Training for the Jou Tsung-Hua's "Dan tien challenge" using a coin. "A Taste of China All-Taijiquan Championships" back in the 90's has a event to see who could use Heng-Ha method and make a coin toss up in the air. It was measured who had the ability to launch it in the air the highest. Based on the breathing technique that comes down from 2nd generation Yang family member Yang Banhou;.
28 июл 2023