In these training methods, one learns impact strikes and kicks, pushing, pulling techniques, leverages on limbs, airways, and pokes and tears of soft pressure points.
The problem is not about borrowing training drills from one system to another, but borrowing assumptions!
Human kind had already thought about many methods of executing the above techniques and drilling combat or competitions scenarios. The key to success is first of all the stretch of the horizons of the objective they try to reach.
That means, explore any possibilities to use under certain set of rules or assumptions!
When you fight for your life you never want to use rules of competitions. Instead you want to use rules of survival and rules of nature. The key in quick learning how to defend oneself is to command the prioritization process throughout the training and attain a sufficient mastery of the aspects of the invisible forces.