Cumulative Load for X-Ray Technologists
Cumulative load has been shown to be a risk factor for back pain among industrial workers. In order to study the cumulative load on x-ray technologists nine such technologists were recruited, weighed, measured, and videotaped while they performed eight common occupational tasks. Using 3-D University of Michigan biomechanical model lumbosacral compression and shear were calculated during these tasks at 3, 5, and 10 frames per second. Regression equations were developed using data from 4 tasks and they were validated on the other four. The cumulative compressive and shear loads were varied with tasks ranging between 894 Ns to 56,185 Ns for compression and 356 Ns to 5048 Ns for shear. The regression equation predictions were accurate within 2% in all cases except one (3.99%).
Shrawan Kumar
Physical Medicine Institute,University of North Texas Health Science Center, Ft Worth, Texas
国际会议
17th World Congress on Ergonomics(第十七届国际人类工效学大会)
北京
英文
1-4
2009-08-09(万方平台首次上网日期,不代表论文的发表时间)