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
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 57 - 68 (12page)
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초록· 키워드
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Purpose: This study is an investigation of the effects of long-term smart phone usage and of stretching on muscle stiffness, concentration, and visual acuity. Methods: Forty healthy young adults voluntarily participated in the study and were measured for muscle stiffness, concentration, and visual acuity before smartphone usage and after 30 minutes, 60 minutes, and 90 minutes of smartphone usage. The participants were randomly allocated to the intervention group (n=20) and the control group (n=20). Five minutes after the stretching exercise and eye exercise intervention, the participants were remeasured. Results: After long-term smartphone usage, increases in muscle stiffness and concentration were statistically significant (p<0.05), whereas decreases in visual acuity were statistically significant (p<0.05). After the stretching exercise and eye exercise intervention, muscle stiffness significantly decreased (p<0.05) and visual acuity significantly increased (p<0.05). Concentration, according to the stretching exercise and eye exercise intervention, showed no significant pre- or post-test difference. Conclusion: The results from this study indicate that long-term smartphone usage effectively improved concentration but increased muscle stiffness and decreased visual acuity. Appropriate stretching and eye movement during long-term smartphones usage should mitigate the effects on muscle stiffness and visual acuity. Furthermore, smartphones should be considered an effective tool for concentration training when coupled with the development of appropriate applications.
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등록된 정보가 없습니다.
참고문헌 (26)
참고문헌 신청
Allum J / 1984 / Compensation for intrinsic muscle stiffness by short-latency reflexes in human triceps surae muscles / Journal of Neurophysiology 52(5):797~818
Bates WH / 2008 / Better eyesight without glasse / Orient Paperbacks
Berolo S / 2011 / Musculoskeletal symptoms among mobile hand-held device users and their relationship to device use : a preliminary study in a Canadian university population / Applied Ergonomics 42(2):371~378
Etnyre BR / 1986 / Gains in range of ankle dorsiflexion using three popular stretching techniques / American journal of physical medicine 65(4):189~196
Gang MJ / 2001 / The investigation of the changes of visual problems in VDT workers / Journal of Korean Ophthalmic Optics Society 7(2):33~39
Bates WH / 2008 / Better eyesight without glasse / Orient Paperbacks
Berolo S / 2011 / Musculoskeletal symptoms among mobile hand-held device users and their relationship to device use : a preliminary study in a Canadian university population / Applied Ergonomics 42(2):371~378
Etnyre BR / 1986 / Gains in range of ankle dorsiflexion using three popular stretching techniques / American journal of physical medicine 65(4):189~196
Gang MJ / 2001 / The investigation of the changes of visual problems in VDT workers / Journal of Korean Ophthalmic Optics Society 7(2):33~39
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