Few skills in artistic gymnastics are as recognizable as the Tsukahara vault. More than fifty years after its debut, it remains a cornerstone of international gymnastics. Yet remarkably little is known about how it was created. (See Tsukahara’s skeletal Wikipedia page.)
Most histories reduce its origins to a single sentence: Tsukahara Mitsuo unveiled a new vault at the 1970 World Championships in Ljubljana, and it soon entered the Code of Points bearing his name. This excerpt from Tsukahara’s autobiography, Endless Challenge, offers the fullest account we have from the inventor himself. He describes an accidental beginning, experimenting with the vault after watching a university teammate perform it on the women’s side horse vault in training. At first, he regarded the skill as little more than a curiosity—awkward and lacking the “grandeur” expected of a competition vault. He then recounts months of persistence as nearly everyone around him dismissed the idea as impractical. Only after discovering that the skill worked better piked than tucked did he begin to believe it had competitive potential.
This account provides an invaluable window into how Tsukahara himself understood the creation of the vault that would bear his name. It does not, however, tell the whole story. American gymnast Hal Shaw performed the same vault at the 1968 NCAA Championships, where it was known in the United States as the “O-Shaw.” The two histories have rarely been considered together, and the relationship between Shaw’s vault and Tsukahara’s remains unclear. Whether the two men arrived at the idea independently, or whether knowledge of Shaw’s vault somehow reached Japan before Tsukahara began experimenting with it, remains impossible to determine.
For that reason, this chapter should be read not as the definitive history of the Tsukahara vault but as one essential piece of a larger puzzle. It is the closest thing we possess to an inventor’s notebook: a story of experimentation, stubbornness, failure, and gradual refinement, told by the gymnast whose name ultimately became attached to one of the sport’s most influential skills.









