Table 5 Correlations between heel raise index and mechanical properties at 6, 12 and 18 weeks after injury. N = 10. Strain per force has been inverted to become specific stiffness. Primary comparisons in bold

Specific stiffness

Mean 6, 12, 18

0.29

0.39

Modulus

Mean 6, 12, 18

0.76

0.02

Transverse area

Mean 6, 12, 18

-0.71

0.03

Specific stiffness

6

0.30

0.37

Specific stiffness

12

0.46

0.17

Specific stiffness

18

0.19

0.57

Modulus

6

0.66

0.05

Modulus

12

0.73

0.03

Modulus

18

0.59

0.08

Transverse area

6

-0.45

0.17

Transverse area

12

-0.69

0.04

Transverse area

18

-0.74

0.02