Fig. 5

Comparison of the equivalent stress of talus cartilage of seven groups in the heel-strike phase (A-G), the push-off phase (H-N), and the midstance phase (O-U): Normal Group (A-H–O); 2 mm*2 mm defect (B-I-P); 4 mm*4 mm defect (C-J-Q); 6 mm*6 mm defect (D-K-R); 8 mm*8 mm defect (E-L-S); 10 mm*10 mm defect (F-M-T); 12 mm*12 mm defect (G-N-U)