Are ball chairs actually good for your back?

Research is mixed. Ball chairs increase core muscle activation slightly, but they can also increase spinal compression and fatigue if used all day. They work best as a supplement, not a replacement. Alternate with a proper ergonomic chair for optimal back health.

What size ball chair do I need?

When sitting on the ball, your thighs should be parallel to the floor with feet flat on the ground. For most people 5'1\

Best Ball Chair Alternatives 2026