Three-Dimensional Analysis of the Characteristics of the Femoral Canal Isthmus: An Anatomical Study

Table 1

The abbreviations of the anatomical parameters of the femurs and canals.

Items	Abbreviations
Femoral length	F-length
Femoral radius	F-radius
Isthmus diameter	I-diameter
Height of the isthmus	I-height
Ratio of the height of the isthmus versus the femoral length	I-index
Distance between the isthmus and the LT in the -axis	LI-distance
Length of the isthmus tube in the -axis	T-length
Ratio of the height of the midpoint of the isthmus tube versus the femoral length	T-index
Length of the isthmus tube	T-length
AP-angle of the isthmus tube	AP-angle
Lateral angle of the isthmus tube	L-angle