Maybe I don't want to go back to work so soon after all
In part because of domineering bosses, many workers have come to feel like they need to stay at their desks, instead of stepping away for a few minutes to refocus. Kahn says this leads workers to “keep trying to override those messages that you need to take a break. As the day progresses, it takes more energy to override those messages, and productivity goes down.??
So, the next time the big cheese calls you in for that meeting you’ve been dreading, or when worrying about tomorrow’s deadline is keeping you from finishing today’s project, slip in five extra minutes to step back, take a deep breath, and relax. Your heart -- and very likely your employer -- will end up thanking you.
I have found it helpful to do the stretching exercises my physical therapist recommends. Do some core strengthening exercises, such as the ones highlighted at The Mayo Clinic. By keeping your core strong, your back won't put itself in a position to cause that sciatica pain you are having.