http://mabufs.i2p/goon-fu/xing-yi-quan
"The eight requirements" include the concepts of: 1) apex (head should be up, palm in front, tip of tongue up); 2) closure (shoulders, back of hands and feet, teeth must be closed); 3) roundness (the chest is wheeled, the back is rounded, the palm between the thumb and forefinger is round) 4) agility (the heart is sensitive, the eye is shrewd, the hand is nimble); 5) embracing (the middle of dan-chan, heart-mind and ribs - embrace, embrace); 6) lowering (shoulders, elbows and qi energy...