Balance Ball Chair page

[Scott F]

In the past I've used stability balls in place of a desk chair to work my core but this might be more practical
We Tried It: Gaiam's Balance Ball Chair

[Velocity J]

I've wondered about those. I'm sure it works fine as a chair, but it seems like having the ball resting on a base would cancel out a lot of the benefit of using the ball in place of a chair.