A number of visitors on my blog are interested in managing their sciatica. Here is an interesting article I found. It discusses many yoga posese to help manage Sciatica. Sciatica can be caused by a variety of problems. Please see a medical doctor if it persists to rule out a herniated disc problem. Iyengar yoga is a great way to to manage Sciatic nerve pain. Please follow this link to Yoga poses for Sciatica.
Namaste
Yogi