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Table 4 Element types and number of elements used in components of the spine

From: Biomechanical analysis of the lumbar spine on facet joint force and intradiscal pressure - a finite element study

Component Element type No. of elements
   L1 L2 L3 L4 L5  
Cortical bone M3D 385 3820 884 787 711  
Cancellous bone C3D4 4511 4180 4543 4285 4140  
Endplate M3D3 582 548 530 562 580  
Posterior bone C3D4 11773 15064 13636 12102 10594  
   L1/L2 L2/L3 L3/L4 L4/L5 L5/S1  
Nucleus pulposus C3D4 1048 954 992 988 833  
Annulus fibrosus M3D3 639 788 742 727 818  
Annulus ground C3D4 2079 2640 2447 2493 3201  
substance        
Ligament   ALL PLL LF ISL SSL TL
No. of elements M3D3 1544 592 552 335 250 710