Range of motion (ROM) of intact spinal models from literature and this study.

Range of motion (ROM) of intact spinal models from literature and this study.</p

Pedicle screw fracture at the insertion point in the UHMWPE test block.

Pedicle screw fracture at the insertion point in the UHMWPE test block.</p

Results of dynamic compression bending test.

Results of dynamic compression bending test.</p

Material properties of finite element models.

Material properties of finite element models.</p

Incomplete insertion of pedicle screws in a standard construct reduces the fatigue life: A biomechanical analysis - Fig 4

The distribution of maximum von Mises stress in (a) pedicle screws and (b) rods.</p

The stability of long-segment and short-segment fixation for treating severe burst fractures at the thoracolumbar junction in osteoporotic bone: A finite element analysis - Fig 1

Posterior view of T7-L5 spine models: a) intact; b) L1 corpectomy performed to simulate serious burst fracture; c) two-segment fixation at T12-L2 (TSF); d) up-three segment fixation at T11-L2 (UTSF); e) below-three segment fixation at T12-L3 (BTSF); f) four-segment fixation at T11-L3 (FSF); g) burst fracture segment at L1 to simulate a severe wedge deformity (Grade 3) [23]; h) and i) finite element mesh of T7-L5; and j) L4–L5 finite element model containing anterior longitudinal ligament (ALL), posterior longitudinal ligament (PLL), ligamentum flavum (LF), interspinous ligament (ISL), supraspinous ligament (SSL), and capsular ligaments (CL).</p

sj-doc-1-mdm-10.1177_0272989X211024980 – Supplemental material for Relationships among Antecedents, Processes, and Outcomes for Shared Decision Making: A Cross-Sectional Survey of Patients with Lumbar Degenerative Disease

Supplemental material, sj-doc-1-mdm-10.1177_0272989X211024980 for Relationships among Antecedents, Processes, and Outcomes for Shared Decision Making: A Cross-Sectional Survey of Patients with Lumbar Degenerative Disease by Chia-Hsien Chen, Hsin-Yi Chuang, Yen Lee, Glyn Elwyn, Wen-Hsuan Hou and Ken N. Kuo in Medical Decision Making</p

Changes in Max. von Mises stress under different length of lever arm.

Changes in Max. von Mises stress under different length of lever arm.</p

Maximum von Mises stress in rods.

Maximum von Mises stress in rods.</p

Incomplete insertion of pedicle screws in a standard construct reduces the fatigue life: A biomechanical analysis - Fig 2

(a) Finite element model in accordance with ASTM F1717 standard configuration. (b) Pedicle screw fully inserted (unsupported screw length = 3.6 mm) (FME-T0), Pedicle screw inserted leaving one thread exposed (unsupported screw length = 5.6) (EXP-T1), Pedicle screw inserted leaving two threads exposed (unsupported screw length = 7.6 mm) (FEM-T2). (c) The axial displacement and load curve of experimental data and finite element models.</p