Analysis of Proximal Femoral Parameters in Adolescent Idiopathic Scoliosis

Figure 2

Measured parameters. (a) FM-FS: femoral mechanical axis-femoral shaft angle, FMA: femur mechanical axis, and FAA: femur anatomical axis; (b) FHD: femur head diameter; (c) FNL: femoral neck length; (d) NSA: neck shaft angle (FNA: femur neck axis); (e) FO: Femoral offset; (f) FT: femoral torsion (PCL: posterior condylar line).

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