Relationship Between Bones / Radiographic Charting

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Relationship Between Bones / Radiographic Charting

Measurements/charting are used to assess foot types and deformity; determine outcomes of surgical and non-surgical treatments; learn about the relationships between osseous segments.

Before charting, the position that the foot is in needs to be reproducible (weightbearing with foot in angle and base of gait) with x-ray central beam directed at appropriate target (see positioning).

Generally, intra-observer variation/reliability is better than inter-observer variation/reliability . Errors can be common if use incorrect reference planes. Also charting looks at the two dimensional relationship between three-dimensional structures.

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