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Table 1 Overview of the anatomical measurements L5, intervertebral disc, and musculus psoas

From: L4/5 accessibility for extreme lateral interbody fusion (XLIF): a radiological study

(mm)

L5: axial wide

L5: axial depth

Intervertebral disc height L4/5

M. psoas diameter left

M. psoas diameter right

Minimum

36.2

29.3

5.1

30.2

23.9

Maximum

69.7

67.8

16.7

62.6

60

Mean value

56.7

38.7

11.1

44.8

43.5

SD

5.5

5.6

2.2

7.7

8.2