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Journal of Experimental Orthopaedics
Fig. 5 | Journal of Experimental Orthopaedics

Fig. 5

From: The quest for optimal femoral torsion angle measurements: a comparative advanced 3D study defining the femoral neck axis

Fig. 5

Two 3D reconstructed images demonstrating the difference in torsion between method 4 and 5 in a hip without a CAM and CAM hip. a No CAM deformity. The measured torsion is approximately the same for method 4 (red) and 5 (blue). b Underestimation of torsion when measured with method 4 as compared with method 5. In method 4, the intersection of the femoral neck is at the level of the CAM, which anteriorizes the centre of the femoral neck and therefore decreases the torsion

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