Looks like he knows about it to me!!
backhander – define extreme I suppose. If you ask insurance companies any sort of MTB other than on prepared family trails is extreme.
For interests sake:
In 2004, author Joe Tomlinson classified extreme sports into those that take place in air, land, and water,[9]
Nine air sports are mentioned including: BASE jumping, bungee jumping, gliding, hang gliding, high wire, ski jumping, sky diving, sky surfing, and sky flying.
Eighteen land sports including: indoor climbing, adventure racing, aggressive inline skating, BMX, caving, extreme motocross, extreme skiing, freestyle skiing, land and ice yachting, mountain biking, mountain boarding, outdoor climbing, sandboarding, skateboarding, snowboarding, snowmobiling, speed biking, speed skiing, scootering and street luge.
Fifteen water sports including: barefoot water skiing, cliff diving, free-diving, jet skiing, open water swimming, powerboat racing, round the world yacht racing, scuba diving, snorkeling, speed sailing, surfing, wakeboarding, whitewater kayaking, windsurfing.Extreme Sports: In Search of the Ultimate Thrill. Hove: Firefly Books Ltd. ISBN 1-55297-992-X.