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Gait performance and foot pressure distribution during wearable robot-assisted gait in elderly adults

Overview of attention for article published in Journal of NeuroEngineering and Rehabilitation, November 2017
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Title
Gait performance and foot pressure distribution during wearable robot-assisted gait in elderly adults
Published in
Journal of NeuroEngineering and Rehabilitation, November 2017
DOI 10.1186/s12984-017-0333-z
Pubmed ID
Authors

Su-Hyun Lee, Hwang-Jae Lee, Won Hyuk Chang, Byung-Ok Choi, Jusuk Lee, Jeonghun Kim, Gyu-Ha Ryu, Yun-Hee Kim

Abstract

A robotic exoskeleton device is an intelligent system designed to improve gait performance and quality of life for the wearer. Robotic technology has developed rapidly in recent years, and several robot-assisted gait devices were developed to enhance gait function and activities of daily living in elderly adults and patients with gait disorders. In this study, we investigated the effects of the Gait-enhancing Mechatronic System (GEMS), a new wearable robotic hip-assist device developed by Samsung Electronics Co, Ltd., Korea, on gait performance and foot pressure distribution in elderly adults. Thirty elderly adults who had no neurological or musculoskeletal abnormalities affecting gait participated in this study. A three-dimensional (3D) motion capture system, surface electromyography and the F-Scan system were used to collect data on spatiotemporal gait parameters, muscle activity and foot pressure distribution under three conditions: free gait without robot assistance (FG), robot-assisted gait with zero torque (RAG-Z) and robot-assisted gait (RAG). We found increased gait speed, cadence, stride length and single support time in the RAG condition. Reduced rectus femoris and medial gastrocnemius muscle activity throughout the terminal stance phase and reduced effort of the medial gastrocnemius muscle throughout the pre-swing phase were also observed in the RAG condition. In addition, walking with the assistance of GEMS resulted in a significant increase in foot pressure distribution, specifically in maximum force and peak pressure of the total foot, medial masks, anterior masks and posterior masks. The results of the present study reveal that GEMS may present an alternative way of restoring age-related changes in gait such as gait instability with muscle weakness, reduced step force and lower foot pressure in elderly adults. In addition, GEMS improved gait performance by improving push-off power and walking speed and reducing muscle activity in the lower extremities. NCT02843828 .

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 229 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 229 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 35 15%
Student > Bachelor 30 13%
Researcher 27 12%
Student > Ph. D. Student 27 12%
Student > Doctoral Student 8 3%
Other 31 14%
Unknown 71 31%
Readers by discipline Count As %
Engineering 45 20%
Nursing and Health Professions 30 13%
Medicine and Dentistry 24 10%
Sports and Recreations 14 6%
Neuroscience 11 5%
Other 30 13%
Unknown 75 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 December 2017.
All research outputs
#17,922,331
of 23,011,300 outputs
Outputs from Journal of NeuroEngineering and Rehabilitation
#947
of 1,291 outputs
Outputs of similar age
#306,000
of 438,556 outputs
Outputs of similar age from Journal of NeuroEngineering and Rehabilitation
#24
of 27 outputs
Altmetric has tracked 23,011,300 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,291 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.9. This one is in the 22nd percentile – i.e., 22% of its peers scored the same or lower than it.
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