<prompt> Non-union is common in fracture ofScapulaTalusNeck of femurTibial fracture  <response>: The following are some of the clinical findings which suggest delayed union and non union : Persistent pain Pain on stressing the fracture Mobility in non-union Increasing deformity at the fracture site in non-union. Ref essential ohopaedic maheshwari and mhaskar 9TH ED p 48 