Efficacy of Eco-guided PENS on Handgrip Strength

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-12-12

Study Completion Date

2021-01-12

Brief Summary

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Low-frequency percutaneous electrical stimulation is the application of an electrical current of \<1000Hz through acupuncture needles located on the epineurium of the peripheral nervous system.

The hypothesis is that by placing the electrode, needle, closer to the nerve, a greater stimulation of the same will be achieved, thus being able to obtain greater effects. The goal is to determine if this technique has any effect on grip strength in the short term.

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Detailed Description

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Single-blind randomized clinical trial of n = 12 healthy subjects. 4 assessments of the grip strength of the non-dominant hand will be made using a digital dynamometer, by a blinded investigator. A V0-pre-intervention, a V1-post-intervention, a V2 at 24 hours and a V3 at 10 days after the intervention. Subjects will be randomly assigned by EPIDAT 3.1, to an experimental group or a control group, with n = 6 each group. In the experimental group, an ultrasound-guided percutaneous electrical stimulation will be performed. With a pointer, a symmetrical biphasic low-frequency current of 10 Hz and 240 microseconds will be applied to the median nerve and ulnar nerve, until reaching the excitomotor threshold, with applications of 10 seconds and rests of 5 seconds until reaching a stimulation of 1 minute. total over each nerve. In the control group, the same invasive procedure will be performed, but no type of electrical stimulation will be applied.

Statistical analysis will be performed by another blinded assessor, using IBM SPSS Statistics 24. A two-factor ANOVA (intervention-time) with Bonferroni correction will be performed.

Conditions

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Electrical Stimulation Neuromodulation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Experimental: 10 hz stimulatión

Eco-guided percutaneous electrical stimulation application of low frequency electrical current at 10 hz, 240 microsecond, over the median and ulnar nerve in the arm, for 1 minute on each nerve. The intensity of the current will reach the excitomotor threshold, causing visible but comfortable contractions.

Group Type EXPERIMENTAL

Eco-guided Percutaneous Electrical Stimulation

Intervention Type DEVICE

Pointer 10 hz. A symetric, biphasic current of 10 hz and 240 microsecond. The stimulation intensity will be reaching the excitomotor threshold, producing visible but comfortable contractions.

Sham stimulation

Application of the needles only on the median and ulnar nerve of the arm, for 1 minute on each nerve without current intensity and a sound will be applied.

Group Type SHAM_COMPARATOR

Sham stimulation

Intervention Type DEVICE

Application of the needles only on the median and ulnar nerve of the arm, for 1 minute on each nerve without current intensity and applying a son.

Interventions

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Eco-guided Percutaneous Electrical Stimulation

Pointer 10 hz. A symetric, biphasic current of 10 hz and 240 microsecond. The stimulation intensity will be reaching the excitomotor threshold, producing visible but comfortable contractions.

Intervention Type DEVICE

Sham stimulation

Application of the needles only on the median and ulnar nerve of the arm, for 1 minute on each nerve without current intensity and applying a son.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Healthy volunteers
* Ability to perform all clinical tests and understand the study process, as well as obtaining informed consent.
* Tolerance to the application of electrotherapy.
* That they have not diagnosed any pathology.
* They do not present a contraindication to puncture and / or the application of electric currents.

Exclusion Criteria

* Neuromuscular disease.
* Epilepsy.
* Trauma, surgery or pain affecting the upper limb.
* Osteosynthesis material in the upper limb.
* Diabetes.
* Cancer.
* Cardiovascular disease.
* Pacemaker or other implanted electrical device.
* Take any drug (NSAIDs, corticosteroids, antidepressants, analgesics, antiepileptics, ...) during the study and in the previous 7 days.
* Presence of tattoos or other external agent introduced into the treatment or assessment area.
* Pregnancy

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes