Fig. 1From: Radiographic evaluation of congruency of the first metatarsophalangeal joint in hallux valgusThe imaging indicators of the first MTP joint on the weightbearing foot anterior–posterior images. A hallux valgus angle, HVA; B distal metatarsal articular angle, DMAA; C metatarsophalangeal joint angle, MTPJA; D congruency index, CI; E tibial sesamoid position, TSP; F evaluation of the congruency of the first MTP jointBack to article page