Ergonomics Recommendations for Remote Work
For a majority of individuals who have been working from home for the first time, getting the correct home office setup has presented some challenging problems – “Setting up an effective space that can be used for safe and productive work”. Sometimes space within the home is limited and office space may double as a dining space, kitchen counter, or general use area.
Other times, a desk and chair are present, but may not have the adjustability needed to provide a suitable long-term work environment. When setting up the homework environment remember to implement ergonomics basics.
Implement Ergonomics Basics
Ergonomics is about fitting the tasks being performed to the capabilities of the human performing them. To this end, key ergonomic concepts can be summed up with one word ‘N-E-W’. Remembering this acronym will help you when working at your office or home maintain productivity and more importantly, reduce injury risk.
N – Neutral Posture: Attain a proper posture while performing sitting or standing work; a neutral seated posture should include sitting with the neck straight, shoulders straight down loosely at the sides, elbows at a right angle, wrists straight, low back supported on the back rest of the chair, 90o at the hips, 90o at the knees, and feet flat on the floor or on a footrest.
E – Eye and Elbow Height: Whether seated and standing – ensure that the keyboard (ASDF home row) and mouse are positioned at the elbow level. The top of the monitor should be at or slightly below eye height.
W – Work Area: Keep items that are used often in the primary work zone (the area when elbows are at the sides and the hands are moved side to side, see figure); keep items that are used less often in the secondary work zone (area within the outstretched arms). In the office, the keyboard and mouse should be in the primary work zone, centered with the user and the monitors.
In addition to implementing the NEW principles, following some basic ergonomic tips will go a long way to reduce the risk of injuries (“musculoskeletal disorders or MSDs”) and increase the level of comfort without sacrificing the ability to stay productive.
Basic Ergonomic Tips
Various resources and tools are available to ensure the ergonomic setup of office workstations. Some of these resources are listed below:
The key components in any office setup, whether at home or in a business office, include seating, the work surface (table or desk), and external accessories such as keyboards, mice, monitors, and other peripherals. Some important characteristics of home office equipment include:
Seating: Ergonomic seating aims to increase individual efficiency, reduce fatigue, and facilitate proper posture. Unfortunately, the factors most often emphasized when selecting and purchasing chairs are cost and appearance. Seats that lack adjustability can result in poor working postures, which increase the likelihood of body discomfort or musculoskeletal disorders. Lack of adjustability almost guarantees some degree of static muscle loading (the same posture or position is held for an extended period without proper support e.g. unsupported arms while typing for an extended time). Some questions that need be considered in the selection of chairs include:
Table/Desk: The work area should be adequate to hold the equipment needed to perform the work. In a typical office setup, there should be space for a laptop, external keyboard and mouse, and monitor (if present) as well as for any written or reference material that may be needed. The working height (desk or table) should so that the ASDF row of the keyboard is at elbow height. When seated, the feet should be flat on the floor or on a footrest. If possible, avoid glass-topped tables and desks due to the glare. If using a laptop, place the laptop on the desk surface. Adjust the armrests on the chair to fit the seated elbow height. Raise the seat of the chair so that the elbows are even with the desk. Move the desk lamp, if necessary, so that the light is not directed to the eyes. Avoid pressure points on the wrists and arms by staying away from the sharp edges of the table.
External Accessories: An external mouse is possibly the single most important accessory when working outside the office (on a laptop) for more than 20 minutes.
An external keyboard allows the flexibility to raise the laptop monitor to an ideal height for a neutral neck posture. This allows independent adjustment of both the laptop screen and the external keyboard to obtain a better position for both the arms and wrists as well as the neck.
Align the top of the monitor screen with the user's seated eye height (when the user has no glasses, wears computer glasses, or wears single prescription lenses). If progressive, bi-focal, or tri-focal lenses are worn, position the monitor so that the neck is neutral (straight) while looking through the glasses to view the monitor. If more than one person is using the same setup, some monitor adjustability may be needed.
A laptop-stand or monitor riser can assist with proper monitor alignment. Place the monitor between 20 to 40 inches away from the face and so the top of the screen is at or below eye level. Make sure to give the eyes frequent breaks.
A footrest might be needed if the feet do not rest completely on the floor once the chair height has been properly adjusted. The footrest should be adjustable in height and inclination and provide sufficient area for the feet on the face surface of the nonskid bearing surface so that the feet do not slip off the footrest.
Smartphones, tablets, iPad, and other devices have their own considerations. Below are some tips to keep in mind:
Home Office Do-It-Yourself (DIY) Suggestions
Seating: Find the best and most comfortable chair. A hard chair does not support the back or the lower extremities. A cushion provides both support to keep one comfortable and also provides a breathable fabric interface. Additionally, in order to attain a neutral posture, a cushion or memory foam can raise the seat height so that the elbows are closer to the work surface. If the seat does not have lumbar support, use a pillow or a rolled-up towel. If a chair without armrests is selected, consider pushing the keyboard and mouse back slightly to use the work surface for forearm support.
Table/Desk: Select a proper work surface such as a dining table or countertop. If a sit to stand type work desk is considered, use stable boxes or step stools to place the laptop or monitor on the work surface to attain the appropriate height for standing work. Make sure the edge of the work surface is not sharp. Sharp edges provide pressure points on wrists and forearms. A simple fix could be to line the worksurface edges with a table edge protector.
External Accessories: Connect a personal computer monitor or TV screen to the laptop. If the laptop (when using an external keyboard and mouse) or the monitor is too low, they can be raised using books, boxes, or reams of paper.
If the feet do not comfortably rest on the floor, use a footrest. Footrests can be purchased or can be made by using stable boxes, reams of paper, step stools, etc. The aim should be to have a right angle at the knees and hips with feet comfortably supported.
In order to minimize external noise, use a headphone with a microphone for teleconference calls or to reduce outside noise while working. When possible, use the time during the calls to stand up, walk, and stretch.
During these exceptional times, people working from home can use these recommendations and ensure they can continue to work safely and productively. Although proper ergonomic setup can be obtained, it is important for individuals who have a history of related injuries (such as musculoskeletal disorders) and other disorders to seek the assistance of a certified professional ergonomist (CPEs).
The environment, chair, desk, mouse, keyboard, and other items should be optimally designed and positioned based on the tasks performed, specific body measurements, and personal factors that only a well-trained ergonomist can determine, evaluate, and synthesize. Social distancing still can be followed by using remote or virtual ergonomic assessment techniques where ergonomists can obtain the most pertinent information to recommend an optimum workstation setup.
Contact us today to get the right seating, tables/desk, or monitor arms today, or Shop Now.
Citations: Anand Subramanian, Brandy Farris Miller, and Jeffery Fernandez
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