Basic dataset of all cross sections of femora used for correlations and the calculation of growth curves.

Explanation of heading-abbreviations: DMW – Distal mediolateral width; C – Midshaft circumference; Group – The group, into which the cross section was sorted, depends on cutting level; Ant-post Ø – Diameter of cross section in anteroposterior direction; Med-lat Ø – Diameter of cross section in mediolateral direction; Ant-post cavity – Diameter of marrow cavity in anteroposterior direction; Med-lat cavity – Diameter of marrow cavity in mediolateral direction; BWT max - Maximum of bone wall thickness; BWT min – Minimum of bone wall thickness. The age in years is derived from the growth curves. All data in mm.