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.
초록· 키워드
오류제보하기
The purpose of this study was to investigate the effect on the activity of the upper trapezius and erector spinae according to the length difference of the backpack using electromyogram (EMG). We also conducted a study comparing the center of pressure (COP) and weight distribution before and after using Wii® balance board. Thirty individuals were randomly assigned to the experimental group (n=14) wearing a backpack with a short right strap length and a control group (n=16) wearing a backpack with the same strap length. Data were collected by dividing into groups, carring a 15% weight backpack and walking for 20 minutes on a treadmill. As a result of analyzing the EMG data, there was no significant change in the upper extremity muscle activity of the control group, but it was significantly decreased in the right upper trapezius activity of the experimental group (p<0.05). In addition, there was a significant change of COP in the experimental group (p<0.05), but there was no significant difference of the weight distribution in both groups. Recognizing mechanical changes in the body that may occur due to the asymmetry of the strap length is thought to be helpful for systematic ergonomic intervention according to changes in the external environment in the future.
목차
등록된 정보가 없습니다.
참고문헌 (31)
참고문헌 신청
Ahn JS / 2006 / The effects of Asymmetric Load of Shoulder Bag on Trunk and Pelvis Movement Patterns of Normal Adult during Gait
Chae WS / 2006 / A Comparative Analysis of Ground Force Form on Walking after Wearing Roller Shoes and Jogging Shoes / Journal of the Korean Association of Exercise 16(1):101~108
Son H / 2013 / The Effect of Backpack Load on Muscle Activities of the Trunk and Lower Extremities and Plantar Foot Pressure in Flatfoot / J Phys Ther Sci 25(11):1383~1386
Brackley HM / 2009 / Effect of Backpack Load Placement on Posture and Spinal Curvature in Prepubescent Children 32(3):351~360
Matsuo T / 2008 / Asymmetric Load-carrying in Young and Elderly Women : Relationship with Lower Limb Coordination / Gait & Posture 28(3):517~520
Chae WS / 2006 / A Comparative Analysis of Ground Force Form on Walking after Wearing Roller Shoes and Jogging Shoes / Journal of the Korean Association of Exercise 16(1):101~108
Son H / 2013 / The Effect of Backpack Load on Muscle Activities of the Trunk and Lower Extremities and Plantar Foot Pressure in Flatfoot / J Phys Ther Sci 25(11):1383~1386
Brackley HM / 2009 / Effect of Backpack Load Placement on Posture and Spinal Curvature in Prepubescent Children 32(3):351~360
Matsuo T / 2008 / Asymmetric Load-carrying in Young and Elderly Women : Relationship with Lower Limb Coordination / Gait & Posture 28(3):517~520
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