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Table 4 Stresses at nodes on tibia contact surfaces (maximum/average MPa)

From: Initial stability and stress distribution of ankle arthroscopic arthrodesis with three kinds of 2-screw configuration fixation: a finite element analysis

Configuration

Flexion

Dorsiflexion

Valgus

Varus

External rotation

Internal rotation

Group A

64.97/2.477

70.63/2.568

70.97/2.676

66.45/2.535

61.00/2.756

84.24/2.759

Group B

49.03/2.714

46.66/3.066

51.15/2.894

50.13/2.913

40.57/2.568

60.52/3.479

Group C

90.56/2.745

83.50/3.022

79.44/2.901

90.47/2.924

91.29/3.358

88.97/3.091