4 month old male with metatarsus adductus. A/P foot view shown. Bleck Classification (Bleck EE, JPO 1983;3:2-9)(link is external). Normal: heel bisector crosses 2nd webspace. Mild: heel bisector crosses 3rd toe. Moderate: heel bisector crosses 3rd webspace. Severe: heel bisector crosses 4th webspace.
