box exercises

At this point I begin to introduce several exercises that isolate the various parts of the arm that will be involved in producing wave motions (eg. No. 34 - Variations #19, #25, #39 and #40).  The three parts of the arm that can make these wave motions are the fingers, wrist and upper arm, depending on the part of the bow, the dynamics, and the speed of the waves.   https://www.youtube.com/watch?v=H6_G8KcKdaY&w=560&h=315   First we will do the wrist exercises that I refer to as the "Box Exercises".  These isolate the movements that we need for using the wrist in string crossings, bow changes, and various strokes. I like to demonstrate the exercises in one lesson, and then have the students show me the exercises in the following lesson to make [...]