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. 2021 Mar 8;18(5):2696. doi: 10.3390/ijerph18052696

Figure 2.

Figure 2

(A) Smart insole introduced by Tekscan, Inc. It is an insole with a series of pressure sensors; the resistance of the sensor will change with applied pressure [33]. (B) COP displacement traced using the smart insole system [14]. (C) Representative bi-plantar pressure map during upright standing. The red circle represents the left and right plantar COP calculated from the pressure matrix [14].