Conversation so far:
What did Bruce Lee perform in the Long Beach International Karate Championship?
Bruce Lee appeared in the 1964 Long Beach International Karate Championships and performed repetitions of two-finger push-ups with feet at approximately shoulder-width apart.
What else did Bruce Lee perform at the 1964 Long Beach International Karate Championships besides repetitions of two-finger push-ups with feet at approximately shoulder-width apart?
In the 1964 Long Beach International Karate Champdionships, Bruce Lee also performed the One inch punch.“
What happened with Bruce Lee's arm while demonstrating the One inch punch?
Bruce Lee's right arm was partly extended and his right fist approximately one inch (2.5 cm) away from the partner's chest. He delivered the punch without retracting his right arm.

Question: Did he have a volunteer while demonstrating this?
Self-contained rewrite: Did Bruce Lee have a volunteer while demonstrating the One inch punch?