There have been numerous posts recently on how to do fajin, and we’ve received quite a few emails about how the fajin can be used in a more self-defense and combat context. So in answer to all the questions:
1) Yes you can use fajin to issue power, but doing it in a combat context is a different avenue of study to that of cultivation. When you’re learning it you can use it to cultivate both but there comes a point when you have to decide within your training session either to train power issuance, or train cultivation.
2) No it is not a method to crush bone and smash all and sundry in just 7 days. Crushing said bone is just a by product of being able to generate power. Proper fajin, in that I mean, fajin that isn’t going to injure you or your training partner is the result of careful training. Power as they say, is nothing without control and developing just the power bit is not going to help you to crush aforesaid bone. You also need to develop accuracy and control to deliver the goods where and when you want to
3) Yes, cultivation and self defence are two different avenues of study, both have many common elements to begin with but quickly branch off. You can specialise in one or the other or spread yourself over the two depending on your own training goals
4) There is a two man form in taiji, and parts of it are what you see in the video above. If there is a way to perform it for health we don’t know it, for us, cultivation is mainly done via forms and qigong, we save the paired exercises for trying to bat each other senseless.