More specifically, I missed something I used to sit on (no, not my ergonomic office chair): the Gaiam Wobble Disc I relied ... The Gaiam Balance Disc is an inflatable plastic device designed ...

That’s why I’m excited about stability disks, also known as wobble cushions or domed balance balls. My husband Ralph ordered a pair of the inflatable nubby-surfaced disks for his stand-up ...

Using an inflatable balance cushion, also known as a wobble cushion, promotes "active (or "dynamic") sitting," as it engages core muscles including your back. And a flexible, dynamic stool that ...