Abstract
There is a well-known fact, that in many small-towns in the sabana de Bogotá, young crops workers are getting total permanent incapacity in their hands, due to the job they are almost obliged to perform around their towns: Cutting flowers stems with unsuitable gardener’s scissors, causing a critical raise in the Carpal tunnel syndrome (CTS) incidence in this working population. On the other hand, this fact concerns not only to the social services companies, but also to the labour ministry, especially for the many compensations to pay monthly to an increasing number of affected workers, that sues the public office, causing an important detriment in the treasury, which finally affects all Colombians, nevertheless, there is yet a big amount of sub-registered cases. However, with this new design the incidence or CTS will be substantially reduced and therefore, the winning of these companies will be dramatically rocketed on the other hand. The design of a tool, like gardener’s scissors, lies in specifying and explaining in detail, its components and pieces, as well as the correlation among them. There are three main stages when considering a gardener’s scissors design: function, production, commercialization, the user/consumer, making sure the scissors turn out to be efficient in each one of this features.References
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Ahonen, Launis, y Kuorinka. (1989). Ergonomic Workplace Analysis.
Helsinki: Instituto Finlandés de Medicina del Trabajo.
Blumberg, M. (1988). Towards a new theory of job design. En Ergonomics of Hybrid Automated Systems, W Karwowski, HR Parsaei y MR Wilhelm. Amsterdam: Elsevier.
Campion, M. A. (1988). Interdisciplinary approaches to job design: A constructive replication with extensions. J Appl Psychol 73, 467-481.
Chaffin, DB. (1969). A computerized biomechanical model-development of and use in studying gross body actions. J Biomech 2, 429-441.
Chaffin, Andersson y Martin. (1999). Occupational Biomechanics. Third Edition, 252-269.
Chapanis, A. (1975). Ethnic Variables in Human Factors Engineering. Baltimore: Johns Hopkins University.
Coch, L. French, J. R. P. (1948). Overcoming resistance to change.
Hum Relat 1, 512-532.
Comité Europeo de Normalización (CEN). (1990). Ergonomic Principles of the Design of Work Systems. EEC Council Directive 90/269/ EEC, Minimal health and safety requirements for manual handling of loads. Bruselas: CEN.
Corlett, N. (1988). The investigation and evaluation of work and
workplaces. Ergonomics 31, 727-734).
Drury, C. G. (1987). A biomechanical evaluation of the repetitive motion injury potential of industrial jobs. Sem Occup Med 2, 41-49.
Edholm, O. G. (1966). The assessment of habitual activity. En Physical Activity in Health and Disease, K Evang y K Lange-Andersen. Oslo: Universitetterlaget.
Eilers, K, Nachreiner, F., Hänicke, K. (1986). Eastman Kodak Company. (1983). Ergonomic design for people at work. Vol. II: The design of jobs, including work pattners, hours of work, manual materials handling tasks, methods to evaluate job demands, and physiological basis of work. New York.
Fleishman, E. A., Quaintance, M. K. (1984). Toxonomies of Human
Performance: The Description of Human Tasks. Glesson, N. P. y Mercer, T.H. The Utility of Isokinetic Dynamometry in the Assessment of Human Muscle Function. Sports Med 21, 18-34.
Gowitzke, B. A. (s. f.). Understanding the scientifics bases of human movement.
Kapanji, I. A. (s. f.). Cuadernos de fisiología articular: Esquemas comentados de mecánica articular.
Konz, S. (1979). Design of Handtools. In Proceedings of the Human Factor Society Meeting. Boston, 293-300.
Konz, S. (1990). Workstation organization and design. Ergonomics
32, 795-811.
Kroemer, Khe, Kroemer, H. . Kroemer-Elbert Ke. (1994). Ergonomics: How to Design for Ease and Efficiency.
Llano, J. C. (2005). Curso Internacional en tendencias y oportunidades de investigación en salud ocupacional. Ministerio de la Protección Social. Ponencia.
Molina & Malaber (s. f.). Guía para el estudio de la anatomía y fisiología del movimiento humano.
Nicholas, J. (s. f.). Medicina Deportiva. Patología de las extremidades superiores.
NTP 311: Microtraumatismos repetitivos: estudio y prevención. (Redact. Mª Dolores Solé Gómez). Especialista en Medicina del Trabajo. Centro Nacional de Condiciones de Trabajo.
OIT. (1999). Enciclopedia de salud y seguridad en el trabajo. En OIT, Ministerio de Trabajo y Asuntos Sociales. (Ed.). Enciclopedia de Salud y Seguridad en el Trabajo. Madrid, España: Ministerio de Trabajo y Asuntos Sociales.
Scheaffer, Mendenhall & Ot. (1987). Elementos de muestreo. Muestreo irrestricto aleatorio. Capítulo 4, 57-60.
Staramler, J. H. (1993). The Dictionary of Human Factors Ergonomics. Boca Raton: CRC Press.
Woodson, W. E., Tillman, B. Tillman, P. (1991). Human Factors Design Handbook. Nueva York: McGraw-Hill.
Wakula, Berg y Landau Kurt, Popp. (s. f.). The Influence of forearm - wrist orientation, handgrip span and some anthropometric had parameters on static maximal grip strength as a
design criterion for pruning hand tools.
Zamudio, R. (2004). Mujer y contexto de género. Ponencia. Tenjo. Cundinamarca. Colombia.
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