Arthritic changes to hip joint result from both congenital and acquired disruption of joint statics, altered dynamic ratio of articular surfaces such as with congenital hip displacement, conditions after Perthes disease and epiphysiolysis
Inoue, "Stress fracture of the scaphoid combined with the distal radial epiphysiolysis
," British Journal of Sports Medicine, vol.
The poor manifestation of clinical signs is found in subperiosteal fractures and epiphysiolysis
without displacement of bone fragments (Schwarz, Pienaar, Schwarz et al.