To help you choose the perfect ergonomic sitting ball I have answered the 3 most common questions I hear. What size of sitting ball do I need? Which hight should my work table be for a sit up ball? Why do I need an ergonomic ball? 

What size sitting ball do I need?

Surely this is the most frequently asked question when it comes to sitting balls. How do you measure the right height for a sitting ball? The question seems to have a bulky answer in store, but it's very simple.

If you want to use the ergonomic sit ball as an office chair or desk chair, a 65 cm sit ball is fine for the average adult. So if you are between 155 cm and 190 cm, you have a good sitting position at your desk or table.

The sitting height is correct when your hips are slightly above the knees, so that the upper legs are slightly tilted downwards. This allows you to sit up straight with the sit ball.

How high should my table be for a sittting ball?

Of course, you can also ask the question the other way around. How high should your table be for an ergonomic 65 cm sit ball? The height of a standard (fixed) desk or kitchen table varies between 68 and 80 cm.

We recommend (regardless of your height) using the 65 cm byAlex balance ball. The ball collapses a little when you sit on it and then comes to a sitting height of about 50 to 55 cm. You have a more active sitting position than on a standard (desk) chair.

Need more info on how to pump a sitting ball? 

Why you need an ergonomic ball?

Of course, this should have been the first question. Why sit on a ball when you also have a desk chair. A sit ball makes you adopt an active sitting posture. You will find that you have to balance yourself almost constantly to stay seated properly. In this way, the muscles are used in such a way that back problems are reduced. While balancing on the sitting ball you train the abdominal and back muscles. This decreases fatigue and this reduces the risk of back pain. Of course, alternating between sitting and standing work and taking an occasional walk in the break is the advice everyone will give you. So will I.

If you have any questions about the byAlex ergonomic sitting balls, feel free to contact me. I'll be happy to help.

Check out the best byAlex sitting balls, both in 65 cm sitting balls and in 45 cm sitting balls. 

 Want to read more about the sittin balls, Swanmarket Online wrote a great blog about it.