Psychophysiology of work: Stress, gender, endocrine response, and work‐related upper extremity disorders*

Ulf Lundberg

223 citations0/0 files storedAmerican Journal of Industrial Medicine

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Ergonomics and Musculoskeletal Disorders Workplace Health and Well-being Effects of Vibration on Health

Abstract

BACKGROUND: Mental stress may induce muscle tension and has been proposed to contribute to the development of work related upper extremity disorders (WRUEDs) by driving low threshold motor units into degenerative processes by overload. METHODS AND RESULTS: Measurements of perceived stress, catecholamines, blood pressure, and heart rate are associated with stress induced elevation of trapezius electromyographic activity. In repetitive tasks, where WRUEDs are common, psychophysiological arousal is generally high both during and after work. A possible explanation of the high prevalence of WRUEDs among women could be that women often are performing repetitive tasks and are exposed to additional stress from unpaid work. CONCLUSIONS: It is concluded that both physical and psychosocial work conditions may contribute to WRUEDs by inducing physiological stress and muscle tension.

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References

1979Job Demands, Job Decision Latitude, and Mental Strain: Implications for Job Redesign 1998The Contours of Positive Human Health 1993Electromyographic evaluation of muscular work pattern as a predictor of trapezius myalgia.1999Socioeconomic Status and Health in Industrial Nations: Social, Psychological and Biological Pathways 1991Static work loads and occupational myalgia a new explanation model 2000The role of muscle activity and mental load in the development of pain and degenerative processes at the muscle cell level during computer work 1997Load pattern and pressure pain threshold in the upper trapezius muscle and psychosocial factors in medical secretaries with and without shoulder/neck disorders

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