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Box Handling in the Loading and Unloading of Vans

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The handling of 2,306 boxes being loaded or unloaded from vans onto or from 4-wheeled trolleys by 31 handlers in a warehouse were characterized. Handling was videotaped and characterized through an analysis grid completed by three trained observers. The following execution parameters were observed: nature of the exertion applied by the upper limbs, plane and direction of the exertion, resulting displacement of the box, grip, use of the lower limbs and the back. Results show that execution parameters used by handlers vary considerably from those usually recommended or studied. For example, symmetric grips were rarely used (4%). The grip was modified during the handling of half the boxes. Significant knee flexion was rarely observed (3% of exertions). Each box was moved by applying an average of . 3.5 different exertions. Exertions were mostly applied in a plane parallel to the shoulders; they were rarely executed in a strict sagittal plane (11%). The implication of these observations are discussed.
Rocznik
Strony
3--18
Opis fizyczny
Bibliogr. 42 poz., rys., tab.
Twórcy
autor
  • Universite du Quebec a Montreal
  • Universite du Quebec a Montreal
Bibliografia
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  • [7] Baril-Gingras, G., & Lortie, M. (1995). The handling of objects other than boxes: Univariate analysis of handling techniques in a large transport company. Ergonomics, 38, 905-925.
  • [8] Brown, J.R. (1973). Manual lifting and related fields. An annotated bibliography. Toronto: Ontario Ministry of Labour, Occupational Health and Safety Division.
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  • [10] Chaffin, D.B., Galley, L.S., Wooley, C.B., & Kuciemba, S.R. (1986). An evaluation of the effect of a training program on workers lifting postures. International Journal of Industrial Ergonomics, 1, 127-136.
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  • [12] Deeb, J.M., Drury, C.G., & Begbie, K.I. (1985). Handle positions in a holding task as a function of task height. Ergonomics, 28, 747-763.
  • [13] Dieën, J.H. Van, Huub, H.E., & Vrielink, O. (1994). Mechanical behaviour and strength of the motion segment under compression: Implications for the evaluation of physical work load. International Journal of Industrial Ergonomics, 14, 293-305.
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  • [18] Gagnon, M., Plamondon, A., Gravel, D., & Lortie, M. (1996). Knee involvement differentiates expert workers from novices in asymmetrical manual materials handling. Journal of Biomechanics, 29, 1445-1453.
  • [19] Gagnon, M., & Smyth, G. (1991). Muscular mechanical energy expenditure as a process for detecting potential risks in manual materials handling. Journal of Biomechanics, 24, 191-203.
  • [20] Garg, A., & Saxena, U. (1979). Effects of lifting frequency and technique on physical fatigue with special reference to psychophysical methodology and metabolic rate. American Industrial Hygiene Association Journal, 40, 894-903.
  • [21] Garg, A., Sharma, D., Chaffin, D.B., & Schmidler, J.M. (1983). Biomechanical stresses as related to motion trajectory of lifting. Human Factors, 25, 527-539.
  • [22] Hale, A.R., & Mason, I.D. (1986). L’évaluation du rȏle d’une formation kinetique dans la prévention des accidents de manutention [Assessment of kinetic training in the prevention of handling accidents]. Travail Humain, 49, 195-208.
  • [23] Hart, D.L., Stobbe, T.J., & Jaraiedi, M. (1987). Effect of lumbar posture on lifting Spine, 12, 138-145.
  • [24] Holmes, J.A., Damaser, M.S., & Lehman, S.L. (1992). Erector spinae activation and movement dynamics about the lumbar spine in lordotic and kyphotic squat-lifting Spine, 17,327-334.
  • [25] Imbeau, D., Beauchamps, Y., Normand, M.C., Courtois, P.-A., & Marchand, D. (1990). Manual lifting. Job design and research issues. In B. Das (Ed.), Advances in Industrial Ergonomics and Safety (pp. 627-634). London: Taylor & Francis.
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  • [27] Karwowski, W., & Brokaw, N. (1992). Implication of the proposed revisions in a draft of the revised NIOSH lifting guide (1991) for job redesign: A field study. In Proceedings of the Human Factors Society 36th Annual Meeting (pp. 659-663). Atlanta, GA: Human Factors Society.
  • [28] Keyserling, M.W. (1986). Postural analysis of the trunk and shoulders in simulated real time. Ergonomics, 29, 569-583.
  • [29] Keyserling, M.W., Brouwer, M., & Silverstein, B.A. (1993). The effectiveness of a joint 16 labor-management program in controlling awkward postures of the trunk, neck, and shoulders; results of a field study. International Journal of Industrial Ergonomics, 11, 51-65.
  • [30] Kroemer, K.H. (1992). Personnel training for safer material handling. Ergonomics, 35, 1119-1134.
  • [31] Kuorinka, I., Lortie, M., & Gautreau, M. (1994). Manual handling in warehouses: The illusion of correct working postures. Ergonomics, 37, 655-661.
  • [32] Lavender, S.A., Thomas, J.S., Chang, D., & Andersson, G .B J. (1994). The effects of lifting belts on trunk motions. In F. Aghazades (Ed.), Advances in Industrial Ergonomics and Safety (pp. 667-670). London: Taylor & Francis.
  • [33] Leskinen, T.P.J., Stålhammar, H.R., Kuorinka, I.A.A., & Troup, J.D.G. (1983). A dynamic analysis of spinal compression with different lifting techniques. Ergonomics, 26, 595-604.
  • [34] Lortie, M., Lamonde, F., Collinge, C., & Tellier, C. (1996). Analyse des accidents associs au travail de manutentionnaires sur les quais dans le secteur transport [Accidents in a population of handlers working in the transport industry]. Travail Humain, 59, 187-205.
  • [35] Lortie, M., & Pelletier, R. (1996). Incidents in manual handling activities. Safety Science, 21, 223-237.
  • [36] Mirka, G.A., & Marras, W.S. (1990). Lumbar motion response to a constant load velocity lift. Human Factors, 33, 493-501.
  • [37] Plamondon, A., Gagnon, M., & Gravel, D. (1995). Moments at the L5/S1 joint during asymmetrical lifting: Effects of different load trajectories and initial load positions. Clinical Biomechanics, 10, 128-136.
  • [38] Punnet, L., Fine, L J., Keyserling, W.M., Herrin, G.D., & Chaffin, D.B. (1991). Back disorders and nonneutral trunk postures of automobile assembly workers. Scandinavian Journal of Work and Environmental Health, 17, 337-346.
  • [39] Société Québécoise de Développement de la Main-d’oeuvre (1995). Analyse de métier: les manutentionnaires dans l’industrie du transport de marchandise [Trade characterization: The handler workers in the trucking industry]. Montréal, Qc: Author.
  • [40] St-Vincent, M., Lortie, M., & Tellier, C. (1989). Training in handling: An evaluative study. Ergonomics, 32, 191-210.
  • [41] Troup, J.D.G. (1979). Biomechanics of the vertebral column. Physiotherapy, 65, 238-243.
  • [42] Waters, T.R., Putz-Anderson, V., Garg, A., & Fine, L.J. (1993). Revised NIOSH equation for the design and evaluation of manual lifting tasks. Ergonomics, 36, 749-776.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d88b4e4d-6aee-4bd2-8cfe-9ce007cc3f78
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