Suggested resources:

Yoga for Wellness by Gary Kraftsow                                                                           Yoga for Transformation by Gary Kraftow                                                                     The Heart of Yoga by TKV Desikachar                                                                     Health, Healing & Beyond by T.K.V. Desikachar

The Yoga Sutras of Patanjali by Sri Swami Satchidananda                                               The Essence of Yoga, Reflections on the Yoga Sutras of Patanjali by Bernard Bouanchaud                                                                                                                  The Yoga Sutras of Patanjali by Baba Hari Dass                                                          The Secret Power of Yoga by Nichala Joy Devi

 Some interesting articles to peruse:

Aetna Building a Case for a “Mind-Body” Approach to Stress Management http://www.businesswire.com/news/home/20110113005943/en/Aetna-Building-Case-%E2%80%9CMind-Body%E2%80%9D-Approach-Stress-Management

Where is Yoga Headed These Days? The Experts Discuss its Evolution, and Future http://www.forbes.com/sites/alicegwalton/2011/09/07/where-is-yoga-headed-these-days-the-experts-discuss-its-evolution-and-future/

RADICAL HEALING: Yoga with Gary Kraftsow  http://www.himalayaninstitute.org/yoga-international-magazine/inspiration-articles/radical-healing-yoga-with-gary-kraftsow/

Yoga Is More Effective Than Conventional Exercise For Back Pain, Group Health Study Finds                   www.sciencedaily.com/releases/2006/01/060102123733.htm

National Institute of Health study on low back pain:

http://annals.org/article.aspx?rticleid=718899