Kundalini or coiled one literally translated has an emphasis on breath. The idea is to awaken the dormant creative sexual energy and transmute it into spiritual endeavor. The breathe patterns are often more rapid and movement often are based on the teachings by Yogi Bhajan in the USA however there are many teachers of this form all over the world. Fast percussive breathes rapidly pumping the diaphragm with the famous "Breath of Fire" followed by a lock holding the breath and engaging a muscular contraction of the Pelvic floor, stomach, throat or all at the same time.