Ultrasound evaluation in combination with finger extension force measurements of the forearm musculus extensor digitorum communis in healthy subjects

Table 2 Intra- and inter-observer agreement expressed as kappa values

	CSA (cm²)	Pennation angle (°)	Thickness (cm)
Intra-observer agreement (men)	0.90	0.80	0.89
Inter-observer agreement (men)	0.81	0.84	0.86
Intra-observer agreement (women)	0.92	0.81	0.85
Inter-observer agreement (women)	0.83	0.84	0.75

ISSN: 1471-2342