PMID: 9437599Jan 23, 1998Paper

Joint stability after total shoulder arthroplasty in a cadaver model

Journal of Shoulder and Elbow Surgery
A R KardunaJ P Iannotti

Abstract

A cadaver model was used to test the hypothesis that glenohumeral joint stability is independent of articular surface conformity after total shoulder arthroplasty. For the purposes of this study joint stability was defined as the minimum force required for joint dislocation. After arthroplasty components were implanted into fresh-frozen glenohumeral joints, specimens were mounted on a load frame and tested for joint stability. For each specimen the amount of conformity between the articular surfaces was varied from 0 to 5 mm by changing the humeral head radius of curvature. Because the glenoid component was not charged, the wall height, or joint constraint, was maintained constant for a given specimen. Variations in joint conformity changed dislocation forces by an average of only 3%. These small differences are not believed to be clinically relevant, indicating that design changes affecting the joint conformity of a total shoulder arthroplasty system will not significantly affect glenohumeral joint stability, assuming that all other factors remain constant.

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Citations

Feb 24, 2005·Journal of Shoulder and Elbow Surgery·Gerald R Williams, Joseph A Abboud
Feb 24, 2005·Journal of Shoulder and Elbow Surgery·Vincent M WangGerard A Ateshian
Dec 3, 2014·Journal of Shoulder and Elbow Surgery·Jonathan L BerlinerBrian T Feeley
Jul 4, 2009·Journal of Shoulder and Elbow Surgery·Eric J StraussJoseph D Zuckerman
Mar 20, 2009·Journal of Shoulder and Elbow Surgery·Michael L PearlRoberto Postachini
Dec 20, 2008·Journal of Shoulder and Elbow Surgery·Michael A WirthJoanne L Tipper
Mar 12, 2004·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Katsumi TakaseWayne Zealous Burkhead
Apr 14, 2015·Journal of Biomechanics·Laurent WillemotKai-Nan An
Jan 23, 1999·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·A P Skirving
Nov 7, 2007·Clinical Biomechanics·Philippe FavreChristian Gerber
Jul 15, 2005·Journal of Shoulder and Elbow Surgery·Andrew R KardunaMark D Lazarus
Jul 13, 2006·Journal of Shoulder and Elbow Surgery·Alexandre TerrierAlain Farron
May 18, 2007·Journal of Shoulder and Elbow Surgery·Ryan T BicknellJames A Johnson
Feb 27, 2007·Journal of Shoulder and Elbow Surgery·Michael A WirthCharles A Rockwood
Dec 19, 2006·Journal of Shoulder and Elbow Surgery·Nattapol TammachoteKai-Nan An
Dec 10, 2013·JBJS Reviews·April D Armstrong, Gregory S Lewis
Mar 25, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Sarah JunaidUlrich Hansen
Aug 20, 2015·Journal of Biomechanical Engineering·Lauranne SinsNatalia Nuño
Feb 12, 2008·Clinical Orthopaedics and Related Research·Sergio GutiérrezZong-Ping Luo
Aug 2, 2019·Journal of Biomechanical Engineering·Matteo MancusoKamiar Aminian
Sep 6, 2017·JBJS Reviews·Bradley SchochMark Lazarus
Dec 11, 2002·The Journal of Bone and Joint Surgery. American Volume·Gilles WalchPatrice Adeleine
Jun 8, 2001·The American Journal of Sports Medicine·W L HealyM J Lemos
Oct 20, 2001·Journal of Shoulder and Elbow Surgery·E J WeldonF A Matsen
May 4, 2002·Journal of Shoulder and Elbow Surgery·Steen Lund JensenOtto Sneppen
Oct 16, 2002·Journal of Shoulder and Elbow Surgery·Mark A FrankleWilliam E Lee
Jul 10, 2003·Journal of Shoulder and Elbow Surgery·Ryan T BicknellJames A Johnson
Sep 25, 2004·Journal of Biomechanics·S P AhirJ I L Bayley

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