- Dec 30, 1999
- 6,324
- 10
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My back can't take long hours in a regular chair. Was wondering if anyone has tried these weird looking yoga fitness balance ball chair things?
http://www.amazon.com/Gaiam-Balance-...dp/B0007VB4NE/
http://www.amazon.com/Gaiam-Balance-...dp/B0007VB4NE/