Perkins line
Perkins line is the vertical pelvic reference used with Hilgenreiner line in DDH assessment. Review its definition, 1928 origin, history and eponymythology
Tag DDH
George Perkins
George Perkins (1892-1979) was an English orthopaedic surgeon known for Perkins line, Perkins traction, functional fracture treatment and British orthopaedic leadership.
Hilgenreiner line
Hilgenreiner line is the horizontal pelvic reference line used in paediatric hip radiographs. Review its use in DDH, history, Perkin line relationship and eponymythology.
Tönnis classification
Tönnis classification for developmental hip dysplasia: radiographic grades, key landmarks, limitations, historical development and the IHDI system
von Rosen splint
Von Rosen splint is an aluminium abduction splint for neonatal hip instability. Review history, design, evidence, complications and history.
Thomas Barlow
Thomas Geoffrey Barlow (1915-1975) English Orthopaedic surgeon. Barlow maneuver (Barlow test) screening for developmental dysplasia of the hip in infants