improve your posture, strength and alignment
Cristina's Recommended Links
The New York Times article on "What is So Special About Iyengar Yoga?"
Wikipedia - Iyengar Yoga
BKS Iyengar official website
Iyengar Yoga National Association of the United States
The National Center for Biotechnology Information (NCBI) study on the Effectiveness of Iyengar Yoga in treating spinal (back and neck) pain