La ergonomía del pedal interruptor y el costo oculto de la fatiga en el trabajo prolongado
DOI:
https://doi.org/10.20983/cienciavital.2026.02.sal.02Palabras clave:
fatiga, pedal interruptor, sEMG, ergonomía, trastornos musculoesqueléticosResumen
Aunque suele pasar desapercibido, el pedal interruptor desempeña un papel importante en la salud y el desempeño de las personas que trabajan durante largos periodos de pie, como personal médico, técnico e industrial. Un diseño inadecuado, una ubicación incorrecta o la necesidad de aplicar demasiada fuerza pueden provocar fatiga, molestias musculares y aumentar el riesgo de errores durante las tareas. Este artículo explica cómo principios de ergonomía, la disciplina que adapta herramientas y espacios a las capacidades humanas, pueden aplicarse al diseño de estos dispositivos para mejorar la comodidad y la seguridad. También se describe el uso de la electromiografía de superficie, una técnica que mide la actividad eléctrica de los músculos mediante sensores colocados sobre la piel, para evaluar objetivamente el esfuerzo físico asociado al uso de distintos pedales. Comprender la relación entre diseño, fatiga y rendimiento permite identificar oportunidades para crear entornos de trabajo más seguros, eficientes y saludables, con beneficios tanto para las personas trabajadoras como para las organizaciones.
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K. H. E. Kroemer and E. Grandjean, Fitting the Task to the Human: A Textbook of Occupational Ergonomics, 5th ed. London, UK: CRC Press, 1997. doi: https://doi.org/10.1201/9780367807337
J. Dul and B. Weerdmeester, Ergonomics for Beginners: A Quick Reference Guide, 3rd ed. Boca Raton, FL, USA: CRC Press, 2008. doi: https://doi.org/10.1201/9781420077520
S. Pheasant and C. M. Haslegrave, Bodyspace: Anthropometry, Ergonomics and the Design of Work, 3rd ed. Boca Raton, FL, USA: CRC Press, 2006. doi: https://doi.org/10.1201/9781315375212
R. Bridger, Introduction to Ergonomics, 3rd ed. Boca Raton, FL, USA: CRC Press, 2008. doi: https://doi.org/10.1201/9781439894927
G. Salvendy, Ed., Handbook of Human Factors and Ergonomics, 4th ed. Hoboken, NJ, USA: Wiley, 2012. Disponible en: https://onlinelibrary.wiley.com
H. Jo, O.-B. Lim, Y.-S. Ahn, S.-J. Chang and S.-B. Koh, “Negative impacts of prolonged standing at work on musculoskeletal symptoms and physical fatigue: The Fifth Korean Working Conditions Survey,” Yonsei Medical Journal, vol. 62, no. 6, pp. 510–518, 2021. doi: https://doi.org/10.3349/ymj.2021.62.6.510
B. Hatscher, M. Luz and C. Hansen, “Foot interaction concepts to support radiological interventions,” i-com, vol. 17, no. 1, pp. 3–13, 2018. doi: https://doi.org/10.1515/icom-2018-0002
N. Handigol and M. Ketkar, “Ergonomic Foot Switch Design for Electric Biomedical Devices (Bipolar Cautery, Medical Electric Drills and Saw),” International Journal of Scientific Research, vol. 12, no. 7, 2023. Disponible en: https://www.researchgate.net/publication/372490301_Ergonomic_Foot_Switch_Design_for_Electric_Biomedical_Devices_Bipolar_Cautery_Medical_Electric_Drills_and_Saw
S.-W. Kim and S.-K. Hong, “Effects of footpad slope, movement direction and contact part of foot on foot-based interactions,” Applied Sciences, vol. 13, no. 11, Art. no. 6636, 2023. doi: https://doi.org/10.3390/app13116636
M. A. van Veelen, C. J. Snijders, E. van Leeuwen, R. H. M. Goossens and G. Kazemier, “Improvement of foot pedals used during surgery based on new ergonomic guidelines,” Surgical Endoscopy, vol. 17, no. 7, pp. 1086–1091, 2003. doi: https://doi.org/10.1007/s00464-002-9185-z
ISO 6385:2016 Ergonomic Principles in the Design of Work Systems. Geneva, Switzerland: International Organization for Standardization, 2016. Disponible en: https://www.iso.org/standard/63785.html
