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Comparative Study
. 1999 Jul;4(3):245-55.
doi: 10.1037//1076-8998.4.3.245.

Psychophysiological stress responses, muscle tension, and neck and shoulder pain among supermarket cashiers

U Lundberg  1 , I E Dohns, B Melin, L Sandsjö, G Palmerud, R Kadefors, M Ekström, D Parr
Affiliations
Comparative Study

Psychophysiological stress responses, muscle tension, and neck and shoulder pain among supermarket cashiers

U Lundberg et al. J Occup Health Psychol. 1999 Jul.

Abstract

This study examined psychological and physiological stress, as well as muscle tension and musculoskeletal symptoms, among 72 female supermarket cashiers. Stress levels were found to be significantly elevated at work, as reflected in the catecholamines, blood pressure, heart rate, electromyographic (EMG) activity, and self-reports. Fifty cashiers (70%) suffering from neck-shoulder pain (trapezius myalgia) were found to have higher EMG activity at work and reported more tension after work. Women who kept a diary for 1 week and reported more musculoskeletal pain (above the median) were older, had higher blood pressure, and reported more work stress and psychosomatic symptoms. The elevated stress levels at work are consistent with data from workers involved in other types of repetitive tasks and can be important for the high prevalence of neck and shoulder symptoms among the cashiers.

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