Table 1 Characteristics of the FDB compared to the EDL and soleus muscles

Muscle mass (mg)

6.7 ± 0.4*

11.2 ± 0.7

10.0 ± 0.4

Optimal muscle length (mm)

9.5 ± 0.2*

14.2 ± 0.3

13.4 ± 0.3

Fiber length (mm)

0.744 ± 0.01

5.44 ± 0.12 [19]

7.84 ± 0.22 [19]

Fiber to muscle length ratio

0.079 ± 0.002

0.45 ± 0.004 [19]

0.69 ± 0.006 [19]

- Type I

4.4 ± 2.9

0

35

- Type IIa

43.9 ± 1.9

3

53

- Type IIx

51.6 ± 4.8

25

11

- Type IIb

0

72

1

[26]

[26]

- Type I

488 ± 67

–

943 ± 198

- Type IIa

927 ± 314

634 ± 142‡

790 ± 149‡

- Type IIx

1267 ± 462

–

–

- Type IIb

–

772 ± 120

–

[35]

[35]