I guess bend at waist doesn't involve bend at waist then.
GURU does not understand how hips get initiated from front. Yeager's critique is good.
GURU critique of Yeager/Pujols analysis (replace asterisks with s e t p r o ) :
www.******.com/forums/showthread.php?t=8100
Yeager analysis of GURU analysis:
s6.invisionfree.com/Hitting/index.php?showtopic=256
Yeager analysis part2
s6.invisionfree.com/Hitting/index.php?showtopic=258
Shawn runs an excellent site.He was really the first to figure out that the guru had no clothes.