While the yips affect fine motor skills in sports like golf, the twisties cause a mid-air loss of spatial awareness that makes landing gymnastics flips dangerous.

G.O.A.T. is an acronym for Greatest of All Time, a title Biles playfully embraced with the rhinestone animal to proudly own her historic dominance in the sport.

The International Gymnastics Federation requires a gymnast to successfully land a novel skill without a major fault at an official international competition.

Biles excels in tumbling and power-focused events like the floor and vault, whereas the uneven bars rely heavily on upper body momentum and swinging mechanics.