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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 The results of four models analyzed in terms of sliding distance, gap formation, resultant displacement, frictional stress, and pressure

From: Comparison of four different screw configurations for the fixation of Fulkerson osteotomy: a finite element analysis

FEA output

TTO—FEA-001

TTO—FEA-002

TTO—FEA-003

TTO—FEA-004

Upper surface

Lower surface

Upper surface

Lower surface

Upper surface

Lower surface

Upper surface

Lower surface

Maximum sliding distance

(mm)

0.093

0.237

0.124

0.241

0.162

0.104

0.084

0.173

Average sliding

(mm)

0.165

0.182

0.133

0.128

Maximum gap

(mm)

1.491

0.613

1.470

0.557

1.476

0.516

1.481

0.572

Average gap

(mm)

1.052

1.013

0.996

1.025

Maximum resultant displacement (entire model)

(mm)

0.319

0.307

0.333

0.245

Stiffness of the entire model

N/mm

5185

5387

4967

6751

Maximum frictional stress

(MPa)

25.094

3.802

23.285

3.307

19.287

2.888

21.158

3.255

Maximum pressure

(MPa)

54.552

8.264

50.619

7.188

41.928

6.279

45.996

7.076

  1. FEA finite element analysis, TTO tibia tubercle osteotomy