Fajin Exercises of The Pre-Heaven Power Method (Video) 4 discussions Wei-Chung Lin demonstrated various fajin testing exercises of Shian Tien Jin Fa (or The Pre-Heaven Power Method) developed by Grandmaster Yue Pan. The training exercises are designed to measure the e.. Tags: fajin fajing 發勁 发劲 taichi taiji taijiquan 太極拳 太极拳 push-hands 推手 hsingyi xingyiquan 形意拳 bagua 八卦掌 martial YiZungYue 易宗岳