ExTension and Recovery Yoga
Sam Dworkis explores yoga postures from neuromuscular and physiological perspectives. Includes excerpts from his two books.
http://www.extensionyoga.com/

Yoga and the Alexander Technique
Article proposes that the Alexander approach to posture, balance and coordination can help with the practice of yoga.
http://www.alexandertechnique.com/articles/yoga

My Daily Yoga
Simple exercises that can be done in home or office to help prevent RSI and Carpal Tunnel Syndrome.
http://www.mydailyyoga.com/

Yoga Postures
A step-by-step guide of many of yoga's most popular postures, from easy poses to the more challenging.
http://www.santosha.com/asanas/asana.html

Hatha Yoga
Seven series of postures for various needs and groups, including slimming, yoga for the office, yoga for men, children, mothers and mothers-to-be and over-40 yoga.
http://www.geocities.com/junebug55ca/HathaY.htm

In Praise of Down Dog
This feature is completely devoted to the popular yoga asana Adho Mukha Svanasana, or Downward Facing Dog. Benefits of the pose and posture tips are included.
http://allspiritfitness.com/library/features/aa081001a.shtml

Asanas
A detailed guide to a few basic postures, and a number of more challenging asanas such as Pincha Mayurasana and Hanumanasana.
http://www.jivamuktiyoga.com/asana/guide.html

Pediatric Oncall- MUDRA (Body Postures)
An illustrated guide to some basic mudras, or hand postures.
http://www.pediatriconcall.com/forpatients/AlternativeMedicines/Mudrapat.asp

Yoga Postures for HIV/AIDS
Two sequences of postures for HIV/AIDS.
http://www.yogagroup.org/postures.html

So You Want to Do a Wheel!
Breaks down the challenging pose, Urdhva Dhanurasana, or Wheel, into steps that make it less intimidating. Suggests easier poses to practice first.
http://www.allspiritfitness.com/library/features/aa032301a.shtml

Hatha Yoga Lesson
Contains animated yoga postures, including a section devoted to stress relief. Also has general Hatha Yoga articles and breathing exercises.
http://www.hathayogalesson.com/

Yoga Basics: Yoga Asanas
Dozens of postures, illustrated with photographs and separated into several categories, from seated to supine to balancing.
http://www.yogabasics.com/asana/index.html

Beginning Yoga Poses
A series of basic yoga asanas for the beginning student, from a Palo Alto-based certified Iyengar yoga teacher.
http://www.ebmyoga.com/beginyoga.html

Online Asana Index
An online encyclopedia containing dozens of yoga poses, with descriptions and illustrations drawn from many different sources.
http://www.yogadancer.com/Asanas.shtml

Partner Yoga
Features Ashtanga Yoga asanas practiced individually and by two people working together.
http://www.partneryoga.ca/

Yoga Postures
Integrated into a system known as Hatha Yoga. View many different postures with hints and tips.
http://www.yogacards.com/yoga-postures.html