지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2013.5
- 수록면
- 343 - 346 (4page)
이용수
이 논문의 연구 히스토리 (2)
2013
Effect of Smartphone Typing on the Muscle Recruitment in Neck and Upper Extremity : a preliminary report
Jangwhon Yoon
,
Taelim Yoon
,
Heonseock Cynn
외 1명
대한인간공학회 학술대회논문집
2013.10
학술대회자료
Effect of Cellular Phone Weight on the Muscle Recruitment in Neck and Upper Extremity : a preliminary report
Jangwhon Yoon
,
Heonseock Cynn
,
Kisong Kim
대한인간공학회 학술대회논문집
2013.05
학술대회자료
- 이 논문의 후속연구가 궁금하신가요?
- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
- 이 논문의 연구 히스토리 확인하기
초록· 키워드
오류제보하기
Objective: The aim of this study was to understand the effects of phone weight on the muscle recruitment in the neck and upper extremity while texting a message with one hand. Background: Too much use of a cellular phone can lead the musculoskeletal disorders in the neck and upper extremity. Phone makers tend to make their new models bigger, lighter, faster and smarter. Method: Fourteen healthy volunteers without any history of neuromuscular disorders or ongoing pain who used their smart phone more than one year were recruited. A 112g phone (iphone5) and a 142g phone (iphone4) were used for texting the lyric of the Korean national anthem with their dominant hand. Muscle recruitment of neck (middle trapezius and levator scapula), shoulder (infraspinatus and mid deltoid), elbow (biceps brachii and brachioradialis), thumb (extensor and abductor policis brevis) was collected using surface electromyography. Typing error was counted and typing speed was calculated in characters per min. The data were analyzed using the repeated measures ANOVA for the effects of phone weight on the posture, muscle recruitment and typing error and speed. Results: The result is under analysis for further detail. Conclusion: Typing text message with iPhone5 took longer but had less muscle recruitment in brachioradialis, and extensor and abductor policis brevis muscles. Application: Findings of this study can be valuable information for phone designers to develop more productive device and for smart phone users to prevent the musculoskeletal disorders in the upper extremities.
목차
ABSTRACT
1. Introduction
2. Method
3. Results
4. Conclusion
References
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