![]() Functional Acetabular Index (FAI) again a new measure was used to calculate the change of angle of the new cup position in total hip replacements due to pelvic tilt and leg length discrepancy (LLD) on weight bearing. On the radiographs a new ‘Tuning Fork Lines’ (TFL) were drawn to assess the talar shift in ankle fractures. Auto-CAD was used for radiographic evaluation, identifying the percentage of magnification of the radiographs, and to measure angles and dimensions of the bones. ![]() ![]() The picture was scaled to the actual dimensions of the patient and analysed. A digital picture of radiograph or bone was taken through the camera and was imported in CAD drawing. Since 1998 the CAD knowledge was used in orthopaedics by using solid model designing. Orthopaedic surgeons are usually not trained to use this software but the author an orthopaedic surgeon was trained and certified by City and Guilds to use this software. Auto-CAD is a Three-Dimensional (3-D) software used for drafting and designing and it requires training and practice. A novel study is done to show use of Auto CAD in orthopaedics at various stages.
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