Test-retest reliability and responsiveness of a comprehensive protocol for the assessment of muscle tone of the ankle plantar flexors in healthy subjects

Abián-Vicén, Javier; Aparicio-García, Carlos; Ruiz-Lázaro, Pilar; Simón-Martínez, Cristina; Bravo-Esteban, Elisabeth; Gómez-Soriano, Julio

doi:10.3233/ies-183168

Cited by 2 publications

(4 citation statements)

References 42 publications

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“…Assessment of the relative reliability of baseline MEPs for PRE1-PRE2 was achieved with the intraclass correlation coefficient (ICC) that indicates the error in measurements as a proportion of the total variance in scores. An ICC of over 0.90 was defined as a high; from 0.80 to 0.90 as moderate; and below 0.80 as low reliability [32,33]. Moreover, the homogeneity between sessions for MEPs and PRM baseline threshold was analyzed with a t-student test.…”

Section: Discussionmentioning

confidence: 99%

Transcutaneous Spinal Cord Stimulation Enhances Quadriceps Motor Evoked Potential in Healthy Participants: A Double-Blind Randomized Controlled Study

Megía-García

Serrano-Muñóz

Taylor

et al. 2020

JCM

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Transcutaneous electrical spinal cord stimulation (tSCS) is a non-invasive technique for neuromodulation and has therapeutic potential for motor rehabilitation following spinal cord injury. The main aim of the present study is to quantify the effect of a single session of tSCS on lower limb motor evoked potentials (MEPs) in healthy participants. A double-blind, sham-controlled, randomized, crossover, clinical trial was carried out in 15 participants. Two 10-min sessions of tSCS (active-tSCS and sham-tSCS) were applied at the T11-T12 vertebral level. Quadriceps (Q) and tibialis anterior (TA) muscle MEPs were recorded at baseline, during and after tSCS. Q and TA isometric maximal voluntary contraction was also recorded. A significant increase of the Q-MEP amplitude was observed during active-tSCS (1.96 ± 0.3 mV) when compared from baseline (1.40 ± 0.2 mV; p = 0.01) and when compared to sham-tSCS at the same time-point (1.13 ± 0.3 mV; p = 0.03). No significant modulation was identified for TA-MEP amplitude or for Q and TA isometric maximal voluntary isometric strength. In conclusion, tSCS applied over the T11-T12 vertebral level increased Q-MEP but not TA-MEP compared to sham stimulation. The specific neuromodulatory effect of tSCS on Q-MEP may reflect optimal excitation of this motor response at the interneuronal or motoneuronal level.

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Section: Discussionmentioning

confidence: 99%

Transcutaneous Spinal Cord Stimulation Enhances Quadriceps Motor Evoked Potential in Healthy Participants: A Double-Blind Randomized Controlled Study

Megía-García

Serrano-Muñóz

Taylor

et al. 2020

JCM

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“…These methods have been used and validated previously. 20,25,26 Muscle stiffness was quantified by measurement of triceps surae passive resistive force; the resistance to passive ankle dorsiflexion during slow (10°/s, 5 repetitions) and fast (180°/s, 10 repetitions) mobilisation was recorded. It has been shown that slow mobilisation expresses non-neural resistance to passive movement based principally on the mechanical elements of muscles, while fast mobilisation represents total muscle stiffness, including reflex-mediated resistance.…”

Section: Biomechanical Assessmentmentioning

confidence: 99%

“…31,32 The quantification of muscle stiffness using isokinetic dynamometric techniques is considered a valid method in non-injured subjects. 20,25,26 Stiffness measured as passive resistive force at slow (P10) and fast (P180) velocities, and PROM were considered the primary outcomes of the biomechanical assessment.…”

Section: Biomechanical Assessmentmentioning

confidence: 99%

“…[15][16][17][18] Muscle stiffness is defined as the ratio of the change in resistance to the change in length 19 and is a muscle property that is related to extensibility and performance. 20 All these properties, together with neurogenic factors, characterise muscle tone. However, very few studies have analysed the specific effects of DN on muscle stiffness and motoneuron excitability, [12][13][14][15][16][17][18] and none of them have compared the effects of DN when needling two different locations in a controlled way.…”

Section: Introductionmentioning

confidence: 99%

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The effect of dry needling of myofascial trigger points on muscle stiffness and motoneuron excitability in healthy subjects

et al. 2021

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Background: Myofascial trigger points (MTrPs) are hypersensitive nodules in a taut band (TB) of skeletal muscle. Dry needling (DN) is an invasive technique recommended for the treatment of MTrPs. However, to our knowledge, no studies have investigated the influence of the DN technique on modification of muscle stiffness and neurophysiological properties of MTrPs. Objective: The objective was to examine the effect of DN on muscle stiffness and motoneuron excitability of a latent medial MTrP (nodule and TB) of the soleus muscle in non-injured subjects. Methods: A double-blinded randomised controlled trial of 46 subjects with latent medial MTrPs of the soleus was conducted, in which all received one session of DN. The intervention group (n = 23) were subjected to DN into the MTrP (the nodule), while the control group (n = 23) were subjected to DN into the TB. Assessment was carried out at baseline (pre-test), after the intervention (post-test) and 1 week after the intervention (follow-up). Biomechanical variables (muscle resistive force at 10°/s and 180°/s, muscle extensibility and strength), as measured with an isokinetic dynamometer, and neurophysiological variables (H-reflex), were recorded. Results: There were no statistically significant differences in biomechanical or neurophysiological assessments between groups. Considering the intra-group analysis, subjects in the intervention group exhibited increased maximal isometric voluntary force to ankle plantarflexion (MIVFp) at both post-intervention and follow-up assessment (p < 0.0125; 0.2 < d < 0.5), while no changes were found in the control group. Conclusion: One session of DN targeting latent MTrPs did not change muscle stiffness, muscle extensibility or motoneuron excitability. Further research on subjects with muscle tone disorders should be considered to better address the impact of DN on muscle tone. Trial registration number: NCT02575586 (ClinicalTrials.gov).

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Test-retest reliability and responsiveness of a comprehensive protocol for the assessment of muscle tone of the ankle plantar flexors in healthy subjects

Cited by 2 publications

References 42 publications

Transcutaneous Spinal Cord Stimulation Enhances Quadriceps Motor Evoked Potential in Healthy Participants: A Double-Blind Randomized Controlled Study

Transcutaneous Spinal Cord Stimulation Enhances Quadriceps Motor Evoked Potential in Healthy Participants: A Double-Blind Randomized Controlled Study

The effect of dry needling of myofascial trigger points on muscle stiffness and motoneuron excitability in healthy subjects

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