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 Indian J Med Microbiol  
 

Figure 1 (A and B): Technique of measurement of femoral version. Line is drawn along the femoral neck (a) and another tangential to the posterior aspect of the medial and lateral femoral condyle of femur (b). The horizontal line is c. Femoral version is calculated by adding or subtracting the angles between a and c and that between b and c. If the angles open toward the same side, they are subtracted and if opposite, they are added

Figure 1 (A and B): Technique of measurement of femoral version. Line is drawn along the femoral neck (a) and another tangential to the posterior aspect of the medial and lateral femoral condyle of femur (b). The horizontal line is c. Femoral version is calculated by adding or subtracting the angles between a and c and that between b and c. If the angles open toward the same side, they are subtracted and if opposite, they are added