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Articles by Pavel Natov

Category : Review article

article id 10709, category Review article
Pavel Škvor, Martin Jankovský, Pavel Natov, Jiří Dvořák. (2023). Evaluation of stress loading for logging truck drivers by monitoring changes in muscle tension during a work shift. Silva Fennica vol. 57 no. 1 article id 10709. https://doi.org/10.14214/sf.10709
Keywords: timber transportation; biofeedback; driver; electromyography; physical load
Highlights: This study compared the workload of drivers when driving different types of vehicles; The combination of a truck and trailer exposes the driver to a significantly greater workload than trucks without trailers; The workload of drivers varied during a work shift i.e. drivers experienced significantly more workload in the middle of their work shifts.
Abstract | Full text in HTML | Full text in PDF | Author Info

Our research aimed to quantify and evaluate the stress loading of drivers by monitoring the loading of the radial extensor muscle at the wrist joint (musculus extensor carpi radialis) when they drove different types of timber trucks. We monitored changes in the electric potential of skeletal muscles with electromyographic measurements and measurements of changes of heart rate using the Biofeedback 2000 x-pert device. The drivers were observed throughout their work shifts during normal operation of logging trucks and logging trucks with trailers. As a reference, muscle load was measured when driving a passenger car. We evaluated the normality of the measured data and obtained descriptive statistics from the individual measurements. The differences in stress load associated with driving the different types of vehicles increased whilst driving on lower-class roads. Results showed a high stress load for drivers of loaded vehicles when driving on narrow roads. It was more challenging to control a loaded logging truck with a trailer than driving a logging truck, with the difference in muscular loading reaching 22.5%. Driving a logging truck with a trailer produced 46.5% more muscle loading compared to driving a loaded passenger car. For preventive health and safety reasons, it would be reasonable to alternate between drivers when operating various vehicles, thus minimizing the development of possible health issues.

  • Škvor, Department of Forestry Technologies and Construction, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic ORCID https://orcid.org/0000-0001-7540-4761 E-mail: skvorp@fld.czu.cz (email)
  • Jankovský, Department of Forestry Technologies and Construction, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic E-mail: jankovskym@fld.czu.cz
  • Natov, Department of Forestry Technologies and Construction, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic E-mail: natov@fld.czu.cz
  • Dvořák, Department of Forestry Technologies and Construction, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic ORCID https://orcid.org/0000-0002-5986-8002 E-mail: dvorakj@fld.czu.cz

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