magnitude of sensory input arising from muscle spindles in the back.

Indexed as

AnimalsBiomechanical PhenomenaCatsElectric StimulationManipulation, SpinalModels, AnimalMuscle SpindlesParaspinal MusclesPressureRandom AllocationSensory ThresholdsDoseManual therapyMuscle spindlesSpecificitySpinal manipulation

Identifiers

PMID25841562
PMCPMC4584162
OpenAlexW1990193680

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.