DOI QR코드

DOI QR Code

인체모델을 이용한 농작업자의 밀기 작업시 요추부 생체 역학적 평가

Bio-mechanical Analysis on the Lower Back using Human Model during Pushing the Manual Vehicles

  • 발행 : 2009.08.25

초록

A high prevalence of protected horticulture farmer's work-related musculo-skeletal disorders (MSDs) have been reported in precedent studies. One of the tasks required ergonomic intervention to reduce the musculo-skeletal risks is the task of product transporting. The purpose of this study is to evaluate quantitatively the spinal load of operator using manual vehicles to predict and prevent musculo-skeletal risks. Spinal load in operators using 4 kinds of manual vehicle were analyzed. Before evaluating spinal load on operator using the manual vehicles by bio-mechanical approach, it is needed to validate human model. In this study, ADAMS LifeMOD human model shows satisfactory results, comparing with already validated model's results or measured results. While Operators pushed the manual vehicles(wheelbarrow, Trolley, 2 wheel cart, and 4 wheel cart) contained loads that were 0 N and 800 N, their spinal loads(compression force, shear force) were evaluated. The compression force demonstrated under the NIOSH action limits - 3410N - for all 4 manual vehicle's operators(McGill 1997; Marras 2000). However, the lateral shear force demonstrated over the University of Waterloo - 500N - for all 3 manual vehicle's operators except 4Wheel cart (Yingline and McGill, 1999). Therefore, operators have risks in prevalence of the musculo-skeletal disorders due to shear force. The findings of this study suggest that it need to be determine the spinal load, especially lateral shear force in designing the manual vehicles in the future.

