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Table 1 Mean (± SD) muscle thickness (cm) and cross-sectional area (CSA; cm 2 ) values taken on Day 1 and 2 and their respective Intraclass Correlation Coefficient (ICC) and absolute Limits of Agreement (LoA) values with their normalised values in parentheses

From: Reliability of ultrasound to measure morphology of the toe flexor muscles

 

Day 1

Day 2

ICC

LoA (%)

ABH CSA

2.56 ± 0.89

2.46 ± 0.87

0.95

0.75 (30)

ABH thickness

1.24 ± 0.34

1.23 ± 0.38

0.98

0.22 (18)

ABH CSAMM

2.45 ± 0.94

2.43 ± 0.83

0.98

0.42 (17)

FDB CSA

2.10 ± 0.54

2.19 ± 0.54

0.99

0.18 (8)

FDB thickness

1.00 ± 0.19

1.02 ± 0.20

0.95

0.16 (16)

ABDM CSA

2.11 ± 0.64

2.10 ± 0.61

0.98

0.33 (16)

ABDM thickness

1.08 ± 0.32

1.05 ± 0.26

0.97

0.19 (18)

FHB CSA

2.45 ± 0.53

2.49 ± 0.59

0.89

0.69 (28)

FHB thickness

1.28 ± 0.31

1.21 ± 0.28

0.97

0.21 (17)

QP CSA

1.74 ± 0.60

1.75 ± 0.55

0.99

0.16 (9)

QP thickness

1.04 ± 0.27

1.01 ± 0.25

0.97

0.18 (18)

FDL CSA50%

1.73 ± 0.39

1.59 ± 0.42

0.98

0.23 (14)

FDL CSA40%

1.76 ± 0.42

1.68 ± 0.37

0.92

0.43 (25)

FHL CSA50%

3.83 ± 0.95

4.15 ± 0.94

0.98

0.48 (11)

FHL CSA40%

4.28 ± 0.62

4.34 ± 0.74

0.57

1.31 (30)

  1. ABH = abductor hallucis; MM = taken at medial malleous; FDB = flexor digitorum brevis; ABDM = abductor digiti minimi; QP = quadratus plantae; FDL = flexor digitorum longus; FHL = flexor hallucis longus; 40% and 50% refer to measurement taken at 40 and 50% of the tibial length, respectively.