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. Author manuscript; available in PMC: 2015 Jul 18.
Published in final edited form as: J Biomech. 2014 Apr 18;47(10):2452–2459. doi: 10.1016/j.jbiomech.2014.04.014

Table 1.

L3L4 disc morphometry. Statistics for Brinckmann and Grootenboer (1991) and Keller et al. (1987) were calculated by pooling reported measurements of individual discs. Where possible, measurements were selected that match the demographics of the current data set. For Nachemson et al. (1979) the reported standard deviations include non-L3L4 levels & Marfan syndrome discs, as only means were reported by subset. The entries for Panjabi et al. (1992) are the average of the reported superior and inferior vertebral endplate dimensions. n.d. = no data.

Reference Sex Age (years) Height (mm) Width (mm) Depth (mm) Area (cm2)
This study Male 50–93 10.2 ± 1.9 63.3 ± 6.8 42.2 ± 5.2 23.3 ± 4.5
Nachemson et al. (1979) Mixed 21–60 16.0 ± 0.3 54 ± 8 40 ± 6 15.9 ± 3.1
Showalter et al. (2012) Male 22–42 10.9 ± 0.8 55 ± 2 38 ± 2 19.2 ± 1.8
Brinckmann and Grootenboer (1991) and Keller et al. (1987) 4 M, 1 F 37–82 10.6 ± 1.0 n.d. n.d. 22.2 ± 5.6
Amonoo-Kuofi et al. (1991) Male 50–64 7.5 ± 0.6 n.d. 42.7 ± 1.9 n.d.
Panjabi et al. (1992) 8 M, 4 F 19–59 n.d. 47.3 ± 1.2 35.1 ± 1.2 12.6 ± 0.6