Mimicking Slipping Responses Using a Novel Mechanical Perturbation Algorithm

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

Total Enrollment

43 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-06-06

Study Completion Date

2024-12-06

Brief Summary

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Healthy subjects will be invited to fill out a questionnaire regarding falls and balance skills followed by normal walking trials on a treadmill at 9 different speeds (0.28-1.4 m/s). Key gait parameters for the normative database will be collected. During the perturbation trials, the subjects will walk at a constant speed (1.2 m/s). The treadmill belts are ac, - or decelerated during the perturbations according to three different perturbation algorithms with varying perturbation onset. Movements will be analyzed by 3D motion capture, force plates, surface electromyography and IMU sensors. All methods are non-invasive and commonly used in the field of biomechanics.

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Detailed Description

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Conditions

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Gait, Stumbling Gait, Perturbation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Healthy participants between 18 and 40 years of age

Mechanical pertubation

Intervention Type OTHER

Acceleration or deacceleration of one treadmill gait belt.

Healthy participants between 60 and 80 years of age

Mechanical pertubation

Intervention Type OTHER

Acceleration or deacceleration of one treadmill gait belt.

Interventions

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Mechanical pertubation

Acceleration or deacceleration of one treadmill gait belt.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy subjects aged 18-40 years and 60-80 years
* Ability to walk at minimum 30 minutes at a regular pace without assistance or breaks
* Written informed consent as documented by signature (see informed consent form)

Exclusion Criteria

* Women who are pregnant or breast feeding
* Current neurological problems affecting walking function and balance
* Current orthopedic problems affecting upper and lower extremity movements
* History of alcohol abuse or the intake of psychotropic drugs
* History of major cardiac condition (e.g., infarction, insufficiency (NYHA II-IV))
* History of major pulmonary condition (e.g., chronic obstructive pulmonary disease (GOLD II-IV))
* Current major depression or psychosis
* Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia
* Fever of unknown origin

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes