
Stewart (Clin Ortho, 1960)
Type 1 – extra-articular fracture at metaphyseal-diaphyseal junction; Jones fracture
Type 2 – intra-articular avulsion fracture of 5th metatarsal base
Type 3 – extra-articular avulsion fracture of 5th metatarsal base
Type 4 – intra-articular comminuted fracture of 5th metatarsal base
Type 5 – extra-articular avulsion of epiphysis, in open growth plates