How to flip on the trampoline<br>Get supervised training first. Using a trampoline can be very dangerous, so it is best to train first in a safe environment. Training happens in lessons for competitive sports including gymnastics and diving.
Everyone can flip on a trampoline
People who are immobile certainly can't flip on a trampoline. The article even stresses safety when practicing.
( z1 possible :ARG1 ( z2 flip :ARG0 ( z3 everyone ) :ARG1 ( z4 trampoline ) ) )