It's Only Muscle
- Release Year
 - 1950
 - Runtime
 - 9m
 - Genres
 - Comedy
 
- Directed By
 - Burton Benjamin
 
This RKO Pathe Screenliner film presents a parody of bodybuilder Charles Atlas. Atlas was an Italian American man best remembered as the developer of a specific bodybuilding method and associated exercise programs. Featuring comedy actor Arnold Stang, the film portrays a young man who joins a gym to gain muscles, defeat a bully, and get women.
