I wince and feel for her over the reports of how she is being tutored, guided and taught in marathon cram sessions of what might be called a crash course in Instant Experience 101. There’s something almost funny in the idea that she is being speedily stuffed, Strasbourg-goose-style, with knowledge she should have had before she was selected.
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.