Ergonomics: Preferred Work Zone
Ergonomics for the Prevention of Musculoskeletal Disorders: Guidelines for Retail Grocery Stores
Best and Preferred Work Zone
Performing work within the best and preferred work zones shown below facilitates productivity and comfort. Work is safest when lifting and reaching is performed in these zones. Working outside these work zones results in non-neutral postures that may increase the risk of injury. It is particularly important to perform heavy lifting tasks within the best work zone.
Best Work Zone
As far forward as your wrist when you hold your arm slightly bent
As wide as the shoulders
Upper level at about heart height
Lower level at about waist height
Preferred Work Zone
As far forward as your hand when you hold your arm out straight
A foot on either side of the shoulders
Upper level at shoulder height
Lower level at tip of fingers with hands held at the side
Occupational Safety & Health Administration (OSHA)
200 Constitution Avenue, NW
Washington, DC 20210
www.osha.gov