The malunion of supracondylar fracture of the humerus most commonly leads to -: (A) Flexion deformity, (B) Cubitus varus, (C) Cubitus valgus, (D) Extension deformity
Answer is B. Cubitus varus, also known as a "gunstock deformity", is the most common complication of supracondylar fracture humerus, due to malunion.