When police arrived at the homicide scene, they found Heathcote's naked body on the bed with multiple stab wounds to the torso. Heathcote still had a blindfold over his eyes, a dog collar around his neck, and his ankles were still tied with stockings to the mattress handles.
According to the article, the murderess worked as a body piercer.
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.