Secretaría del Trabajo y Previsión Social, NOM-036-1-STPS-2018. Factores de riesgo ergonómico en el trabajo. Parte 1: Manejo manual de cargas. México, 2018. Disponible en: https://www.dof.gob.mx
F. Nachreiner, “Standards for ergonomics principles relating to the design of work systems and to mental workload,” Applied Ergonomics, vol. 26, no. 4, pp. 259–263, 1995. doi: https://doi.org/10.1016/0003-6870(95)00029-C
H. J. Hermens, B. Freriks, C. Disselhorst-Klug and G. Rau, “Development of recommendations for SEMG sensors and sensor placement procedures,” Journal of Electromyography and Kinesiology, vol. 10, no. 5, pp. 361–374, 2000. doi: https://doi.org/10.1016/S1050-6411(00)00027-4
European Agency for Safety and Health at Work (EU-OSHA), Work-related Musculoskeletal Disorders: Prevalence, Costs and Demographics in the EU, 2019. Disponible en: https://osha.europa.eu/en/publications/msds-facts-and-figures-overview-prevalence-costs-and-demographics-msds-europe
World Health Organization (WHO), Musculoskeletal Health. Fact Sheet, 2022. Disponible en: https://www.who.int/news-room/fact-sheets/detail/musculoskeletal-conditions
R. Escorpizo, “Understanding work productivity and its application to work-related musculoskeletal disorders,” International Journal of Industrial Ergonomics, vol. 38, nos. 3–4, pp. 291–297, 2008. doi: https://doi.org/10.1016/j.ergon.2007.08.006
M. E. Queiroz-Lima and F. Serranheira, “Absenteeism and presenteeism costs from occupational accidents with WRMSDs in a Portuguese hospital,” DYNA, vol. 83, no. 196, pp. 43–50, 2016. doi: https://doi.org/10.15446/dyna.v83n196.56605
M. Kang, “Relationship Between Musculoskeletal Disorders and Productivity Loss Among Hospital Nurses: An Analytical Cross-Sectional Study With Secondary Data Analysis,” Journal of Nursing Scholarship, 2025. doi: https://doi.org/10.1111/jnu.70020
C. Greggi et al., “Work-Related Musculoskeletal Disorders: A Systematic Review,” Journal of Clinical Medicine, vol. 13, no. 13, Art. no. 3964, 2024. doi: https://doi.org/10.3390/jcm13133964
E. Barnard et al., “Ergonomics and work-related musculoskeletal disorders in interventional physicians: a review,” Current Problems in Diagnostic Radiology, 2021. Disponible en: https://pmc.ncbi.nlm.nih.gov/articles/PMC8544652/
B. Demissie et al., “A systematic review of work-related musculoskeletal disorders and risk factors among computer users,” Heliyon, vol. 10, no. 3, Art. no. e25075, 2024. doi: https://doi.org/10.1016/j.heliyon.2024.e25075
European Agency for Safety and Health at Work (EU-OSHA), OSH in Figures: Work-related Musculoskeletal Disorders in the EU — Facts and Figures, Luxembourg: Publications Office of the European Union, 2010. Disponible en: https://op.europa.eu/en/publication-detail/-/publication/5819be4f-0393-11eb-a511-01aa75ed71a1/language-en
N. S. Abarqhouei and H. H. Nasab, “Total ergonomics and its impact in musculoskeletal disorders and quality of work life and productivity,” Open Journal of Safety Science and Technology, vol. 1, no. 3, pp. 79–88, 2011. doi: https://doi.org/10.4236/ojsst.2011.13008
H. Jo et al., “Negative Impacts of Prolonged Standing at Work on Musculoskeletal Symptoms and Physical Fatigue: The Fifth Korean Working Conditions Survey,” versión de acceso abierto. Disponible en: https://pmc.ncbi.nlm.nih.gov/articles/PMC8149936/
U.S. Occupational Safety and Health Administration (OSHA), Ergonomics. Disponible en: https://www.osha.gov/ergonomics
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Derechos de autor 2026 Ing. Jessica Guerrero Macias
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-CompartirIgual 4.0.
