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What Does The Knob Under My Chair Do? [5 Awesome Office Chair Adjustments Explained]

Every mechanical chair comes with multiple features. Some of them come with technical adjustment options while some come with adjustable comfort. However, all of them have one thing in common- a knob under the chair. In case of expensive chairs, the number of knobs present may rapidly increase because of fantastic features. If you are working for long hours and without any interruptions having such knobs become very important.

Even for a commercial place, such chair knobs allow you to adjust your seat according to a comfortable height, depth or an angle. This guide below is all about What Does The Knob Under My Chair Do. Without any further delay, let’s get to know more about the features of this knob present underneath your seat.

What Is Tilt Tension On A Chair?

Tilt tension basically relates to your height and weight of the chair. If there is no dedicated chair for your personal use, tilt features could make it comfortable for everyone. With this feature, even taller and shorter people will be able to adjust their height and angle of sitting to make things look much more comfortable.

With a tilt tension feature, you can enjoy a decent sensation. It allows better body movement and relaxation of your body muscles. For long working hours, it helps you to relax your muscles and not convert them to pain.

What Does The Knob Under My Chair Do? [Different Types Of Knobs Under A Chair]

1. Tilt Tension Knob

Such knobs are basically made to help you with suspension of your chair. It directly implies the load and weight capacity of your chair. If the chair comes with a bigger load capacity, you can slightly adjust the tension of the chair and bring it to a lower level for comfort.

Alternatively, adjust the tension to make this chair like a rock. Usually, such knobs are present underneath your seat. It is big and round in shape and size.

2. Depth Adjustment Knob

Depth adjustment knob deals with the depth of your seat. It helps in providing a good posture to your body. When your feet are not touching the ground, you can usually adjust the depth and allow a good lumbar support.

Having a decent depth with your chair always helps you to maintain a proper blood circulation throughout. It can relieve you from multiple back aches. Keeping a proper depth will also ensure that you are keeping knees in a proper position and not too far away.

3. Angle Adjustment Knob (How To Adjust Office Chair Seat Angle?)

An angle adjustment knob is the one thing that you really need in any of the sitting chairs. If you are planning to sit for hours, this knob becomes very important. The main role of such angle adjustment knobs is to provide you a proper sitting angle where you can rely on your backrest and comfortably work.

To adjust the angle, you need to twist the knob under office chair. This will allow the front seat to drop down and backwards. You can now adjust according to your requirements. This answers your question on how to adjust office chair seat angle.

In case your office chair stuck leaning back then we have the problem-solving article for you.

4. Height Adjustment Knob (How To Raise Office Chair?)

While you are sitting on a chair properly, you need your feet to touch the ground. If there is no support at your feet, they might become numb because of low blood circulation. Adjusting your height is the best way to do it.

Height adjustment knob is the one sticking out of your chair and present just underneath your seat. You can push this knob to raise chair height. However, pressing it down will release hydraulic pressure and your seat will go down.

5. Back Height Adjustment Knob

Back height adjustment allows you to give a better back support. While you are leaning back, a proper back support up to your shoulders could prove to be handy. This knob is present just under the backrest.

Once you start pressing this knob, it increases tension and you can keep it upright. However, you can either raise it or drop the knob according to a comfortable backrest height. Keeping a proper support will always make you feel better.

Pro Tip

While adjusting the backrest, make sure that you are able to cover from your back to your shoulders. Keeping a support waist and leaving the upper body open may not be ideal. Choosing a proper height will make you feel comfortable with this.

How To Adjust Office Chair Tilt?

1. Start by sitting on the chair upright. Make sure that your feet are flat on the floor. Make your body straight by touching the backrest and you can have a marginal gap between knees and chair pan. It will allow you to have a seat properly.

2. You can now place your hands on the tilt adjustment knob. Gently push it backwards and you will be able to adjust the tilt. You can now place the seat forward while the backrest bends backward as well. Once you are done with this, you can release your fingers.

3. Now it is time to tilt adjustment downwards. Gently push your backseat down while holding the knob. Once you make a perfect angle for your needs, you can now release the button. Simply recline and then your body weight will get transferred.

Pro Tip

While reclining backward, do not transfer your full body weight backwards. Because of this excessive pressure, your seat suspension might break off. Try to be gentle while transferring the weight and do not do this in a hurry.

What To Do If Office chair rocks side to side?

Step 1:

The first thing that you need to do is to label each of the parts. Make sure that you do not mix them up and you can clearly identify the different parts.

Step 2:

The next thing that you need to do is dissemble your chair perfectly. Be careful while you follow these steps which will help you to get the right results.

Step 3:

The next thing that you need to consider is about missing pieces. If you find any small parts or missing pieces which are available you will get you better results.

Step 4:

Once you are done with this, you will now have to clean up the dirty pieces. This is the major reason why you are facing such results.

Step 5:

The right thing that you need to do is to look for the replacement. You will have the right to replace multiple broken parts and replace them accordingly.

Step 6:

The next thing that you need to do is to look for the high quality wood glue which will help you to the joints. Make sure that you follow the instructions properly.

Step 7:

The next thing that you need to do is to look for a product that comes with an amazing result. You will have to tighten everything together with a strap clamp. This is a magic product that works the best for your chair.

Synchro-tilt Vs Swivel tilt

The term Synchro-tilt is also known as synchronous tilt in common chairs. It is a very common concept when it comes to the set of ergonomics ones. This is a concept in which you will get recline support of 2:1 as you lean the back. This is a support ratio of your backrest as well as the seat pan.

When it comes to Swivel tilt, the first thing that you should consider is the ability to raise the seats which will provide you the great result. The ability of the seat height adjustment can be done easily in a swivel chair. You can lock the seats into the starting position with this.

Frequently Asked Questions [FAQs]

Q1. Is spinning in a chair bad for you?

A1. Spinning all around any chair and in any direction is never a good idea. This is mainly because it will make you go dizzy. There is a liquid on the semicircular canals and also a liquid that will create a shear. This will end up in causing dizziness on your body.

Q2. What is the twist knob under office chair?

A2. The twists knob which is also present right under the chair is also considered as the tension knob. It is adjusted to increase the tilt mechanism of the chair.


Having a height adjustment knob with a tilt mechanism should be a great choice. Even if you are working in an office or studying for hours, providing a backrest and a proper angle keeps your body healthy. It allows proper blood circulation to pass through your body in order to provide you with a comfort situation.

With help of such features, you will be able to automatically make adjustments to your chair and be comfortable throughout. This is why, knowing What Does The Knob Under My Chair Do is important. You can quickly make adjustments and make your day soothing.

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