Lotus is one of the oldest yoga positions known today! Patanjali, the founder of yoga, suggested that the the most important physical position was a comfortable seat. That's right - at the beginning when yoga was created it was all about "mind stuff" and had very little to do with physical movement. One way of sitting is Lotus Position, which the video below demonstrates. Note that the key word in "comfortable seat", namely: comfortable. Please make sure you don't feel pain while practicing this. And if you feel any pain please consult a doctor before proceeding.