Fig. 1
From: Effects of wearing knee-guards on skin pressure and skin blood flow during dynamic motions

Front and rear side of the knee guard (a), eight regions of skin pressure measurements for the knee-guard condition (A to H) (b, c) and five regions for the control condition (D to H) (filled circle: covered by knee socks, open circle: not covered by the knee socks) (b, c), and four regions of SBF (skin blood flow) measurements (I to IV) (b), the KG condition (d), and the Control condition (e)