How to Adjust an Office Chair to Prevent Sinking

You’re sitting in your office chair, minding your own business, when suddenly you start to sink. Slowly but surely, you find yourself getting closer and closer to the floor. Before long, you’re practically sitting on the ground.

There are a few possible reasons why your office chair might be sinking. It could be that the gas lift is worn out and needs to be replaced. Or, it could be that the seat itself is too soft and needs to be adjusted.

In any case, it’s important to fix the problem as soon as possible. Otherwise, you might start to experience back pain or other problems.

Here’s a step-by-step guide on how to adjust an office chair to prevent sinking:

How to fix office chair from sinking

The primary reason an office chair sinks is because the gas lift inside the chair has failed. This gas lift is what provides the tension that keeps the chair at the correct height. When it fails, the tension is released, and the chair slowly sinks. The gas lift can fail for several reasons, such as a manufacturer’s defect, general wear and tear, or because it was damaged when being moved.

Over time, an office chair can start to sink, which can be frustrating and uncomfortable. There are a few things you can do to adjust your chair and prevent this from happening. Let’s take a look.

Adjust the seat pan

If you find that your office chair sinks down when you sit in it, there are a few things that you can do to adjust it so that it doesn’t happen anymore. The first thing that you need to do is to adjust the seat pan. This is the part of the chair that you actually sit on, and it is usually adjustable. To adjust it, simply turn the knob or lever that is located under the seat until the seat is raised to the level that you want it to be.

The next thing that you need to do is to adjust the backrest. This is the part of the chair that supports your back, and it is also adjustable. To adjust it, simply turn the knob or lever that is located at the top of the backrest until it is in the position that you want it to be in.

The last thing that you need to do is to adjust the armrests. These are optional, but if your chair has them, they can be adjusted as well. To adjust them, simply loosen or tighten the screws that are holding them in place until they are in the position that you want them to be in.

Adjust the backrest

If your office chair has a recline feature, it’s important to adjust the backrest so that it doesn’t sink down too far when you lean back. Many chairs have a lever or knob that you can use to adjust the tension on the backrest. By turning this lever or knob, you can make the backrest tighter or looser, and this will affect how far it sinks down when you lean back.

If your chair doesn’t have a tension adjustment, you can try sitting in it and leaning back until you find a comfortable position. Once you’ve found this position, mark the spot on the backrest with a pen or pencil. This will give you an idea of how far the backrest should sink down when you lean back, and you can use this as a reference point for adjusting the chair in future.

Adjust the armrests

One way to prevent your office chair from sinking is to adjust the armrests. Most chairs have adjustable armrests, so you should be able to find a comfortable position for them. If the armrests are too low, they can cause you to sink into the chair. If they are too high, they can put pressure on your shoulders and neck.

Adjust the lumbar support

If your chair has lumbar support, adjust it until you feel the curve of your lower back being cradled. The backrest should rest at the small of your back and support your spine all the way up to your neck. If you can’t find a comfortable position for your back, try using a small pillow or lumbar roll to support your lower back.


Remember, it’s important to have an office chair that is properly adjusted to your specific body type and needs. If you are experiencing any discomfort while sitting in your chair, make sure to consult a professional to find the best solution for you.

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