title: Classifications in Brief: Johnson and Strom Classification of Adult-acquired Flatfoot Deformity.
authors.forename: Mostafa M
authors.initials: MM
authors.lastname: Abousayed
authors.forename: Jason P
authors.initials: JP
authors.lastname: Tartaglione
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Rosenbaum
authors.forename: John A
authors.initials: JA
authors.lastname: Dipreta
mesh_terms: D000328:Adult; D000367:Age Factors; D001696:Biomechanical Phenomena; D005413:Flatfoot / Q000145:classification / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000266:history / Q000503:physiopathology; D005528:Foot / Q000000981:diagnostic imaging / Q000503:physiopathology; D005531:Foot Deformities, Acquired / Q000145:classification / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000266:history / Q000503:physiopathology; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D011237:Predictive Value of Tests; D011379:Prognosis; D011859:Radiography; D012720:Severity of Illness Index