Kent Caldwell is a Floor and Vault specialist with University of Michigan in the NCAA.
In this routine he mounts with quad, dismounts with triple.
Click PLAY or watch the video on YouTube.
Compare Kent’s excellent performance with two attempts by Nastia Liukin. (She has done it better.)
nastia liukin quad twist – YouTube
Nastia Liukin 2005 US Classic FX – Quad twist ATTEMPT – YouTube
Gymnastics Coaching.com 