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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.