Well there is something to be said about being short with very strong legs....I can do it for quite along time. I seem to have found my center of gravity...I can even do it on my tip toes, if I need a little more hight.WoodPeckr said:That's called Asian Cowgirl and is even better than regular Cowgirl.
It's very demanding on the leg muscles and not many gals can go for very long in this position unless they are in very good condition.