Table 1. Intrarater and interrater reliability of interdigital muscle thickness (IDMT) (n=41).

		1st (mm)	2nd (mm)	ICC	CI
Intrarater reliability	IDMT relaxation	24.7 ± 2.9	24.8 ± 2.9	0.948	0.902–0.973
	IDMT contraction	34.9 ± 3.1	35.2 ± 3.0	0.900	0.814–0.948
Interrater reliability	IDMT relaxation	26.7 ± 3.4	27.3 ± 3.0	0.809	0.674–0.891
	IDMT contraction	34.5 ± 4.1	35.1 ± 3.3	0.690	0.504–0.815

ICC: intraclass correlation coefficient; CI: confidence interval.