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Table 3 Average and maximum von Mises stress and contact pressure in the anterior, central and posterior section of the polyethylene component between 10 and 70% of the gait cycle

From: Contact stresses, pressure and area in a fixed-bearing total ankle replacement: a finite element analysis

  Anterior Central Posterior
von Mises (MPa) Contact pressure (MPa) von Mises (MPa) Contact pressure (MPa) von Mises (MPa) Contact pressure (MPa)
Average Max Average Max Average Max Average Max Average Max Average Max
10% 1.3 4.9 1.2 7.6 4.2 9.4 5.7 12.4 0.8 2.3 0.0 0.0
20% 4.1 10.3 5.6 12.6 3.7 8.6 5.0 11.7 0.5 1.6 0.0 1.0
30% 6.1 11.9 8.4 16.2 2.7 7.5 3.3 11.0 0.3 1.0 0.0 2.0
40% 7.5 14.1 10.0 19.8 2.7 7.6 2.9 11.0 0.3 1.0 0.0 3.0
50% 2.8 6.9 3.4 8.6 4.3 9.7 6.1 13.2 0.6 2.2 0.4 4.9
60% 0.3 2.1 0.0 0.0 0.4 2.1 0.1 0.9 0.6 5.4 0.0 0.0
70% 0.4 2.5 0.1 2.5 0.2 0.9 0.1 0.9 0.1 0.2 0.0 0.0