This short video shows you how to perform Sun Salute A.
Additional Reading
To find out why you do so many Sun Salutes at the beginning of a yoga practice read Why do you do Sun Salutes.
Have a look at How to avoid injuring your wrists to find out how to protect yourself in a Sun Salute. There is also a video on the same topic.
To learn more about Upward Facing Dog which is part of the Sun Salute check out How the Suspension Bridge Method protects your lower back in Upward Facing Dog