Grocery Store Checkstands. Ergonomics Design Guidelines to prevent WMSDs. Credits . The technical contents of this slide show are mainly based upon the publication “Guidelines for Retail Grocery Stores” OSHA publication 3192-05N 2004. You may click here to download a copy of this publication.
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Ergonomics Design Guidelines to prevent WMSDs
The technical contents of this slide show are mainly based upon the publication “Guidelines for Retail Grocery Stores” OSHA publication 3192-05N 2004.
You may click here to download a copy of this publication
WMSDs hazardous exposures
when checking out groceries
How to identify grocery store check stand design problems using a specific checklist
Ergonomics guidelines for the design of a check stand
The neutral posture at a check stand
Best body zones in which to work
Sit or stand at a check stand?
Lifting above the shoulders, below the knees or at arms length
Repetitive motions with the neck, shoulder and arm
Neck and back bending
Forceful gripping; specially when handling heavy items as pet-food bags, 24 packs of sodas.
This checklist developed by OSHA, provides a practical guide for the evaluation of a check stand design
Click on this image to download a copy
Are items within easy reach?
Are keyboards adjustable?
Can the cashier work with items at about elbow height?
Can the display be read without twisting?
Are all edges rounded so the cashier does not come into contact with sharp edges?
Are objects easily scanned for the first time?
Are objects scanned without twisting hand motions?
Can cashiers scan heavy/bulky/awkward items without lifting them?
Are the scale, conveyor, and horizontal scanner plates all at the same height?
Is the scanner plate clean and unscratched?
Does the cashier have an anti-fatigue mat and/or foot rest?
Can the cashier recline or semi-seat on any surface of the checkstand?
Can the bagger adjust the height of the bag stand?
Are all edges rounded so that the bagger does not come into contact with sharp or hard edges?
Do bags have handles?
Can the bagger put bags into carts without leaning over the check stand or twisting the back?
“the ideal ergonomic solution would be to offer the cashier the possibility of changing between sitting and standing[…] as a means of reducing foot, leg and lower back pain.”
(Lannersten & Harms-Ringdhal, 1990; Wells, 1993)
The following section provides you with the design guidelines to an easy-to-use, safer checkstand.
The more guidelines you can implement at your store, the better for your employees and business.
Use a powered in-feed conveyor to bring items to the cashiers best work zone.
Use a “sweeper” to move items on the conveyor within the checker’s reach.
These practices may reduce leaning and reaching.
Locate commonly used items such as the cash drawer and the printer within easy horizontal reach.
Place in-feed and take-away conveyor belts as close as possible to the cashier to minimize reaching.
Consider using checkstands designed with an adjustable sit/stand or lumbar support against which cashier can lean.
Remove, round-off or pad sharp or hard edges with which the cashier may come into contact.
Provide adequate toe space (at least 4 inches) at the bottom of the workstation. Toe space allows cashiers to move closer to the checkstand, reducing reaching postures.
Use footrests and anti-fatigue mats in areas where workers stand for long periods. Standing on anti-fatigue mats, as compared to bare floors provides a noticeable improvement in comfort.
Place the conveyor belt electronic eye close to the scanner, but allow sufficient area between the eye and the scanner to orient items and to ensure the belt does not push items into the scanning window.
Preferred work zone
Perform work within the preferred (green) work zone
Consider using keyboards to enter the quantity of identical products rather than scanning each individual item.
Use keyboard to enter code if item fails to scan after second attempt.
Place keyboards on supports that adjust in height, horizontal distance and tilt to keep work within the preferred zone.
Use front facing checkstands to reduce twisting motions and extended reaches to the side.
Adjust the checkstand height to match the cashier’s waist height, or use a platform.
Place the cash register displays at or slightly below eye level.
Use scan cards or scan guns for large or bulky items to eliminate the need to handle them.
Set scanners and conveyors at the same height so that cashiers can slide items across rather than lift them.
Establish a regular maintenance schedule for scanners; clean dirty plates and replace scratched ones.
Use combined scales/scanners.
Provide an adjustable-height bag stand. In bagging areas, the tops of plastic bags should be just below the conveyor height.
To avoid extended reaches when loading bags into carts, move carts closer to the employee.
Use bags with handles. Handles make the bags easier and less stressful to carry.
Use carts to carry bags and groceries outside the store.
Consider using powered-tugs when retrieving carts from the parking area. Powered tugs facilitate moving more carts with more efficiency and less effort.
OSHA Guidelines for Retail Grocery Stores
David Beardmore (1998) "The Identification & Control of Musculoskeletal Risks To Supermarket Checkout Workers“
Grocery Stand Design
Ideas to reduce hazardous exposures can be found at the Ergonomics Ideas Bank
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