키워드

참고문헌

  1. Chisholm, C. J., D. J. Bottoms, M. J. Dwyer, J. A. Lines and R. T. Whyte. 1992. Safety, health and hygiene in agriculture. Safety Science 15(4-6):225-248 https://doi.org/10.1016/0925-7535(92)90018-U
  2. Choi, J. W., H. Seol and K. H. Ryu. 1997. Effects of the experimental vehicles on the greenhouse worker's workload. The korean Journal of Community living Science 8(1):7-13
  3. Gilchrist, L. A. and D. A. Winter. 1997. A multi-segment computer simulation of normal human gait. IEEE Transaction on Rehabilitation Engineering 5(4):290-299 https://doi.org/10.1109/86.650281
  4. Haisman, M. F., F. R. Winsmann and R. F. Goldman. 1972. Energy cost of pushing loaded handcarts. Journal of Applied Physiology 33(2):181-183 https://doi.org/10.1152/jappl.1972.33.2.181
  5. Haisman, M. F. and R. F. Goldman. 1974. Effects of terrain on the energy cost of walking with back loads and handcart loads. Journal of Applied Physiology 36(5):545-548 https://doi.org/10.1152/jappl.1974.36.5.545
  6. Hoozemans, M. J. M., A. J. van der Beek,, M. H. W. Fringsdresen and L. H. V. van der Woude. 1998. Pushing and pulling in relation to musculoskeletal disorders: a review of risk factors. Ergonomics 41(6):757-781 https://doi.org/10.1080/001401398186621
  7. Jung, M. C., J. M. Haight and A. Freivalds. 2005. Pushing and pulling carts and two-wheeled hand trucks. International Journal of Industrial Ergonomics 35:79-89 https://doi.org/10.1016/j.ergon.2004.08.006
  8. Jung, D. H. 1997. Basic Statistics. Bach-san Seo-dang, Seoul, Korea
  9. Kingma, I., M. P. de Looze, J. H. van Dieen, H. M. Toussaint, M. A. Adams and C. T. Baten. 1998. When is a lifting movement too asymmetric to identify low-back loading by 2-D analysis. Ergonomics 41(10):1453-1461 https://doi.org/10.1080/001401398186207
  10. Kim, K. R. 2008. A Study on the Farmers' Health Status and Musculo-skeletal Workload. Ph.D. thesis, Seoul National University, Seoul, Korea
  11. Kim, K. R. and J. W. Choi. 2005. Disease, accident and health behavior of in farmers and fishermen. Journal of Agricultural Medicine & Community Health 30(3):279-292
  12. Kim, K. S., K. R. Kim, H. C. Kim and K. S. Lee. 2006. Risk assessment and symptoms of musculo-skeletal misorders in melon farm workers. Journal of korean society of occupational and environmental hygiene 16(4):385:397
  13. Kumar, S. 1990. Cumulative load as a risk factor for back pain. Spine 15:1311-1316 https://doi.org/10.1097/00007632-199012000-00014
  14. Lee, K. 2006. CAD system for human-centered design. Computer-Aided Design & Applications 3(5):615-628 https://doi.org/10.1080/16864360.2006.10738415
  15. Lee, S. S., Y. H. Kim, A. R. Choi and J. H. Mun. 2008. A study on ergonomics design of wheelbarrow for melon farm on protected horticulture. Journal of Biosystems Engineering 33(3):157-166 https://doi.org/10.5307/JBE.2008.33.3.157
  16. Lim, D. S., K. S. Lee, H. R. Koo, K. R. Kim and K. H. Kang. 2006. A survey and analysis on the melon farmer's usage of the harvest carrier. Proceeding on Spring Conference of Korean Journal of Community Living Science 5:119
  17. Mack, K., C. M. Haslegrave and M. I. Gray. 1995. Usability of manual handling aids for transporting materials. Applied Ergonomics 26(5):353-364 https://doi.org/10.1016/0003-6870(95)00056-9
  18. Marras, W. S., K. P. Granta and K. G. Davis. 1999. Variability in spine loading model performance. Clinical Biomechanics 14:505-514 https://doi.org/10.1016/S0268-0033(98)90090-0
  19. Marras, W. S. 2000. Occupational low back disorder causation and control. Ergonomics 43:880-902 https://doi.org/10.1080/001401300409080
  20. Mathisson, B., A. Ingelgard, M. I. Johnasson and K. Nonas. 1994. Mechanical aids in manual materials handling - technical context and attitudes. In McFadden S, Innes L and Hill M (eds). Proceedings of the 12th Triennial Congress of the International Ergonomics Association, Toronto, 15 - 19th August 1994, Vol 4. pp. 33-37. Human Factors Association of Canada, Mississauga, Ontario
  21. McGill, S. M. 1997. The biomechanical of low back injury - Implications on current practice in industry and the clinic. Journal of Biomechanics 30(5):465-475 https://doi.org/10.1016/S0021-9290(96)00172-8
  22. Pan, C. S., K. M. Miller, C. Sharon and John A. Wu. 2004. Evaluation of a computer-simulation model for human ambulation on stilts. Journal of Mechanics in Medicine and Biology 4:283-303 https://doi.org/10.1142/S0219519404001041
  23. Sillanp, A. A., J. J. Lappalainen, A. Kaukiainen, M. Viljanen and P. Laippala. 1999. Decreasing the physical workload of construction work with the use of four auxiliary handling devices. International Journal of Industrial Ergonomics 24:211-222 https://doi.org/10.1016/S0169-8141(98)00030-4
  24. Wojtyra, M. 1999. Dynamical simulation of human walking. Proceedings of Tenth World Congress on the Theory of Machines and Mechanisms, pp. 1853-1858. Oulu, Finland
  25. Yingling, V. R. and S. M. McGill. 1999. Anterior shear of spinal motion segments. Kinematics, kinetics, and resultant injuries observed in a porcine model. Spine 24:1882-1889 https://doi.org/10.1097/00007632-199909150-00004

피인용 문헌

  1. Bio-mechanical Evaluation of Squatting Posture with Asymmetric Trunk Motion vol.36, pp.1, 2011, https://doi.org/10.5307/JBE.2011.36.1.58
  2. A Study on Low Frequency Band Selection as a Fatigue Parameter in Surface EMG during Isotonic Exercise of Biceps Brachii Muscle vol.36, pp.4, 2011, https://doi.org/10.5307/JBE.2011.36.4.285