Motorsports are not unique in this regard. John Delamere pioneered the forward somersault long jump technique [0], which was then banned for fear that athletes

Motorsports are not unique in this regard. John Delamere pioneered the forward somersault long jump technique [0], which was then banned for fear that athletes might break their necks. [0] https://vault.si.com/vault/1974/07/29/the-flip-that-led-to-a-flap https://vault.si.com/vault/1974/07/29/the-flip-that-led-to-a...