Physical, mental, emotional, and subjective workload components in train drivers

Myrtek, Michael; Deutschmann-Janicke, E; Strohmaier, Heidi; Zimmermann, W; Lawerenz, S; Brügner, Georg; Müller, Wolfgang P.

doi:10.1080/00140139408964897

Cited by 62 publications

(45 citation statements)

References 16 publications

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“…In train drivers, RMSSD decreased during driving when compared with that during sleep, while it increased a little during standing 53) .…”

Section: Train Drivingmentioning

confidence: 99%

“…Decreased RMSSD during train driving 53) indicates that physical or mental workload during train driving may cause adverse effects on HRV.…”

Section: Train Drivingmentioning

confidence: 99%

“…Train driving contains physical and mental workload components 53) . Decreased RMSSD during train driving 53) indicates that physical or mental workload during train driving may cause adverse effects on HRV.…”

Section: Train Drivingmentioning

confidence: 99%

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Heart Rate Variability in Occupational Health ―A Systematic Review

2009

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BackgroundCardiovascular disease (CVD) is the leading cause of mortality and morbidity in industrialized countries 1) . In a working population, occupational factors are believed to pose a threat to workers' cardiovascular health. Substantial research has shown that adverse physical and psychosocial work environments and working conditions, such as shift work and excessive workload, are related to CVD. To examine the acute and chronic effects of such work-related factors on the cardiovascular system, cardiac autonomic nervous system activity during work and rest has been assessed by heart rate variability (HRV).Heart rhythm is recorded by electrocardiography. The measured signal shows a series of waves that present electrical events in the four chambers and the conduction pathways within the heart. The time interval between consecutive R waves that correspond to the contraction of the ventricles is called the RR interval (RRI). HRV is a time series of RRIs that fluctuate beat by beat in healthy humans because of time-to-time changes in activities of sympathetic and parasympathetic nerves innervating to the sinus node.HRV is generated in part by periodic inputs of both respiration and blood pressure variability into the medullary cardiovascular centers 2) . These periodic modulations are clearly identified within the power spectrum of HRV as peaks at the respiratory frequency (≈ 0.25 Hz) and at the frequency of the well-known Mayer wave (0.1 Hz) in blood pressure variability 1,3) .Heart rate increases and decreases during inspiration and expiration, respectively. This is mainly caused by the physiological fact that parasympathetic output from the cardiovascular center is inhibited during inspiration 4) . Respiratory rhythm during rest is about 0.25 Hz. Therefore, exposure to occupational toxicants and hazardous environments), psychosocial workload (i.e. job stressors), and working time (i.e. shift work) had been examined and identified as having associations with low HF power. These findings may indicate that research into parasympathetic nervous system activity should be focused to protect cardiovascular health at work. We also propose the use of very low and ultralow frequency HRV components in autonomic research for workers' health.

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“…In train drivers, RMSSD decreased during driving when compared with that during sleep, while it increased a little during standing 53) .…”

Section: Train Drivingmentioning

confidence: 99%

“…Decreased RMSSD during train driving 53) indicates that physical or mental workload during train driving may cause adverse effects on HRV.…”

Section: Train Drivingmentioning

confidence: 99%

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Heart Rate Variability in Occupational Health ―A Systematic Review

2009

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“…Errors may have disastrous consequences (Reason 2000). Hence, work in the railway service is challenging regarding the degree of responsibility, mentally demanding and often stressful (Myrtek et al 1994). Station master, train driver and traffic controller have to maintain alertness, and respond immediately to irregular events and critical signals.…”

Section: Introductionmentioning

confidence: 99%

Railway-controller-perceived mental work load, cognitive failure and risky commuting

2012

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“…For train drivers there have been some reports of psychophysiological measurements of workload (e.g. Caban et al, 1993 andMyrtek et al, 1994), and Hamilton and Clarke (2005) developed and proposed ATLAS as an analytical tool to assess train driver workload, from an information-processing angle. For signalling, there have been one or two contributions.…”

Section: Assessing Mental Workload and The Railway Signallermentioning

confidence: 99%