The Art of the Bow-Change
Bowing a string instrument requires changing the direction of the bow.  
Primary Bow-Change Rules

The main purpose of the Up-Bow is to travel the bow to the Down-Bow.

The main purpose of the Down-Bow is 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.
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During Bow-Changes, ARCS constantly direct bow motions into ANGLES
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Bow motions continuously recycle energy.
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Introducing the Bow     Parts of the Bow     The Stick     Horse-Hair     The Tip     The Frog     The Winding     How the Bow Works 
 Rosin     Preparing to Hold the Bow     Stick Training Exercises     Bowing Terminology     Down-Bow     Up-Bow     

Bow-Hand Set-Up    Finger Tasks and Functions     The Thumb     Meet ARC     Finger Segments     The Index-Finger   
Bow-Hand Pronation      The Center-Finger and Ring-Finger     Bow-Hand Fulcrum     Ring-Finger Propulsion     Bass Bows 
 Pinky Bow-Tasks     ‘Casting’ the Bow-Hand    Bow-Wrist Tasks    Rotational Inertia    Arco    Clay Smile Exercise    Meet ANGLE 

The Bow-Arm Box     The Shoulder Arc     Bow Contact-Point     String Lanes     Bow-Segment Mastery     Bowing Exercises 

Finding the Bow Contact-Point     “Painting With Sound”     Bowing Exercises Menu     Bow Taps     Bowing Traditions 

Perform Down-Bows     Perform Up-Bows     The Art of the Bow-Change     Articulations     Staccato     Legato 

Mastery Checkpoint One     Building Bow Control     Bow Speed and Bow-Arm Motion     Bow Planning and Distribution

Slow Moving Bow Strokes     Individual Bow Segments     Traveling the Bow     Bowing Dynamics     Mastery Checkpoint Two 

Advanced Techniques     Slurs and Articulations     Slur Training     Locating the Bow’s Balance Point     Ricochet and Spiccato 

Exploring Ricochet     Ricochet Control     Spiccato Training     Spiccato Control     Spiccato Brush Strokes 

Multiple String Crossings     Virtuosic Bow Strokes     Arpeggio Bowing     “Flying” Staccato     Mastery Checkpoint Three 

SCROLL’s List of Bow Strokes