Circular external fixation for metatarsal lengthening in brachymetatarsia. A and B, Half-ring fixed at midfoot. Phalanges are temporarily attached to rod with two wires at base of first phalanx and arthrodesis wire bridging interphalangeal joints. C, Distraction begins on day six postoperatively. (From Barbier D, Neretin A, Journeau P, Popkov D: Gradual metatarsal lengthening by external fixation: a new classification of complications and a stable technique to minimize severe complications, Foot Ankle Int 36(11):1369, 2015.) SEE TECHNIQUE 84.32.