This study analyzed symptoms of MSDs(Musculokeletal Disorders) associated with characteristics of smartphone usage based on questionnaire survey. This study also tried to identify their relationship based on the results from questionnaire survey. A total of 943 subjects participated for the survey.
The results in terms of symptoms associated with smartphone usage were as follows; 1) 49.8% of respondents experienced symptoms associated with MSDs, 2) 35.9%, 34.0%, 22.1%, 21.7% and 20.9% of respondents had symptoms at shoulder, neck, elbow, wrist, and fingers respectively, 3) The effect of ‘daily time of data use’, ‘monthly costs’ for MSDs of respondents was significant.
Specifically, this study has some significance since it tries to identify the relationship between MSDs symptoms and characteristics of smartphone usage. The results of the study can be good basis for better design and user guidelines of smartphone to prevent MSDs associated with smartphone usage.

1. 서 론
 2. 연구 대상 및 방법
  2.1 연구대상
  2.2 연구방법
  2.3 분석 방법
 3. 결과
  3.1 스마트폰 사용자의 일반적 특성
  3.2 스마트폰 사용자의 사용 특성
  3.3 스마트폰 사용기능별 주 사용자세
  3.3 스마트폰 사용으로 인한 근골격계질환 관련 자각 증상 경험 유무
  3.4 일반적 특성에 따른 근골격계질환 관련자각 증상 경험 유무
  3.5 스마트폰 사용 특성과 주 사용자세가 근골격계질환 관련 자각 증상에 미치는 영향
 4. 고찰 및 결론
 4. References

• 김경인(인하대학교 산업공학과) | Kyung-In Kim
• 최서연(송원대학교 재활보건관리학과) | Seo-Yeon Choi
• 박동현(인하대학교 산업공학과) | Dong-Hyun Park Corresponding Author