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Applied Bionics and Biomechanics
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2015
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Article
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Tab 3
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Research Article
A Biomechanical Comparison of Two Intramedullary Implants for Subtrochanteric Fracture in Two Healing Stages: A Finite Element Analysis
Table 3
Comparison of peak stresses of the femoral head between two implants (MPa).
Healing stage
Implant
Principal stress
von Mises stress
Tensile
Compressive
Soft callus
PFNA-II
40.4
−42.2
45.2
A2FN
30.5
−33.1
46.3
Hard callus
PFNA-II
39.2
−45.2
46.3
A2FN
28.2
−39.1
47.3