Fig. 5From: ARFI: from basic principles to clinical applications in diffuse chronic disease—a reviewEffect of the source-to-target distance on the speed of propagation of the shear waves. Oblique US scans on the right kidney in a healthy, thin subject. A higher SWV value (2.71 vs. 1.46 m/s) is measured in the renal cortex using a posterior approach (a), in which the kidney is closer to the skin surface, compared to using an anterior approach (b)Back to article page