Rak Maram, a 36-year-old Thai mahout, or elephant trainer, demonstrates her close relationship with a two-year-old female elephant named Benjama by placing her head in the animal's mouth and kissing its tongue, at an elephant training camp 80 km (50 miles) north of Bangkok, November 25, 2002. Rak has worked with Benjama since the elephant was born. (Reuters)
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.