“…A decreased arch increase the risk of hallux valgus, hammer or overlapping toes, medial tibial stress syndrome, patellofemoral pain, metatarsalgia, hallux rigidus, Tailor’s bunion, and lower back pain [ 9 , 10 , 11 , 12 ]. An increased arch might lead to difficulty in putting on footwear, hammertoes, metatarsalgia, sesamoiditis, plantar heel pain, corns and keratosis, ankle sprains, and stress fractures [ 13 , 14 , 15 , 16 ].…”