http://www.slamonline.com/online/nba/2011/07/photos-nba-players-planking/#1 Here's 2 of the 13 (howard, arenas):
On the right side is a link to an Oregon State basketball player that needed 20 stitches after breaking the glass on a dunk attempt. <iframe width="560" height="349" src="http://www.youtube.com/embed/4ubIe34ZgD0" frameborder="0" allowfullscreen></iframe> Skip to 2:08. WOW
I thought planking was when you balanced yourself on an object, like a pole, while laying flat, not laying flat on a flat surface
Its laying flat anywhere. Trust me, my friends started this thing when it was still popular overseas. I shake my head everytime.