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An ergonomics evaluation of cashier work activities at checker-unload workstations.

Authors
Grant-KA; Habes-DJ; Baron-SL
Source
Appl Ergon 1994 Oct; 25(5):310-318
NIOSHTIC No.
00222951
Abstract
The possible increased risk of musculoskeletal injury to grocery check out personnel who were required to unload the customer's cart as well as carry out their regular duties was investigated. The postures of 12 grocery store cashiers using one of three checker unload workstations were compared with the postures of ten cashiers using a front facing, customer unload design. Three grocery stores in the St. Louis metropolitan area were included in the study. Awkward shoulder and trunk postures were noted among cashiers at all three stores using the checker unload designs examined. Cashiers who remove items from the cart for scanning exhibited a significantly higher percentage of awkward trunk postures and awkward shoulder postures than cashiers who remove items from a conveyor for scanning. The frequency with which cashiers were required to lift the item at some point during the scan was dramatically increased among those who also unloaded the carts. The authors suggest the following measures to reduce the problem: matching the height of the cart with the height of the checkstand; providing special grocery carts designed for over the counter use; and locating scales immediately adjacent to the scanner, or providing a combined scanner/scale.
Keywords
NIOSH-Author; Muscle-function; Muscle-stress; Physical-stress; Musculoskeletal-system-disorders; Back-injuries; Human-factors-engineering; Posture; Skeletal-stress; Ergonomics; Workplace-studies; Retail-workers
CODEN
AERGBW
Publication Date
19941001
Document Type
Journal Article
Fiscal Year
1995
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0003-6870
NIOSH Division
DBBS; DSHEFS
Priority Area
Musculoskeletal-system-disorders
Source Name
Applied Ergonomics
State
OH
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