Figure 3From: Ultrasound evaluation in combination with finger extension force measurements of the forearm musculus extensor digitorum communis in healthy subjects US measuring point. (A) Position of the probe for ultrasound measurements of the EDC, 15% distal of the EDC origin. (B) Transverse US image obtained at the measurement position (contracted muscle). The circumference is shown by the dotted line, the cross-sectional area is the area within the line, and the muscle thickness is indicated by the double-headed arrow.Back to article page