Femur Linear Offset: This is the difference in vertical height between the tops of the femur heads.

Femur Angular Ofset:  This is the angle that the line connecting the tops of the femur heads makes with a horizontal.

Illium Linear Offset: This is the difference in vertical height between the tops of the Ilium.

Illium Angular Ofset:  This is the angle that the line connecting the tops of the left and right Ilium makes with a horizontal.

Sacral Base Angle:  This is the angle made by the base of the sacrum relative to the horizontal.

L5 Angle:  This is the angle made by the base of L5 relative to the horizontal.

Symphsis-L5 Offset: This is the horizontal offset from the center of the L5 body to the center of the symphsis.

Pelvis Width: This is the distance between the tops of the femur heads.