The cumulative effects of work-related factors increase the heart rate of cabin field machine operators

Martin, Jay K.; Merganič, Ján; Allman, Michal; Ferenčík, Michal; Messingerová, Valéria

doi:10.1016/j.ergon.2017.08.003

Cited by 23 publications

(11 citation statements)

References 29 publications

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“…The strong association between HR and Borg-20 scores in the current study corroborates previous findings that HR can be used as a physiological measure for detecting as an early sign of physical stress on the body [39,40]. Previous studies indicated that the normal range of safe HR during heavy activities was between 120 and 160 beats/min [39,41]. Our participants' HR at the end of the 30-min task was between 100 and 146 beats/min, and the average post-task increase in HR was 50 beats/min (70% increments from baseline).…”

Section: Discussionsupporting

confidence: 91%

Cardiorespiratory and Thermoregulatory Parameters Are Good Surrogates for Measuring Physical Fatigue during a Simulated Construction Task

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et al. 2020

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Cardiorespiratory (e.g., heart rate and breathing rate) and thermoregulatory (e.g., local skin temperature and electrodermal activity) responses are controlled by the sympathetic nervous system. To cope with increased physical workload, the sympathetic system upregulates its activity to generate greater sympathetic responses (i.e., increased heart rate and respiratory rate). Therefore, physiological measures may have the potential to evaluate changes in physical condition (including fatigue) during functional tasks. This study aimed to quantify physical fatigue using wearable cardiorespiratory and thermoregulatory sensors during a simulated construction task. Twenty-five healthy individuals (mean age, 31.8 ± 1.8 years) were recruited. Participants were instructed to perform 30 min of a simulated manual material handling task in a laboratory. The experimental setup comprised a station A, a 10-metre walking platform, and a station B. Each participant was asked to pick up a 15 kg ergonomically-designed wooden box from station A and then carried it along the platform and dropped it at station B. The task was repeated from B to A and then A to B until the participants perceived a fatigue level > 15 out of 20 on the Borg-20 scale. Heart rate, breathing rate, local skin temperature, and electrodermal activity at the wrist were measured by wearable sensors and the perceived physical fatigue was assessed using the Borg-20 scale at baseline, 15 min, and 30 min from the baseline. There were significant increases in the heart rate (mean changes: 50 ± 13.3 beats/min), breathing rate (mean changes: 9.8 ± 4.1 breaths), local skin temperature (mean changes: 3.4 ± 1.9 °C), electrodermal activity at the right wrist (mean changes: 7.1 ± 3.8 µS/cm), and subjective physical fatigue (mean changes: 8.8 ± 0.6 levels) at the end of the simulated construction task (p < 0.05). Heart rate and breathing rate at 15 and 30 min were significantly correlated with the corresponding subjective Borg scores (p < 0.01). Local skin temperature at 30 min was significantly correlated with the corresponding Borg scores (p < 0.05). However, electrodermal activity at the right wrist was not associated with Borg scores at any time points. The results implied cardiorespiratory parameters and local skin temperature were good surrogates for measuring physical fatigue. Conversely, electrodermal activity at the right wrist was unrelated to physical fatigue. Future field studies should investigate the sensitivity of various cardiorespiratory and thermoregulatory parameters for real time physical fatigue monitoring in construction sites.

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Section: Discussionsupporting

confidence: 91%

Cardiorespiratory and Thermoregulatory Parameters Are Good Surrogates for Measuring Physical Fatigue during a Simulated Construction Task

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et al. 2020

IJERPH

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“…Timber logging, namely motor-manual, is connected with a high risk of an occupational accident (OA) occurring [15]. On the other hand, mechanized logging is considered relatively safe, though with the deployment of cut-to-length technologies, new risks emerge, connected with their increased complexity and mental strain of the operators [16][17][18].…”

Section: Of 17mentioning

confidence: 99%

What Are the Occupational Risks in Forestry? Results of a Long-Term Study in Slovakia

Martin

Allman

Allmanová

2019

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Temporal patterns in occupational safety and health can shed light on the efficiency of safety measures companies adopt and identify when workers are prone to occupational accidents. We analyzed these patterns to identify the effects of factors such as the share of salvage logging, experience, age, daytime, weekday, and more on the number of occupational accidents at Forests of the Slovak Republic (FSR). We analyzed a database of 2963 occupational accidents and 443 occupational illnesses suffered by FSR employees and contractors. We then analyzed a subset of said database, containing 401 accident records coded according to European Statistics at Work manual. We used regression and correlation analyses and generalized linear models to test the relationship between the accident frequency and volume of harvested timber and volume of salvage logging. We used logistic regression, chi2 tests, and Cramér’s V statistic to test when accidents occur within shifts, weeks, and months. We found the volume of harvested timber significantly affects the frequency of severe and fatal accidents of contractors (R 0.81; p < 0.05), whereas, for employees, the relationship was insignificant. Over time, the number of accidents and incidence rate decreased, and inexperienced or older workers were the most prone to accidents.

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“…Previous research reported strong associations between HR and subjective fatigue scores as measured by the Borg-20 scale (18,105). Other studies indicated that changes in HR during activity may be associated with work-related physical stress (106,107). Interestingly, measurements of HR from baseline to 30 minutes of work were not correlated with subjective fatigue scores over the same period.…”

Section: Discussionmentioning

confidence: 98%

Test-retest reliability, validity, and responsiveness of a textile-based wearable sensor for real-time assessment of physical fatigue in construction bar-benders

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et al. 2021

Journal of Building Engineering

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The cumulative effects of work-related factors increase the heart rate of cabin field machine operators

Cited by 23 publications

References 29 publications

Cardiorespiratory and Thermoregulatory Parameters Are Good Surrogates for Measuring Physical Fatigue during a Simulated Construction Task

Cardiorespiratory and Thermoregulatory Parameters Are Good Surrogates for Measuring Physical Fatigue during a Simulated Construction Task

What Are the Occupational Risks in Forestry? Results of a Long-Term Study in Slovakia

Test-retest reliability, validity, and responsiveness of a textile-based wearable sensor for real-time assessment of physical fatigue in construction bar-benders

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