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Standing desk. Before the standing desk I use to gut through the pain but it made it so much better.
Something like this when you need a break: Bed Tray
Avoid sitting for the first few weeks at least for longer than 20 minute intervals. I got this so I could do something other than watch TV or be on my phone: Bed Tray
I also had one of these: Toilet Riser which makes it easier to safely get up from going to the bathroom by providing handles. It also prevents you from having to go as low to the ground.
If no one went over it with him: https://www.youtube.com/watch?v=MYQo970ilDY log roll to get out of bed