Getting the Facts About Bunion Surgery A bunion is a common foot deformity. Bunions can form on the little toes, but the most common variety is known medically as hallux valgus and occurs at the joint where the big toe meets the metatarsal bone. Read More Foot Doctor, PodiatristPodiatry Group of AnnapolisFebruary 18, 2019bunion, orthotics, foot pain, bunionectomy