I got rid of a chair four years ago, in favour of a large inflatable ball. I got mine from Decathlon (a French sports outlet) for about 10€, I took the XXL size (the largest, maybe it was XL).
I subjectively feel that I have less back pains, I move on the ball all the time (twists, jumps) and when I remember I lay fown with my upper back on the ball and feet on the ground.
One person asked me once to please stop bouncing during a video confrence because he was feeling sea sick. This is to say that one really moves all the time with such a ball.
I got rid of a chair four years ago, in favour of a large inflatable ball. I got mine from Decathlon (a French sports outlet) for about 10€, I took the XXL size (the largest, maybe it was XL).
I subjectively feel that I have less back pains, I move on the ball all the time (twists, jumps) and when I remember I lay fown with my upper back on the ball and feet on the ground.
One person asked me once to please stop bouncing during a video confrence because he was feeling sea sick. This is to say that one really moves all the time with such a ball.