I sit on a swiss (or exercise) ball most of the day. I'm not sure how the ball intersects with hemorrhoids but it's great for staying active while sitting down

I sit on a swiss (or exercise) ball most of the day. I'm not sure how the ball intersects with hemorrhoids but it's great for staying active while sitting down and also for posture. When not on the swiss ball I use one of these: http://www.thehumansolution.com/ergohumanmeshhi.html http://www.thehumansolution.com/ergohumanmeshhi.html. It's less expensive than an Aeron and it has a head rest. I've had it for a couple of years now. It's been a great chair. I'm not sure why the head rest thing was so important to me but it's very comfortable for coding.