Fig. 3From: The analysis of sacrum and coccyx length measured with computerized tomography images depending on sexa The measurement of the lengths transverse lines 1, 2, 3, and 4 on coronal plane. b The measurement of the right interforaminal height 1, 2, and 3 (IFHR-1, 2, and 3) and left interforaminal height 1, 2, and 3 (IFHL-1, 2, and 3) on the coronal planeBack to article page