Poses to Avoid: Sciatica & Piriformis Syndrome

* Differing opinions exist. While Judith Lasater in Yoga as Medicine recommends avoiding Janu Sirsasana, Sarah Powers notes in Coping with Sciatica that Janu Sirsasana is a pose to consider. And while a number of sources advise avoiding Parsvottanasana, a DoYouYoga article recommends it.