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. 2002 Feb 1;538(Pt 3):995–1002. doi: 10.1113/jphysiol.2001.013087

Figure 4. Measuring directional sensitivity of the SAII receptor in the heel.

Figure 4

An example of directional sensitivity for one of the SAII receptors located in the heel is presented. A hand-held force transducer stretched the plantar skin of the foot in an attempt to ensure reproducible amounts of stretch. This figure shows the level of stretch applied to the skin and the corresponding discharge activity in response to anterior stretch (A), medial stretch (B), posterior stretch (C) and lateral skin stretch (D).