Blog:

Picture at this link:

http://www.yogaxtc.com/images/photos/salamba_sarvangasana_2.jpg

Translation:

2) “n Sanskrit, salamba means with support. Sarva means all and anga means limb. Next to Sirsasana (the headstand), this posture is considered one of the most beneficial of the asanas. Shoulder stand is known as the "Queen of Asanas" and is typically done after the headstand, the "King of Asanas."

An inversion reverses the effects of gravity and brings oxygen-rich blood to the vital organs including the brain. Experienced practitioners experience often report that their daily practice of inversions is like a drinking draught of wonderfully delicious nectar.”

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http://www.yoga.com/ydc/enlighten/enlighten_document.asp?ID=396&section=9&cat=125

3) All Limb Support.

4) after setting up a proper yoga map setup, you put your hands in a locked position underneath your body, get up on your shoulders, and slowly extend your legs out and up. Some modifications include using a wall or chair to help support you in the upward position. The only actions are really just holding the position in alignment.

5) Energy Balance is one of the main effects.

“The posture revitalizes nerves, purifies blood, and increases circulation.
The neck muscles get stretched.
Tones the legs and buttock muscles.
May help relieve constipation, indigestion and possibly asthma and reduced virility in men.” http://www.yoga.com/ydc/enlighten/enlighten_document.asp?ID=396&section=9&cat=125

6) They say that the posture is mostly for women, but you feel more focused when you do it because there is lots of focus you need to do this pose.

http://www.yoga.com/ydc/enlighten/enlighten_document.asp?ID=396&section=9&cat=125

http://yoga.about.com/od/yogaposes/a/shoulderstand.htm