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Ergonomic assessments of supermarket cashiers.

Authors
Orgel-D; Milliron-M; Fredrick-L; Baron-S; Habes-D
Source
Appl Occup Environ Hyg 1991 Jan; 6(1):14-16
NIOSHTIC No.
00197828
Abstract
The results of two ergonomic assessments of supermarket cashiers were summarized. The first consisted of ergonomic analyses of the checkout work stations in a supermarket in response to a request to evaluate musculoskeletal injuries, particularly those of the upper neck and shoulder, in the employees. The study consisted of ergonomic analyses of the checkouts and questionnaire surveys of the cashiers' symptoms. Reaching to the far corner of the checkout stands caused excess trunk flexion and improperly situated keyboards could cause excessive static stress and shoulder flexion. The checkout stands were redesigned by placing a physical barrier at the far corners to prevent overreaching and installing adjustable keyboards. The cashiers were required to view a videotape of proper checkout work practices. A followup survey 4 months later revealed that the number of symptoms originating from the neck, back, shoulder, low back, or leg was sharply reduced. The second study was a survey of the prevalence of upper extremity cumulative trauma disorders in a supermarket chain. Checker work practices and the checkout stand design were found to be contributing to postural stresses. Recommendations included locating the scale, scanner, and keyboard in front of the cashier, placing a bag stand to the right of the cashier, providing an adjustable sit/stand bar in the checkstand area to allow the cashier to rest whenever possible during the job cycle, and eliminating certain cashier practices.
Keywords
NIOSH-Author; Epidemiology; Grocery-stores; Ergonomics; Work-practices; Work-analysis; Cumulative-trauma-disorders; Occupational-health; Physiological-stress; Retail-workers
CODEN
AOEHE9
Publication Date
19910101
Document Type
Journal Article
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1047-322X
Source Name
Applied Occupational and Environmental Hygiene
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