“…Tarsal coalitions represent >90% of cases, involve the talocalcaneal joint or calcaneonavicular joint (4,(14)(15)(16), and more than one half are bilateral (4,7,15,17,18). Patients will present with symptoms during the second decade of life (5,16,(19)(20)(21)(22) with a history of chronic pain during activity, after a traumatic injury, with repeated sprains, rigid flatfoot, or peroneal spastic flatfoot (5,23,24). Physical examination can reveal a rigid valgus hindfoot with forefoot abduction associated with peroneal muscle spasm on forced inversion.…”