Super coach Dave Ross built the Supertramp, 13×21 feet, a one of a kind.
On an earlier version (in the mid-1980s!) Jose Antonio of Spain performed triple layout with triple twist.
Even more impressive is Jason Burnett’s routine with 10 triple somersaults in series. Check out the video on the Rebound Trampoline website.
This shows that trampoline still has a long way to go in advancing difficulty.
Gymnastics Coaching.com 