Figure 1.
(I): Custom designed template used to position the retroreflective markers on the heel. The internal dimensions were as follows: A represents the horizontal spacing distance for the TOP and MID retroreflective marker provisions (2 in number), B represents the 2 mm diameter perforated holes (13 in number), C represents the 2 cm vertical spacing distance between the TOP and MID retroreflective marker provisions, D represents the 2 cm vertical spacing distance between the MID and LOW retroreflective marker provisions, E represents the horizontal spacing distance for the LOW (bottom) markers (6 in number). (II): Pictorial illustration showing the retroreflective marker positions on the heel (Note: the size of the retroreflective markers are 3 mm in diameter).
