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Ergonomics & Human factors 2018

Archives of Medicine

ISSN: 1989-5216

Page 21

July 26-27, 2018

Rome, Italy



Edition of International Conference on

Ergonomics &

Human Factors


he text neck syndrome is becoming known as people start

using their smartphones anytime, anywhere. A person’s

spine can be in trouble if it remains static for a long period of

time with a load on it. Smartphones can handle many things on

a small screen, so they can be used in a variety of situations.

In particular, those situations can have a negative effect on the

cervical spine. In this study, eighteenparticipantswere recruited

and their posture was analyzed. We used inertial measurement

units (IMU) based motion analysis equipment (i.e., Noraxon

MyoMotion) to determine the effect of smartphones on their

posture when standing or sitting. Each participant was asked

to perform two tasks: reading the document and playing a

specific game. In this process, information about the posture

of each participant as well as the angle of the smartphone

was collected. As a result of experiment, we could develop

the relationship between posture of participants and angles

of smartphones to induce participants posture according to

angles of smartphones. This study is expected to be used

as the basic data for the research related to the text neck


Recent Publications

1. Kim H K et al. (2018) Virtual reality sickness

questionnaire (VRSQ): motion sickness measurement

index in a virtual reality environment. Applied

Ergonomics 69:66-73.

2. Kim H K et al. (2016) The interaction experiences of

visually impaired people with assistive technology: A

case study of smartphones. International Journal of

Industrial Ergonomics. 55:22-33.

3. Kim H K et al. (2016) Identifying affect elements

based on a conceptual model of affect: A case study

on a smartphone. International Journal of Industrial

Ergonomics. 53:193-204.

4. Park J (2016) Classifyingweight trainingworkoutswith

deepconvolutional neural networks: Aprecedent study.

MobileHCI Adjunct. Doi:10.1145/2957265.2961861.

5. Park J et al. (2015) Developing and verifying

a questionnaire for evaluating user value of a

mobile device. Human Factors and Ergonomics in

Manufacturing & Service Industries. 25(6):724-739.


Jaehyun Park is an Assistant Professor in the Department of Industrial and

Management Engineering at Incheon National University (INU). He received

B.S degree and Ph.D degree in Industrial andManagement Engineering from

POSTECH (Pohang University of Science and Technology). His research in-

terests are user experience of products and services, computational cogni-

tive engineering, and machine learning on physical behaviour.

[email protected]

Prediction of neck flexion based on angles of a smartphone

Jaehyun Park


Nahyeong Kim

Incheon National University, Republic of South Korea

Jaehyun Park et al., Arch Med 2018, Volume 10

DOI: 10.21767/1989-5216-C1-002