Foot Support Junior | Medical Shoe Insoles for Children | Pes valgusmedi footsupport Junior foot orthotic has been developed specifically to provide maximum support for childrens feet and Pes valgus. "Pes valgus" is a medical term that refers to a foot malformation characterised by an inward or medial deviation of the heel and forefoot. In simpler terms, it describes a foot that rolls inward, causing the arch of the foot to collapse and the ankle to turn outward. This condition is also known as flatfoot or pronation.