Can transcranial direct current stimulation improve range of motion and modulate pain perception in healthy individuals?

Henriques, Ighor Amadeu Dias; Lattari, Eduardo; Torres, Gabriela; Rodrigues, Guilherme Moraes; Oliveira, Bruno Ribeiro Ramalho; Neto, Geraldo A. Maranhão; Neto, Silvio Rodrigues Marques; Machado, Sérgio

doi:10.1016/j.neulet.2019.134311

Cited by 8 publications

(16 citation statements)

References 23 publications

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“…By contrast, several previous studies focusing on the involvement of the central nervous system in joint flexibility reported that inhibition of the excitability of the primary motor cortex and the primary somatosensory cortex by transcranial direct current stimulation increased joint ROM (5,8,12). Taken together, these studies suggest the importance of increasing joint flexibility to inhibit motor neuron excitability rather than promote it (5,8,12). Therefore, DS100 did not induce an additional increase in ankle ROM compared with DS50.…”

Section: Discussioncontrasting

confidence: 66%

“…The results of that study also revealed a greater increase in the EMG amplitude of the lower limb muscles during jumping, leading the author to conclude that a greater increase in jump height after fast DS was due to an increase in motor neuron excitability (2). By contrast, several previous studies focusing on the involvement of the central nervous system in joint flexibility reported that inhibition of the excitability of the primary motor cortex and the primary somatosensory cortex by transcranial direct current stimulation increased joint ROM (5,8,12). Taken together, these studies suggest the importance of increasing joint flexibility to inhibit motor neuron excitability rather than promote it (5,8,12).…”

Section: Discussionmentioning

confidence: 90%

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Effects of Dynamic Stretching Velocity on Joint Range of Motion, Muscle Strength, and Subjective Fatigue

Mizuno

2020

Journal of Strength and Conditioning Research

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Mizuno, T. Effects of dynamic stretching velocity on joint range of motion, muscle strength, and subjective fatigue. J Strength Cond Res 36(9): 2440-2447, 2022-The purpose of this study was to determine the effects of 2 different dynamic stretching (DS) velocities on joint range of motion (ROM), isometric muscle strength, and subjective fatigue during DS. Fifteen healthy male subjects performed DS at 2 different velocities: maximal active ankle plantar flexion-dorsiflexion velocity (DS100) and 50% of maximal velocity (DS50). A passive dorsiflexion test and isometric maximal voluntary contractions (MVCs) of the ankle plantar flexors and dorsiflexors were performed before and after DS. During the passive dorsiflexion test, ankle ROM and passive torque were measured when the ankle was passively dorsiflexed at 1˚•s 21 to its maximal ROM. The DS consisted of 4 sets of 10 ankle plantar flexions/dorsiflexions. For DS100, subjects flexed and extended their ankle as quickly as possible, whereas for DS50 the rhythm of the DS was controlled by a metronome. Subjective fatigue during DS was assessed using a visual analog scale. Maximal ankle ROM and passive torque at the maximal dorsiflexion angle were significantly increased after both DS100 and DS50 (p , 0.05), although there was no significant difference between these trials. The passive torque at submaximal angles and the isometric MVC of the ankle plantar flexors and dorsiflexors were not changed in either condition. However, there was a greater difference in subjective fatigue from prestretching to after 4 sets after DS100 than DS50 (p , 0.05). These results indicate that DS velocity did not influence subsequent joint flexibility. However, DS of moderate speed is recommended because faster DS seems to be associated with greater fatigue.

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Section: Discussioncontrasting

confidence: 66%

Section: Discussionmentioning

confidence: 90%

Effects of Dynamic Stretching Velocity on Joint Range of Motion, Muscle Strength, and Subjective Fatigue

Mizuno

2020

Journal of Strength and Conditioning Research

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“…For the quantitative analysis of pain intensity modulation with DCS, five studies were included 34,[40][41][42]53 , with the meta-analysis of these studies showing statistically significant differences for the decrease of pain intensity for active compared to control tDCS (n = 158; SMD = 0.79, 95% CI 0.56 to 1.02; Figure 2). Heterogeneity findings were found among the groups (Chi² = 10.62; df = 4; I² = 62%; P = 0.03).…”

Section: Quantitative Analysismentioning

confidence: 99%

“…The meta-analysis of selected studies showed that active tDCS was effective in reducing pain intensity (Figure 2). Of 31 studies included, only 5 were selected for analysis, with four studies showing a significant reduction in pain intensity following active tDCS compared to sham tDCS 34,[40][41][42] , and one study finding no significant difference between active and sham tDCS 53 . A previous systematic review found similar results regarding pain intensity in healthy volunteers 37 .…”

Section: The Effects Of Dcs On Experimental Pain Intensity Temporal mentioning

confidence: 99%

Efficacy of Direct Current Stimulation on Experimental Sensory Modalities and Pain Outcome Measures in Healthy Participants: Systematic Review and Meta-Analysis.

