Effects of ascending and descending direct current on grip strength assessed through dynamometry and myofeedback: A randomized controlled trial

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dc.contributor.authorde la Barra Ortiz, Hernán Andrés
dc.contributor.authorOpazo Cancino, Jaime
dc.contributor.authorMinzer Goluboff, Nicole
dc.contributor.authorAndrade Obando, Ghyslaing
dc.contributor.authorHerrera Jara, Macarena
dc.contributor.authorGonzález Vera, María Fernanda
dc.date.accessioned2023-11-10T22:50:14Z
dc.date.available2023-11-10T22:50:14Z
dc.date.issued2020
dc.descriptionIndexación: Scopuses
dc.description.abstractIntroduction. To investigate effects of ascending and descending direct current (ADC and DD C) on muscle strength evaluated with dynamometry. Muscle strength values in kilograms were compared in 3 groups (ADC, DD C, and control) before and after galvanic electrical intervention. Methods. A randomized clinical trial was performed in the Physiotherapy Laboratory of Andres Bello University among 83 healthy volunteers. The intervention was a direct current session at an intensity of 4 mA for 12 minutes with 48-cm2 electrodes (dose: 48 mA · min;current density: 0.04 mA/cm2). The difference between the groups was galvanic therapy type applied. Current application followed a hand dynamometric test and myofeedback evaluation. The main outcome was maximum strength difference (MSdif) and its corresponding value in microvolts (μV-MSdif) obtained with myofeedback. Results. There were statistically significant changes regarding MSdif in groups who received direct current (p = 0.0001). These variations were also seen when comparing the 3 groups with the consideration of men (p = 0.0012) and women (p = 0.0021) separately. No statistically significant changes were observed in the μV-MSdif values (p = 0.9409). Conclusions. ADC can generate variations in grip strength after an intervention session, with an increase in strength of 8.9%. The increase in strength was observed both in men (6.7%) and in women (9%) of the ADC group.es
dc.identifier.citationPhysiotherapy Quarterly Volume 28, Issue 2, Pages 1 - 8 2020es
dc.identifier.doi10.5114/PQ.2020.92471en
dc.identifier.issn2544-4395
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/53918
dc.language.isoenes
dc.publisherUniversity School of Physical Education in Wroclawes
dc.rights.licenseCC BY-NC-SA 4.0 DEED Atribución-NoComercial-CompartirIgual 4.0 Internacionalen
dc.rights.urihttps://creativecommons.org/licenses/by-nc-sa/4.0/deed.esen
dc.subjectElectrical stimulation therapyes
dc.subjectHand strengthes
dc.subjectHandheld dynamometryes
dc.subjectRandomized controlled triales
dc.subjectTranscutaneous electric nerve stimulationes
dc.titleEffects of ascending and descending direct current on grip strength assessed through dynamometry and myofeedback: A randomized controlled triales
dc.typeArtículoes
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