Foot-stabilizing shoe inserts

1) An article useful as an insert in a shoe for preventing undesirable motion of the foot of a human subject within the shoe, which article comprises:

• a) a substantially planar base portion having a length dimension, a width dimension, a thickness dimension, a toe end, a heel end, a top surface, a bottom surface and a circumferential edge;
• b) a first elevated portion comprising at least one edge and having a top surface, an overall length dimension, a width dimension, and a thickness dimension, said first elevated portion being disposed on the top surface of said base portion sufficiently to have a closest edge that is closest to said toe end of said base portion;
• c) a second elevated portion having a top surface, an overall length dimension, a width dimension, and a thickness dimension, said second elevated portion being disposed on the top surface of said first elevated portion;
• d) an optional covering disposed on the top surface of said base portion, said optional covering being selected from the group consisting of:
• fabrics and polymeric materials,
• wherein the first elevated portion is of sufficient length dimension that it extends across the base portion in an amount that is at least about 70% of the width dimension of said base portion