<prompt> Non - union is a complication of:ScaphoidCollesInter- trochanteric of hipSupra condylor of the humerus  <response>: Ans. is a i.e. Scaphoid Commonly the Scaphoid occurs through its waist.In through the waist there is a high probability, of avascular necrosis of the proximal fragmentCommon sites of nonunion of :ScaphoidLower third of ulna Lateral condyles of humerusNeck of femurlower third of tibiaTalusCommon sites of malunion of s:ColiesSupracondylar intertrochanteric 