Commander of the corridor, bigwig of the boardroom, the manager wields his power through meetings and memos. Leading a brave crusade to reach objectives, through an open door he empowers, incentivizes, implements change and captures mindshare. Yet, this hero has a dark side. In worship of mysterious core competencies he rightsizes, conducts blamestorming, and turns boardrooms into bored rooms.
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.