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  • You are here: Home-> News->Tips to Adjust an Office Chair

    If you regularly work at a desk for computer work or study, you'll need to sit on an office chair that is correctly adjusted for your body to avoid back pain and problems. As doctors, chiropractors and physiotherapists know, many people develop seriously overstretched ligaments in their spine and sometimes even disc problems due to sitting on unfitted office chairs for long periods of time. However, adjusting an office chair is simple and only takes a matter of minutes if you know how to adapt it to your body's proportions.

     

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    Make sure your feet are placed at the right level compared to your seat. While sitting down with your feet flat on the ground, slide your fingers between your thigh and the edge of the office chair. There should be about a finger’s width of space between your thigh and the office chair.

    -If you're very tall and there's more than a finger's width between the chair and your thigh, you'll need to raise your office chair as well as your workstation to achieve the appropriate height.

    -If it's difficult to slide your fingers under your thigh, you'll need to raise your feet to attain a 90-degree angle at your knees. You can use an adjustable footrest to create a higher surface for your feet to rest on.

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    Assess the angle of your elbows with regard to the workstation. Sit as close to your desk as is comfortable with your upper arms parallel to your spine. Let your hands rest on the surface of the workstation or your computer keyboard, whichever you will use more often. They should be at a 90-degree angle.

    -Sit on the chair in front of your workstation as closely as possible and feel under the seat of the chair for the height control. This is usually located on the left side.

    -If your hands are higher than your elbows then the seat is too low. Raise your body off the seat and press the lever. This will allow the seat to rise. Once it's reached the desired height, let go of the lever to lock it into place.

    -If the seat is too high, remain seated, press the lever, and let go when the desired height is reached.

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    Establish the height of your workstation. Set up your workstation at the appropriate height. The most desirable situation is if you can change the height of your workstation but few workstations allow for this. If your workstation cannot be adjusted then you will have to adjust the height of your chair.

    -If your workstation can be adjusted then stand in front of the chair and adjust the height so that the highest point is just below the kneecap. Then adjust your workstation height so that your elbows form a 90-degree angle when you are sitting with your hands resting on the desk top.


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    Measure the distance between your calf and the front of your office chair. Clench your fist and try to pass it between your office chair and the back of your calf. There should be a fist-sized space (about 5 cm or 2 inches) between your calf and the edge of the chair. This determines whether the depth of the chair is correct.

    -If it's tight and difficult to fit your fist in the space, your chair is too deep and you'll need to bring the backrest forward. Most ergonomic office chairs allow you to do so by turning a lever below the seat on the right hand side. If you can't adjust the chair's depth, use a low back or lumbar support.

    -If there is too much space between your calves and the edge of the chair then you can adjust the back backwards. There will usually be a lever below the seat on the right hand side.

    -It's essential that the depth of your office chair is correct to avoid slumping or slouching while you work. Good lower back support will minimize the strain on your back and is a great precaution against low back injuries.


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    Adjust the height of the backrest. While sitting properly on the chair with your feet down and your calves a fist-space away from the edge of the chair move the backrest up or down to fit in the small of your back. This way it will provide the greatest support for your back.

    -You want to feel firm support over the lumbar curve of your lower back.

    -There should be a knob on the back of the chair allowing the backrest to move up and down. Since it is easier to lower the backrest than to raise it while sitting, start by raising it all the way up while standing. Then sit in the chair and adjust the backrest down until it fits in the small of your back.

    -Not all chairs will allow you to adjust the height of the backrest.