Visual and psychological stress during computer work in healthy, young females-physiological responses

International Archives of Occupational and Environmental Health
Randi MorkHanne Mari Schiøtz Thorud

Abstract

Among computer workers, visual complaints, and neck pain are highly prevalent. This study explores how occupational simulated stressors during computer work, like glare and psychosocial stress, affect physiological responses in young females with normal vision. The study was a within-subject laboratory experiment with a counterbalanced, repeated design. Forty-three females performed four 10-min computer-work sessions with different stress exposures: (1) minimal stress; (2) visual stress (direct glare); (3) psychological stress; and (4) combined visual and psychological stress. Muscle activity and muscle blood flow in trapezius, muscle blood flow in orbicularis oculi, heart rate, blood pressure, blink rate and postural angles were continuously recorded. Immediately after each computer-work session, fixation disparity was measured and a questionnaire regarding perceived workstation lighting and stress was completed. Exposure to direct glare resulted in increased trapezius muscle blood flow, increased blink rate, and forward bending of the head. Psychological stress induced a transient increase in trapezius muscle activity and a more forward-bent posture. Bending forward towards the computer screen was correlated with higher produ...Continue Reading

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Citations

Jul 10, 2019·International Archives of Occupational and Environmental Health·Randi MorkHanne-Mari Schiøtz Thorud
Apr 21, 2020·Work : a Journal of Prevention, Assessment, and Rehabilitation·Susanne GlimneCecilia Österman
Jan 6, 2019·International Journal of Environmental Research and Public Health·Kuan-Han LinPo-Ching Chu
Dec 19, 2020·Scientific Reports·Lindsey M Ward, Zoï Kapoula
Jan 20, 2022·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·G Prabu RajaNabeela Naaz

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