Understanding inhibitory mechanisms of lumbar spinal manipulation using H-reflex and F-wave responses: A methodological approach

Dishman, J. Donald; Weber, Kenneth A.; Corbin, Roger L.; Burke, Jeanmarie R.

doi:10.1016/j.jneumeth.2012.07.014

Cited by 7 publications

(5 citation statements)

References 57 publications

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“…48,49 Moreover, ventral horn motor neuron excitability in the lumbar spine is reliably attenuated following SMT applied to the lumbar spine in human subjects. 21 Recent studies employing functional magnetic resonance imaging (fMRI) have observed supra-spinal changes following manual therapy. The blood-oxygen-level-dependent (BOLD) signal associated with a painful pressure stimulus is reduced in several cortical regions following thoracic SMT.…”

Section: Discussionmentioning

confidence: 99%

Comparison of 2 Lumbar Manual Therapies on Temporal Summation of Pain in Healthy Volunteers

Penza

Horn

George

et al. 2017

The Journal of Pain

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The purpose of this study was to compare the immediate change in temporal summation of heat pain (TSP) between spinal manipulation (SMT) and spinal mobilization (MOB) in healthy volunteers. Ninety-two volunteers (24 males; 23.8 ± 5.3 years) were randomized to receive SMT, MOB or no treatment (REST) for one session. Primary outcomes were changes in TSP, measured at the hand and foot, immediately following the session. A planned subgroup analysis investigated effects across empirically derived TSP clusters. Primary outcome: There were no differences in the immediate change in TSP measured at the foot between SMT and MOB, however both treatments were superior to the REST condition. Subgroup analysis: The response to a standard TSP protocol was best characterized by three clusters: 52% no change (n = 48, 52%); facilitatory response (n = 24, 26%), and inhibitory response (n = 20, 22%). There was a significant time by treatment group by cluster interaction for TSP measured at the foot. The inhibitory cluster showed the greatest attenuation of TSP following SMT and MOB when compared to REST. These data suggest lumbar manual therapies of different velocities produce a similar localized attenuation of TSP, compared to no treatment. Attenuation of localized pain facilitatory processes by manual therapies was greatest in pain-free individuals who demonstrate an inhibitory TSP response. Perspective The attenuation of pain facilitatory measures may serve an important underlying role in the therapeutic response to manual therapies. Identifying patients in pain who still have an inhibitory capacity (i.e. an inhibitory response subgroup) may be useful clinically in identifying the elusive “manual therapy” responder.

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Section: Discussionmentioning

confidence: 99%

Comparison of 2 Lumbar Manual Therapies on Temporal Summation of Pain in Healthy Volunteers

Penza

Horn

George

et al. 2017

The Journal of Pain

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“…Additionally spinal manipulation has been shown to decrease electromyography activity of the paraspinal muscles in individuals with increased muscle activity of the paraspinal muscle bundles [29]. Afferent input at the talocrural joint mechanoreceptor level could have conceivably affected corresponding efferent output to the gastrocnemius muscle, either through decreased excitability of spinal reflexes [30] or through the use of monoaminergic systems [16]. It is possible that our intervention used inhibitory mechanisms at the central nervous system level to decrease muscle stiffness, but the exact mechanisms (pre-synaptic inhibition, arthrogenic muscle inhibition, 1B inhibition, monoamineric drive, etc.)…”

Section: Discussionmentioning

confidence: 99%

The effect of manual therapy on gastrocnemius muscle stiffness in healthy individuals

et al. 2019

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Study Design: Randomized clinical trial. Background: Muscle stiffness is a potential complication after injury and has been shown to be a risk factor for injury in healthy individuals. Objectives: The primary purpose of this study was to assess the short-term effects of manual therapy (MT) on muscle stiffness of the gastrocnemius in both a relaxed and contracted state. The secondary purpose was to assess the reliability of a novel clinical tool (MyotonPRO) to measure muscle stiffness in the gastrocnemius in both a passive and contracted state. Methods: Eighty-four consecutive healthy individuals were randomized to receive Manual Therapy (MT group) directed at the right-side ankle and foot or no treatment (CONTROL group). Muscle stiffness of the gastrocnemius was assessed bilaterally in all participants at baseline and then immediately after intervention in a relaxed and contracted state. Group (MT vs. CONTROL) by side (ipsilateral vs. contralateral) by time (pre vs. post) effects were compared through a 3-way interaction utilizing mixed model ANOVA. Reliability of the MyotonPRO was assessed with twoway mixed model intraclass correlation coefficients. Results: There was a significant 3-way interaction for muscle stiffness of the gastrocnemius in a relaxed state (p < .01), but not contracted state (p = .54). All conditions had increased resting muscle stiffness from pre to post measures except for the ipsilateral limb of the MT group. There was not a significant interaction for muscle stiffness in a contracted state. Reliability estimates (ICC) for muscle stiffness measures ranged between .898 and .986.

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“…Experimental evidence accumulated to date indicates that SM could have an impact on the afferent neurons from paraspinal tissues and directly influences muscle spindle afferents and Golgi tendon organs, which are directly involved in muscle tone regulation. 6,7,8,9,11,12 Previous studies conducted on stroke patients and CP children provided only descriptive information about such influence. 13,14,15 Muscle spasticity was the primary outcome measure of the study.…”

Section: Discussionmentioning

confidence: 99%

“…10 Decrease in motoneuron excitability (H-reflex) after sacroiliac joint manipulation was observed in patients with low back pain. 11,12 There are several clinical studies suggesting the influence of SM on spasticity. Decrease of spasticity after SM was noted in post-stroke patients.…”

Section: Introductionmentioning

confidence: 99%

Influence of Spinal Manipulation on Muscle Spasticity and Manual Dexterity in Participants With Cerebral Palsy: Randomized Controlled Trial

Kachmar

Kushnir

Matiushenko

et al. 2018

Journal of Chiropractic Medicine

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Understanding inhibitory mechanisms of lumbar spinal manipulation using H-reflex and F-wave responses: A methodological approach

Cited by 7 publications

References 57 publications

Comparison of 2 Lumbar Manual Therapies on Temporal Summation of Pain in Healthy Volunteers

Comparison of 2 Lumbar Manual Therapies on Temporal Summation of Pain in Healthy Volunteers

The effect of manual therapy on gastrocnemius muscle stiffness in healthy individuals

Influence of Spinal Manipulation on Muscle Spasticity and Manual Dexterity in Participants With Cerebral Palsy: Randomized Controlled Trial

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