"The late Sifu Wong Shun-leung, of “Hong Kong” wing chun fame, in his seminars around the world over the years, liked to make a comparison with the modern combat sport of Western boxing, which he observed had changed quite dramatically over just the last sixty or so years, from the crouching-like postures of boxers like Joe Louis in the 30s and 40s, to the flashy footwork of the likes of Muhammad Ali in the 60s and 70s, through to the more upright and flat-footed approach of recent champions such as Mike Tyson."