Like Circularlogic, I use both legs, but my main pusher is my right, though I'm a left current hooper. My philosophy is the right way is the way that works! Also, if I feel the hoop dropping on one side, I'll give it an extra bump with that leg.
Thanks for the advice! I'm starting to learn, with hooping at least, that there are no right or wrong ways, lol. Just whatever works and isnt too painful! I think I've got it down pretty well. I started hitting it a little harder with my pusher leg and it seems to stay up pretty well! So, I'm excited!
I hoop to the left and use my right leg, I was having a hard time trying to figure it out when I first started knee hooping but if you just experiment with different ways to push the hoop with both legs you'll see what's best for you (:
Either leg can push or pull in either direction. What is important is to not count on ONE leg to do all the work. Leg hooping is a combination of both legs, be they side to side or forward and back or a push followed by a pull. It is always an equal and an opposite contact point. I made a tutorial that might help you. In it I go over all these permutations of leg hooping. Simply knowing that more than one exists can be very helpful in figuring out how to proceed. Check this out: http://www.youtube.com/watch?v=OuH-xnLMpRU
Like everyone else has said, either leg is fine - it's what you're more comfortable with. I hope to the left, I use my right leg as the pusher. However, that being said, if I'm going to attempt the famous 'one legged hooping' trick, I'll switch to pushing with my left leg momentarily, and then kick that leg out to balance on my right leg. Try either way, you'll find what works for you. :)