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Planning the first screw

The first screw is inserted on the side of the plate where the fracture forms an obtuse angle with the plate. This forms a space between the plate and fracture line into which the acute-angle fragment fits. This will prevent excessive shortening during compression.

When compression is applied by tightening the second (eccentric) screw on the opposite side of the fracture, the plate traps the illustrated distal fragment, and converts axial compression to fracture plane compression.