Immediate Effect of Electrical Noise Stimulation on Neuromuscular Adaptation of Balance

NCT ID: NCT05570890

Last Updated: 2022-10-07

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-29

Study Completion Date

2023-01-31

Brief Summary

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Noise stimulation had an immediate effect on improving balance control. The present study aimed to clarify the immediate neuromuscular adaptation induced by noise stimulation and find the correlation between neuromuscular adaptation and functional performance.

Detailed Description

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The mechanism behind noise stimulation is called Stochastic Resonance which improves the detectivity of sensory input with the presence of noise, making sub-sensory threshold input detectable. Noise stimulation had been proved to improve postural control, Ia afferent sensitivity, and muscle activity of the tibialis anterior. With this evidence of the effect of noise stimulation on balance enhancement, the neuromuscular adaptation induced by noise stimulation has not been researched yet. Therefore, the present study aims to clarify the immediate effect of noise on neuromuscular regulation during postural control.

Conditions

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Balanced Electroencephalography Electromyography

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Participants
The stimulation intensity is set under the sensory threshold, therefore participants will be masked in the study.

Study Groups

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Sham stimulation on stable surface

The participant will not receive stimulation and will stand on flat ground.

Group Type EXPERIMENTAL

Sham stimulation

Intervention Type DEVICE

Participants will not receive stimulation.

Noise stimulation on stable surface

The participant will receive stimulation with intensity set at 90% of their sensory threshold and will stand on flat ground.

Group Type EXPERIMENTAL

electrical noise stimulation

Intervention Type DEVICE

The intensity of electrical noise stimulation will be set at 90% of the sensory threshold of each participant.

Sham stimulation on unstable surface

The participant will not receive stimulation and will stand on foam.

Group Type EXPERIMENTAL

Sham stimulation

Intervention Type DEVICE

Participants will not receive stimulation.

Foam

Intervention Type DEVICE

The foam will be used to make an unstable surface.

Noise stimulation on unstable surface

The participant will receive stimulation with intensity set at 90% of their sensory threshold and will stand on foam.

Group Type EXPERIMENTAL

electrical noise stimulation

Intervention Type DEVICE

The intensity of electrical noise stimulation will be set at 90% of the sensory threshold of each participant.

Foam

Intervention Type DEVICE

The foam will be used to make an unstable surface.

Interventions

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electrical noise stimulation

The intensity of electrical noise stimulation will be set at 90% of the sensory threshold of each participant.

Intervention Type DEVICE

Sham stimulation

Participants will not receive stimulation.

Intervention Type DEVICE

Foam

The foam will be used to make an unstable surface.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* age between 20 and 40 years old
* without ankle injury history in 1 year
* without musculoskeletal or neurological diseases that would affect balance performance
* without visual impairment (except vision correction or no visual problems)
* without vestibular impairment.

Exclusion Criteria

* subject who cannot tolerate the cutaneous electrical stimulation to induce H reflex
* single-leg stance (SLS) without support is shorter than 80 secs
Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Yang Ming Chiao Tung University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Li-Wei Chou, PhD

Role: STUDY_DIRECTOR

National Yang Ming Chiao Tung University

Locations

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National Yang-Ming University

Taipei, , Taiwan

Site Status

Countries

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Taiwan

Other Identifiers

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YM111060E

Identifier Type: -

Identifier Source: org_study_id

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