Eunjee Kim

Eunjee Kim
Ulsan National Institute of Science and Technology | UNIST · Department of Biomedical Enginering

About

10
Publications
279
Reads
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21
Citations
Education
March 2012 - February 2017
Ulsan National Institute of Science and Technology
Field of study
  • Affective & Human Factors Engineering (Major) / Engineering & System Design (2nd)

Publications

Publications (10)
Article
Manual pushing or pulling with a hand tool is a coordinated action by various upper extremity muscles. The objective of this experimental study was to examine the effects of horizontal and vertical hand loads on upper extremity muscle activity during concentric pushing and pulling exertions. Twenty young female participants conducted repetitive pus...
Article
Prolonged smartphone use induces passive stretch of neck tissues and muscle fatigue, affecting spinal stability and pain. It is necessary to evaluate the effect of smartphone use on the reflexive response to detect the changes in neck tissues and head stability. A laboratory experiment (n=10) was conducted to investigate the reflexive response of n...
Article
Ground-level traffic lights or safety signs have been introduced recently as a prevention measure for smartphone-related pedestrian accidents. However, quantitative evaluation of smartphone users' detection performance during distracted walking has been scarce. A laboratory experiment was conducted to evaluate the performance of detecting ground-le...
Article
Ergonomics issues while using virtual reality (VR) headsets for text-intensive applications have not been studied. Measures of neck and shoulder discomfort and simulator sickness symptoms were quantified while participants were performing a document creation task for 60 minutes using a VR headset and a desktop monitor. During the task with the head...
Article
Smartphone usage rate has been increased, and so has on the streets while walking. Concerns for traffic accidents associated with the use have been growing, but there has been limited information regarding smartphone usage pattern while walking. A survey was conducted to explore the usage pattern in terms of frequency of use while walking, and hist...
Article
Text-neck has been the main health concern among smartphone users. The current study explored a potential association between the duration of static head flexion posture during smartphone use and the viscoelastic changes of the cervical spine passive tissues. Ten participants conducted a smartphone task for 30 minutes, and their full head flexion a...
Article
An increase in pedestrian accidents associated with smartphone use has been one of the main issues in road traffic safety research and administration. Recently, traffic lights and safety signs embedded in the ground have been introduced, but without sufficient scientific consideration. A laboratory experiment evaluated the visibility of an in-groun...
Article
Study design: Within-subject design of an experimental study. Objective: To determine the effects of smartphone use on the activity level of the lumbar erector spinae muscles and spine kinematics during walking. Summary of background data: Using a smartphone while walking makes the user hold the phone steady and look downward to interact with...
Article
Concurrent use of a smartphone while walking may influence low back muscle activation patterns due to restricted arm motions, limited trunk rotation and walking with the head in a flexed position. The objective of this study was to quantitatively determine the effects of smartphone use while walking on the level of myoelectric activity of the low b...
Article
Potential ergonomic issues associated with the use of a head mounted display (HMD) for office productivity applications have not yet been quantitatively evaluated. A laboratory experiment was conducted to quantitatively evaluate physical stresses and the productivity of the use of HMD. Twenty healthy participants conducted a document editing task f...

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