The one-inch punch is a skill which uses fa jin (translated as explosive power) to generate tremendous amounts of impact force at extremely close distances.
[citation needed] According to witnesses who attended the event, such as Benny Urquidez (later a pioneer of American full-contact kickboxing), Lee's one-inch punch sent a 245 lb (111 kg) man flying back.
The one-inch punch was delivered by Anthony Kelly, a martial arts expert and master instructor who had learned the technique from one of Bruce Lee's students.
In the absence of a safe method of testing against a human being, the hosts deemed it "plausible" as a combat technique, if the user had proper training and experience.
[5] In the television show Stan Lee's Superhumans, the Shaolin monk Shi Yan Ming demonstrated his one-inch punch on a crash test dummy.