There are documentary with one done by Discovery channel not long ago where they use wired and sensor to measure the muscle as it is use to fight and they did this on a number of martial art types from boxing to wushu to karate to brazillian..etc from that they could tell who can generate the best power and how. Even for the so called chi... how real or fake it is there is a lot that can be explain to a great extend and all about human conditioning and in some case your human tissue is just not capable of doing it or doing it for long.
Another great power one...
A good photo's 45% you, 45% practice & 10% equipment. A bad photo share the same ratio.
In Singapore we have our own Wong Fei Hong: