Enjoy this early video of Harald Harb describing lower / upper body coordination.
Note: this discussion took place in about 2004. This is the pattern of lower /upper body coordination that formed the Essentials book and videos.
Flexing to Release
This exercise is a staple at Harb Ski Systems camps. The exercise isolates the effects of flexing to release the edges of the old turn. Because the exercise is done without the momentum that is a part of actual turns, the...