Bruce Lee and Electronic Muscle Stimulators:

Dragon: The Bruce Lee Story, released in 1993,(twenty years after the depiction of the scene below using an earlier model  unit) is a biographical film telling the story of martial arts founder and actor Bruce Lee, starring Jason Lee (no relation) as Bruce Lee, Lauren Holly (as Linda Emery) and Robert Wagner.

The film is based upon the novel Bruce Lee: The Man only I Knew, written by Linda Lee Cadwell, the late Bruce Lee's wife and widow endorsed the accounts and major events that shaped his life.