What does the knob under my chair do
What does the knob under my chair do

What Does the Knob Under My Chair Do?

Have you ever thought about what the knob under my chair does? And how can you use it? It is a fact most of the customers have not well researched before purchasing the chair. Especially when it comes to the tilt tension feature, which can be controlled by the knob under the chair.

If you are one of them then don’t worry. Today I will tell you about the importance of knob. The office chair’s underside knob is an important component of an ergonomic chair. It supports your desire for reclining when you wish to take a short break or nap at work. There are different features on every mechanical chair. But the knob under the chair is common in all chairs. Expensive chairs may have a more number of knobs than normal.

Mostly office chair’s knobs and levers often indicate that you can tilt and adjust the seat. if you are looking for what does the knob under my chair do? You have come to the right place. Now without taking your time move towards more features of knobs

What does the knob under my chair do

Height adjustment knob

Your feet need to touch the ground in order to sit on a chair properly. Your feet may become numb if there is no support. The best way to get rid of you needs to adjust your seat height.

The height of an office chair is not standardized. It depends on your need. Different brands have different heights of chairs. The average height of the chair is between 16 and 21 inches.

 A chair if is too short, you will experience discomfort because the desk’s height will not be according to the chair. The legs of a chair will suffer if it is too high. Your legs will be pressed against a high chair, which will make you feel uncomfortable the entire day. Hence you need a knob to adjust the height.

You can adjust the chair to your height with the help of the height adjustment knob. You can find the height-adjustment knob under your chair, towards the side. If you want to change the height. You will simply hold the knob while adding weight to lower the chair’s height. Similarly, if you want to rise higher the chair, hold the knob while adding no weight to the chair.  

Seat angle adjustment knob

As you know long periods of sitting are already a difficult task. it becomes worse by sitting in the wrong position or angle all day. The seat angle knob enables you to change the seat’s angle from its original position. You can recline the seat back to feel less like you are seated in a chair and more like a bed.  This is to make sure that you are seated comfortably and at the right angle for your posture.

The working of the angle adjustment knob is very simple. The important task of the seat angle adjustment is to lower or raise one of the seat sides. The front side of the seat will lower if you turn the knob counterclockwise. However, if you choose an anticlockwise rotation, the back of the seat will incline or move upward.

Backrest position adjustment knob:

By adjusting the backrest knob, you can change the height of the headrest on your office chair. The backrest angle knob is used to change the backrest angle. This is primarily used to keep the headrest close to your back. This knob is important to ensure that you are sitting comfortably and at the right angle for your posture.

You can provide better back support by adjusting the back height. When you are leaning back proper support that extends to your shoulders is important.

This knob can be found under the backrest. You need to first loosen the knob before you can adjust it. The backrest can then be adjusted according to your needs and comfort. You can push it lower or pull it higher.

Tilt tension adjustment knob

Long sitting is difficult, as has already been discussed. If you are seated for too long, you feel the need to lie down or take a break. The tilt tension knob is there to give you some relief from long periods of sitting. The chair tilt tension will allow you to adjust the backrest depending on your demands The tilt tension knob, as its name suggests, increases or decreases the tension in your chair.

These knobs are primarily designed to help you in the suspension of your chair. It expresses the weight and load-carrying capacity of your chair. You can adjust the tension of the chair and lower it for comfort if the chair has a higher load capacity.

The tilt tension knob is located underneath your office chair. The chair tilt mechanism regulates the placement of the chair springs. It enables the users to make different chair adjustments that make sitting more comfortable.

Seat depth adjustment knob:

Seat depth adjustment knob is not present in every office chair. If the lower side of your knees is touching the seat, then there is a risk of pressure that cut off the circulation of your blood. It is essential because it aids in maintaining normal blood flow in your legs. You can turn this knob to move the seat inward or outward depending on your needs,

Armrest height adjustment knob

The armrest height knob is used to adjust the armrest height. By doing this, you can make sure that your elbows are at a comfortable level and your shoulders are not under stress. The armrest height can be adjusted by locating the dial of height adjustment which is on the outside of the armbar. Turn the dial clockwise to raise it and counterclockwise to lower it.

Lumbar support adjustment knob:

A lumbar support knob under your chair may be used to adjust the lumbar support. Lumbar support is the lower back support provided by the chair to help maintain proper posture and reduce strain on the back muscles. By adjusting the knob, you can increase or decrease the amount of lumbar support provided by the chair

Headrest height adjustment knob

Headrest Height Adjustment Knob under your chair is typically used to adjust the height of the headrest. Depending on the design of your chair, it may be used to adjust the angle or position of the headrest as well.

To use the knob, simply turn it clockwise to raise the headrest or counterclockwise to lower it. Some chairs may have a lever or button instead of a knob, which you can press to release the headrest and adjust it to your desired height.

Adjusting the headrest can help you find a comfortable and ergonomic position for your neck and head while using the chair. This can be especially helpful if you are working at a desk for long periods of time or if you suffer from neck or back pain.

Seat firmness adjustment knob:

This knob under your chair is typically used to adjust the firmness of the seat. This is especially useful for people who need to sit for long periods of time. It allows you to find a level of comfort that works best for you.

To use it, simply turn the knob clockwise to make the seat firmer, or counterclockwise to make it softer. This can be especially useful for you if you are prone to back pain, as a firmer seat can help to support the spine and reduce strain on the lower back. Additionally, the seat firmness adjustment knob can be used to customize the chair to your own personal preferences, allowing you to find the perfect balance between comfort and support


The knob under your chair is typically used to adjust the height of the chair. It can be turned clockwise or counterclockwise to raise or lower the chair to a comfortable height for the user. This is useful for people of different heights or for adapting the chair to different tasks or activities. In addition, some chairs may have other functions controlled by the knob, such as adjusting the angle or tension of the backrest or reclining the chair. In conclusion, the knob under your chair is a useful tool for customizing the chair to your individual needs and preferences.

Leave a Comment

Your email address will not be published. Required fields are marked *