The Effect of a Wearable Hip Assist Robot on Cardiopulmonary Metabolic Efficiency During Stair Ascent in Elderly Adults

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

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-16

Study Completion Date

2017-11-10

Brief Summary

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The aim of this study was to identify the assistance effect of the new wearable hip assist robot, gait enhancing mechatronic system (GEMS) developed by Samsung Advanced Institute of Technology (Samsung Electronics Co, Ltd., Korea) during stair ascent by comparing the energy expenditure of elderly adults with and without the GEMS.

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Detailed Description

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Primary objective of this study is to demonstrate the effect of a wearable hip assist robot on cardiopulmonary metabolic efficiency during stair ascent in elderly adults.

Fifteen elderly adults participated in this study. The stair ascent trials were designed to climb stairs from the first basement level to the fourth floor of the Proton Therapy Center, Samsung Medical Center, Korea. The metabolic energy expenditure was measured using a portable cardiopulmonary metabolic system (Cosmed K4b², Rome, Italy) while participants performed randomly assigned two different conditions consecutively:, free ascent without the GEMS (NoGEMS) or robot-assisted ascent with the GEMS (GEMS). Participants rested for 10 minutes between the two trial conditions.

Conditions

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Gait, Unsteady Health Behavior

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Elderly adults

Stair climbing with and without a wearable hip assist robot

Group Type EXPERIMENTAL

Wearable hip assist robot

Intervention Type DEVICE

All participants climbed stairs from the first basement level to the fourth floor of the Proton Therapy Center, Samsung Medical Center, Korea with and without a wearable hip assist robot. During climbing stairs, the metabolic energy expenditure of all participants was measured using a portable cardiopulmonary metabolic system (Cosmed K4b², Rome, Italy).

Interventions

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Wearable hip assist robot

All participants climbed stairs from the first basement level to the fourth floor of the Proton Therapy Center, Samsung Medical Center, Korea with and without a wearable hip assist robot. During climbing stairs, the metabolic energy expenditure of all participants was measured using a portable cardiopulmonary metabolic system (Cosmed K4b², Rome, Italy).

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Elderly adults who absence of a history of musculoskeletal or central nervous system diseases
* High levels of physical performance (SPPB \> 8)

Exclusion Criteria

* Elderly adults who absence of the ability to walk independently due to visual field defects, fractures, or severe muscle weakness
* Severe dizziness that might lead to falls
* Cognitive disorders that might be difficult to understand accurately in this study

Minimum Eligible Age

65 Years

Maximum Eligible Age

84 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No