Table 1. Measurements on lumbar vertebrae in mm for linear data and degrees for angles (measurement definitions are included in the supplementary material).

	U.W.88–232(L2)	U.W.88–233(L3)	U.W.88-127/ 153/234(L4)	U.W.88-126/138(L5)
1. Body sup. transv. width	29.5	30.1	31.4	32.8
2. Body sup. dorsoven. dia.	20.8	21.4	22.2	21.4
3. Body inf. transv. width	29.0	31.4	32.4	28.8
4. Body inf. dorsoven. dia.	21.1	21.0	21.2	19.8
5. Body ventral height	21.0	21.75	22.1	21.0
6. Body dorsal height	22.5	22.25	21.5	17.0
7. Body wedging angle (calculated)	4.1°	1.3°	–1.6°	–10.7°
8. Vertebral foramen dorsoven. dia.	10.5	8.85	–	23.0
9. Vertebral foramen transv. dia.	17.6	17.3	–	16.3
10. Sup.-inf. inter-AF height	–	37.0	32.6	31.5
11. Max. inter-SAF dist.	–	24.0	–	28.5
12. Min. inter-SAF dist.	–	14.5	–	–
13. Max. inter-IAF dist.	23.0	25.0	(28.0)*	(33.0)
14. Min. inter-IAF dist.	11.0	9.5	11.6	15.6
15. SAF sup.-inf. dia.	–	12.8	–	13.4
16. SAF transv. dia.	–	11.5	–	10.8
17. IAF sup.-inf. dia.	11.5	11.5	14.7	14.4
18. IAF transv. dia.	8.1	8.9	9.2	11.7
19. Spinous process angle	176°	160°	163°	166°
20. Spinous process length	27.0	28.0	28.0	23.6
21. Spinous process terminal trans. width	6.9	7.4	8.1	6.85
22. Spinous process terminal sup.-inf. height	13.8	11.75	12.7	7.15
23. Costal process base sup.-inf. height	11.5	12.2	–	13.9
24. Costal process angle	78°	82°	–	50°
25. Costal process length	–	31.0	–	–
26. SAF orientation (in degrees)	–	31°	33°	26°
27. Pedicle sup.-inf. height	10.9	10.6	–	11.2
28. Pedicle transv. width	5.9	7.1	9.0	10.9
29. Pedicle dorsoven. length	5.0	5.6	6.5	7.0
30. Lamina sup.-inf. height	16.1	15.4	–	14.0
31. Lamina transv. width	20.0	22.0	–	30.5

^*Parentheses indicate that the structure is incomplete and its measurement if estimated.