The effect of the orientation of the noncircular radial head on elbow kinematics

Clinical Biomechanics
R P van RietK N An

Abstract

The objective of this study was to identify the effect of radial head shape and orientation on elbow kinematics in the otherwise intact elbow. Biomechanical study, analyzing simulated active motion of cadaveric arms. A discrepancy exists between the noncircular anatomy of the radial head and radial head prostheses. The effect of radial head shape is unknown. Kinematic effects of radial head shape were tested in six fresh-frozen upper extremities. A custom-made native radial head prosthesis was used to simulate altered shape conditions, by rotating the radial head 90 degrees. Three-dimensional spatial orientation of the ulna was recorded, during simulated active motion. A three factor ANOVA was used to compare (a) nominal and 90 degrees oriented conditions, (b) throughout the flexion arc (c) in three forearm positions (P < 0.05). Post-hoc Tukey tests were done to assess significance. No significant effect of altering radial head shape was found on total ulnohumeral laxity and angulation during gravity valgus stress. We did find a significant effect on total ulnar axial rotation and rotation during gravity valgus stress. The outer shape of the radial head seems to change rotation of the ulna during flexion-extension in an otherwi...Continue Reading

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Citations

Mar 8, 2007·Surgical and Radiologic Anatomy : SRA·T C KoslowskyJ Koebke
Dec 1, 2012·European Journal of Trauma and Emergency Surgery : Official Publication of the European Trauma Society·K J BurkhartL P Mueller
Dec 22, 2015·Journal of Shoulder and Elbow Surgery·Marc-Olivier GauciYves Allieu
May 7, 2013·Journal of Shoulder and Elbow Surgery·Ryan N KatchkyGeorge S Athwal
Sep 18, 2010·Journal of Shoulder and Elbow Surgery·Klaus Josef BurkhartMüller P Lars
Dec 29, 2009·Journal of Shoulder and Elbow Surgery·Fabian MoungondoFrédéric Schuind
Oct 10, 2007·The Journal of Hand Surgery·Karol GalikMark Carl Miller
Nov 4, 2015·The Journal of Hand Surgery·Celine YeungGeorge S Athwal
Dec 30, 2014·Surgical and Radiologic Anatomy : SRA·Kilian WegmannKlaus J Burkhart
Mar 13, 2009·Journal of Shoulder and Elbow Surgery·Roger P van RietShawn W O'Driscoll
Mar 23, 2010·Clinical Biomechanics·Louis M FerreiraGraham J W King
Feb 22, 2012·Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand·Suriya LuenamChusak Thanawattano
Dec 13, 2016·Orthopaedics & Traumatology, Surgery & Research : OTSR·L TaralloF Catani
Apr 22, 2008·Journal of Shoulder and Elbow Surgery·Edward YianAlberto G Schneeberger
Aug 12, 2018·International Orthopaedics·Pierre LaumoneriePierre Mansat
Jun 23, 2020·Shoulder & Elbow·R P van RietA C Watts
Oct 31, 2020·Shoulder & Elbow·Miguel DeschrijverAlexander Van Tongel
Apr 27, 2021·Shoulder & Elbow·Pierre LaumoneriePierre Mansat
Jul 16, 2021·Journal of Clinical Orthopaedics and Trauma·Kuen ChinAnand Arya
Jun 28, 2021·Journal of Shoulder and Elbow Surgery·Romain CeccarelliMarc Olivier Gauci

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