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
- 2020.1
- 수록면
- 45 - 52 (8page)
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Background: A backpack is available equipment for moving some objects. Most studies have found that the appropriate weight limit of backpack for students is between 10% to 15% of their body weight (BW). However, Some students should carry a backpack heavier than 15% of BW. Therefore, It is associated with abnormal shoulder and neck posture on students.Objects: This study tested the effects that various amounts of weight carried by univer-sity students in their backpacks had on their cervical posture and electromyography of neck muscle.Methods: The subjects consisted of 12 students (6 male, 6 female) in university. There were three loading conditions tested: no backpack, a backpack that weighed 10% and 15% of the student’s BW. The dependent variables were the craniovertebral angle (tragus to C7) and the neck muscle activities (sternocleidomastoid, upper trapezius). All 12 subjects were asked to walk while wearing a backpack for 5 minutes and were then instructed to rest for 2 minutes.Results: When assessing the craniovertebral angle, the results of this study were significantly decreased in the order of 0%, 10%, and 15%. And then, there were significantly increased electromyography of neck muscles that comparison of the weight of 10% and 15% on 0%. It was found that as the weight of the backpack increased, the craniovertebral angle decreased (p < 0.05) and the muscle activities increased (upper trapezius p = 0.012, sternocleidomas-toid p = 0.013).Conclusion: Our study recommended that some students shouldn’t carry on over the 15% backpack of own weight, and also they should distribute backpack load to equal on body for optimal posture.
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참고문헌 (50)
참고문헌 신청
Rai A / 2013 / Postural effect of back packs on school children : its consequences on their body posture / Int J Health Sci Res 3(10):109~116
Whittfield JK / 2001 / The weight and use of schoolbags in New Zealand secondary schools / Ergonomics 44(9):819~824
Hong Y / 2000 / Changes in gait patterns in 10-year-old boys with increasing loads when walking on a treadmill / Gait Posture 11(3):254~259
Mohan M / 2007 / Effect of backpack loading on cervical and shoulder posture in Indian school children / Indian J Physiother Occup Ther 1(2):3~12
Hong Y / 2008 / Effect of prolonged walking with backpack loads on trunk muscle activity and fatigue in children / J Electromyogr Kinesiol 18(6):990~996
Whittfield JK / 2001 / The weight and use of schoolbags in New Zealand secondary schools / Ergonomics 44(9):819~824
Hong Y / 2000 / Changes in gait patterns in 10-year-old boys with increasing loads when walking on a treadmill / Gait Posture 11(3):254~259
Mohan M / 2007 / Effect of backpack loading on cervical and shoulder posture in Indian school children / Indian J Physiother Occup Ther 1(2):3~12
Hong Y / 2008 / Effect of prolonged walking with backpack loads on trunk muscle activity and fatigue in children / J Electromyogr Kinesiol 18(6):990~996
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