Bowing a string instrument requires changing the direction of the bow.
Primary Bow-Change Rules
The main purpose of the Up-Bowis to travel the bow to theDown-Bow.
The main purpose of theDown-Bowis to travel the bow to the Up-Bow.
While performing the Clay Smile Exercise, you learned how the bow-wrist forms different shapes.
Changes in bow direction are fine examples of Rotational Inertia.
When changing the direction of the bow, keep your bow-wrist flexible, while retaining a solid bow-hand control of the bow. Your bow-wrist arcs the bow from one direction to the other, with the goal of always arriving at straight bows that remain parallel to the bridge.
During Bow-Changes, ARCS constantly direct bow motions into ANGLES.