Originally Posted by Piobair
Another suggestion from my doctor regarding arthritic knees; change position frequently. When sitting all day, I alternate between a zafu and a meditation bench, with kinhin in between (or sometimes a little stretching/yoga/qigong). While this helps enormously, I still usually end up in a chair by the end of the day; simply too many herniated and degenerated discs.
My teacher suggested alternating which leg is in front (I sit Burmese), but alas the right knee only bends one way.