Optimization of in-brace corrective force in adolescents with Lenke type 5 curve using finite element model

Table 1 Mechanical properties of FEM anatomical structures

Component	Young’s Modulus (MPa)	Poisson ratio	Cross-sectional area (mm²)
Vertebral body	12,000	0.3	–
Rib	5000	0.3	–
disk	4.2	0.45	–
ALL	20	–	63.7
PLL	20	–	20
SSL	15	–	30
ITL	58.7	–	1.8
ISL	11.6	–	40
CL	32.9	–	30
LF	19.5	–	40

ALL, anterior longitudinal ligament; PLL, posterior longitudinal ligament; LF, ligamentum flavum; CL, capsular ligament; ISL, interspinous ligament SSL, supraspinal ligament; ITL, Intertransverse ligament

ISSN: 1749-799X