García-Barajas¹,

Taylor²,

Romero³

et al. 2020

Preprint

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Background: Objectives. The objective of this study was to compare the efficacy of direct current stimulation (DCS) applied at the transcranial, suboccipital and spinal level on experimental sensory modalities and pain outcome measures in healthy subjects. The hypothesis of this study was that systematic analysis of the efficacy of DCS on modulating evoked thermal and mechanical pain modalities and mechanisms such as endogenous pain modulation in healthy individuals would reveal sensitive outcome measures help develop this technique for the control of chronic pain. Materials and Methods. Database searches were conducted up to December 2019 for randomized controlled trials that performed sham-controlled DCS of experimental sensory modalities and pain outcomes following transcranial, suboccipital and spinal locations in healthy participants. Standardized mean differences with 95% confidence intervals were calculated for sensory modalities, including random-effect metanalysis. Results: Thirty-one studies were included for analysis (647 participants). A significant decrease in pain intensity for active vs sham transcranial stimulation was identified for pain intensity (n=158; SMD=0.79; 95% CI=0.56 to 1.02), a significant increase in heat pain threshold (n=222; SMD=1.16; 95% CI=0.95 to 1.37), and a significant increase in cold pain threshold (n = 155; SMD = 0.77, 95% CI 0.53 to 1.01). No significant modulation of pressure pain threshold was identified with DCS and only a limited number of studies focused on experimental pain modulation following neuromodulation at the suboccipital or spinal level. Conclusions: These results show significant transcranial DCS neuromodulation of pain intensity and on thermal pain modalities. Future studies should focus on endogenous pain and sensory modality modulation with sham-controlled DCS applied at transcranial, suboccipital and spinal locations.

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“…Anodal tDCS treatment has been found offer greater hip range of motion and lowered pain perception compared to dorsolateral prefrontal cortex (DLPFC) in normal healthy subjects [12], while cathodal stimulation over the area has yielded greater increases in range of motion at the ankle joint [13]. A combination of anodal tDCS with eccentric exercises also showed improved cortical excitability, dynamic balance and muscle activation in patients of chronic ankle instability compared to a sham group [14] These findings suggest that in the long term, ankle joint injury not only leads to local defects, but also distant defects in the central nervous system.…”

Section: Introductionmentioning

confidence: 99%

The effect of transcranial direct current stimulation on pain, range of motion, and balance in sportspersons with ankle sprain: A randomized controlled trial

Chaturvedi¹,

Jõgi²,

Joshi³

et al. 2022

areh

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Introduction: Ankle sprains are the most common sports injury. Injury to ankle joint causes local as well as distant defects in the central nervous system. The interventions that modulate defects centrally, as well as peripherally, can be of great significance in treating the condition. The present study aims to estimate the effects of transcranial direct current stimulation on pain, range of motion, and balance in players with ankle sprain.Material and methods: The present study was a randomized, controlled participant blinded trial. Twenty players aged between 16 to 30 years with a history of ankle sprain were recruited and were assigned in two groups. Group A received active transcranial direct current stimulation (tDCS) and Group B received sham stimulation of 2mA for 20 min for five consecutive days. The outcome variables were pain (VAS), range of motion at the ankle joint, and balance measured by the Y-balance test measured at the baseline and post-intervention.Results: There was a significant reduction in pain (p = 0.039) and significant improvement in range of motion in dorsiflexion (p = 0.043) and plantarflexion (p = 0.019) at the ankle joint when between-group comparisons were done. Whereas, no significant improvement in balance (p = 0.502) was observed when between-group comparisons were done.Conclusions: The application of tDCS is effective in decreasing pain and improving range of motion, but ineffective for improving balance in players with ankle sprains. To improve the balance, foot exercises can also be added along with the tDCS to improve the treatment outcomes in players with ankle sprains.

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Can transcranial direct current stimulation improve range of motion and modulate pain perception in healthy individuals?

Cited by 8 publications

References 23 publications

Effects of Dynamic Stretching Velocity on Joint Range of Motion, Muscle Strength, and Subjective Fatigue

Effects of Dynamic Stretching Velocity on Joint Range of Motion, Muscle Strength, and Subjective Fatigue

Efficacy of Direct Current Stimulation on Experimental Sensory Modalities and Pain Outcome Measures in Healthy Participants: Systematic Review and Meta-Analysis.

The effect of transcranial direct current stimulation on pain, range of motion, and balance in sportspersons with ankle sprain: A randomized controlled trial

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