Vampires are aggressive, violent entities whose bloodlust drives them to kill
Occasionally, it became necessary to capture vampires for research and study. Capture operations were always done in the daylight and typically began by flushing the vampires from their base with tear gas. Once in the daylight, the disoriented vampires were surrounded and restrained with long-handled snares similar to those used by dogcatchers. Armed Federal Vampire and Zombie Agency staff stood by in case of escape.
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.