Fu POw you are rude. You are also wrong. Power from the ground dosen't magically jump from the ground to the waist. It travels through the legs AND hips before it gets to the waist. I thought you were posing genuine questions because you wanted to learn something, but dropping insults when someone disagrees with you shows that your mind is not open (just like your hip joints). Good luck with your trolling.
" You must use your Dan Tien, spine, ligaments, tendons, joints, muscles, and chi for power. Your whole body together, not seperate parts. If you don't, you are not practicing Ba Gua Chang, you are practicing Ba Gua Bullsh*t." - Master George Xu