With this case study, we want to make known the effectivity of extracorporeal radial shockwave therapy on bone healing failure; for this particular case the astragalus pseudarthrosis is a failure of this bone's healing from fracture, in other words, the non-union of fracture lines by the alteration in any of the phases of bone healing. This is a case study of a patient with astragalus pseudarthrosis and the response to treatment with radial shockwave therapy.