Table 1. System settings used in the investigation of motion in calibration fluid and in the skin of the forearm of 8 healthy subjects.

Frame rate (s-1)	Number of frames per image	Measurement time (s)
21	42	2.00
10	21	2.10
5	10	2.00
21	21	1.00
21	10	0.48
21	5	0.24