Inclusion Criteria:  Children under 18 Showing signs that may suggest a limb fracture and justifying the realization of an X-ray (trauma with pain, deformation, edema, wound) Written informed consent from one of the two parents or the holder of parental authority signed Beneficiaries or members of a Health Insurance scheme  Exclusion Criteria:  A sign (s) of vital distress Any other reason than that of a suspected limb fracture A diagnosis of a limb fracture before its management in the emergency room (x-ray made in pre-hospital)