He is on the Fight Science show on Nat Geo.
His kick was so powerful they made him do it again b/c they didn't believe the numbers. He does it again and surpasses it.
His kick was powerful enough to shatter ribs, and bruise the heart. His kick has more force than a car crash.
Check it out, interesting stuff. Couture, Rutten, Lister, and Ortiz are on it.