A diagnostic horseshoe combining a toe portion selected from a group of at least two toe portions, the selected toe portion including two toe joint ends; a lateral heel portion selected from a group of at least two lateral heel portions, the selected lateral heel portion including a point end and a heel joint end; and a medial heel portion selected from a group of at least two medial heel portions, the selected medial heel portion including a point end and a heel joint end, wherein an interlocking joint connects the heel joint end of the selected lateral heel portion to one of the two toe joint ends of the selected toe portion, and another interlocking joint connects the heel joint end of the selected medial heel portion to the other of the two toe joint ends of the selected toe portion.