Fig. 3From: Classification of avulsion fractures of the fifth metatarsal base using three-dimensional CT mapping and anatomical assessment: a retrospective case series studySchematic illustration of measurement and observation of distribution characteristics on the dorsal view. a Rear margin tangent; b Lateral margin tangent; c Connection of the medial and lateral attachment points of the fifth metatarsal metaphysis; d Medial margin tangent; e Anteroposterior diameter of the base of the fifth metatarsal bone; f Transverse diameter of the base of the fifth metatarsal bone; g Distance between fracture line and tangent line of lateral margin; h Distance between fracture line and tangent line of posterior margin; i Fracture lineBack to article page