Herbert Hoover Presidential Library and Museum - Hoover-ball is a combination of tennis, volleyball, and medicine ball. White House physician Adm. Joel T. Boone invented the game to help keep President Hoover
The White House Historical Association - Move over baseball -- the most popular sport at the White House during the late 1920s and early 1930s was Hoover-Ball. Named for President Herbert Hoover,
![How To Play Hoover Ball? (this game was invented to keep President Herbert Hoover physically fit) - YouTube How To Play Hoover Ball? (this game was invented to keep President Herbert Hoover physically fit) - YouTube](https://i.ytimg.com/vi/EKhP59_rSvA/maxresdefault.jpg)
How To Play Hoover Ball? (this game was invented to keep President Herbert Hoover physically fit) - YouTube
![Amazon.com: Hoover Medicine Ball 1929 Npresident Herbert HooverS Pet Schnauzer Piney Perched Atop One Of The PresidentS Medicine Balls In Front Of The White House In Washington DC Photograph 23 September 1929 Amazon.com: Hoover Medicine Ball 1929 Npresident Herbert HooverS Pet Schnauzer Piney Perched Atop One Of The PresidentS Medicine Balls In Front Of The White House In Washington DC Photograph 23 September 1929](https://m.media-amazon.com/images/I/61prHzvpDrL._AC_UF894,1000_QL80_.jpg)