Holy Mother of God, that's some funny shit!! I'm pretty sure that never in the history of woman kind has a bood moved like that, but, hey, computers have no concept of boobage.
To those searching for a wonderful sports/riding bra; there is a deal called the Frog Bra--no bounce, seriously. My DD buddy has one and still no bounce.
Same friend, I used to hit the biggest potholes I could find to see if she'd black an eye. No eyes, but the damned things hit her chin, which was hilarious (to me, of course).