Frame Biomechanics, contd.
Factors That Increase Frame Stability
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• Increasing the distance between the Schanz screws in each fragment (A)
• Reducing the distance between the tube or rod and bone (B)
• Adding a second rod or tube in the same plane, with the clamps in close contact (i.e., double-stacking) (C)
• Adding one or two additional planes to the construct (See next page for examples.)

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