Wired 12.06: The Ultimate Pitching Machine

It's the fastest human movement ever measured in a laboratory: the violent forward rotation of a baseball pitcher's shoulder as he whips the ball toward home plate. To the batter, or anyone watching on TV, the motion is merely a blur. But not to biomechanical engineer Glenn Fleisig. "The arm flips forward at the shoulder joint with an angular velocity of 7,200 degrees per second," says Fleisig. "If a pitcher's arm kept up that velocity for a full second, it would make 20 full revolutions. It's just phenomenal."

I'm just a blogging bitch tonight, this is what happens when I lose my computer on a Saturday evening and don't get it up and running again till Thursday at 7 AM. In terms of the article...imagine him throwing a lead ball at your face.