{"id":2670,"date":"2025-09-17T15:06:49","date_gmt":"2025-09-17T05:06:49","guid":{"rendered":"https:\/\/webdev.sydney.edu.au\/kolling\/research-group\/orthopaedics\/"},"modified":"2026-02-19T10:12:33","modified_gmt":"2026-02-18T23:12:33","slug":"orthopaedics","status":"publish","type":"research-group","link":"https:\/\/kollinginstitute.org.au\/news_demo\/research-group\/orthopaedics\/","title":{"rendered":"Orthopaedics"},"content":{"rendered":"\n<p>The Orthopaedic Surgery Department brings together surgeons from different specialties with a common interest in improving the diagnosis and management of musculoskeletal diseases and injuries.&nbsp;<\/p>\n\n\n\n<p>We are currently conducting research into hip and knee replacement, frozen shoulder, rotator cuff tendon disease, acute spinal injuries, musculoskeletal trauma and hand tendon dysfunction and repair.<\/p>\n\n\n\n<p>Using an advanced robotic platform, we conduct biomechanical testing studies on cadaver tissue, bone models, and custom testing jigs to help better understand the kinetics and kinematics of joints. Our research aims to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gain a better understanding of the kinetics and kinematics of joints, bone segments, and soft tissue structures&nbsp;<\/li>\n\n\n\n<li>Assess performance of implants and improve their design<\/li>\n\n\n\n<li>Improve surgical procedures and determine their impact on joint functions<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-vimeo wp-block-embed-vimeo\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/362468641?dnt=1&amp;app_id=122963\" width=\"500\" height=\"281\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_Prof-Bill-Walter-and-hip-bone.jpg\" alt=\"\" class=\"wp-image-3000\" srcset=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_Prof-Bill-Walter-and-hip-bone.jpg 1000w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_Prof-Bill-Walter-and-hip-bone-300x200.jpg 300w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_Prof-Bill-Walter-and-hip-bone-768x512.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<div style=\"border-style:none;border-width:0px;--etb-a-tab-btn-bg-color:#FFFFFF;--etb-a-tab-btn-text-color:#ab40a1;--etb-a-tab-btn-heading-color:#ffffff;--etb-a-tab-bt-style:none;--etb-a-tab-bt-width:0px;--etb-a-tab-br-style:none;--etb-a-tab-br-width:0px;--etb-a-tab-bb-style:none;--etb-a-tab-bb-width:0px;--etb-a-tab-bl-style:none;--etb-a-tab-bl-width:0px;--etb-h-tab-btn-bg-color:#ffffff;--etb-h-tab-btn-text-color:#000000;--etb-h-tab-btn-heading-color:#000000;--etb-h-tab-bt-style:none;--etb-h-tab-bt-width:0px;--etb-h-tab-br-style:none;--etb-h-tab-br-width:0px;--etb-h-tab-bb-style:none;--etb-h-tab-bb-width:0px;--etb-h-tab-bl-style:none;--etb-h-tab-bl-width:0px;--etb-scroll-arrows-icon-color:#ab40a1\" class=\"wp-block-easy-tabs-block-tabs has-active-etb-bg-color has-active-etb-text-color has-active-etb-heading-color has-active-etb-border has-hover-etb-bg-color has-hover-etb-text-color has-hover-etb-heading-color has-hover-etb-border\" data-id=\"69f99769-219c-401b-9cfe-ab3499d7e010\" data-initial-tab=\"1\" data-trigger=\"click\"><div class=\"wp-block-easy-tabs-block-tabs-inner is-layout-flow wp-block-easy-tabs-block-tabs-is-layout-flow\">\n<div class=\"etb-tabs-buttons-scrollable-with-arrows\"><div class=\"wp-block-easy-tabs-block-tab-buttons has-etb-buttons-scrollable is-layout-flex wp-container-easy-tabs-block-tab-buttons-is-layout-d7af6e26 wp-block-easy-tabs-block-tab-buttons-is-layout-flex\" style=\"border-style:none;border-width:0px\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<div class=\"wp-block-easy-tabs-block-tab-button\" style=\"border-style:none;border-width:0px\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"43\" height=\"39\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Icons_lead-icon2.png\" alt=\"\" class=\"wp-image-1098\" style=\"width:20px\"\/><\/figure>\n\n\n\n<p style=\"border-style:none;border-width:0px;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">Lead<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-button\" style=\"border-style:none;border-width:0px\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"43\" height=\"39\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Icons_people-icon2.png\" alt=\"\" class=\"wp-image-1114\" style=\"width:20px\"\/><\/figure>\n\n\n\n<p style=\"border-style:none;border-width:0px;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">People<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-button\" style=\"border-style:none;border-width:0px\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"43\" height=\"39\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Icons_projects-icon2.png\" alt=\"\" class=\"wp-image-1120\" style=\"width:20px\"\/><\/figure>\n\n\n\n<p style=\"padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">Projects<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-button\" style=\"border-style:none;border-width:0px\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-6c531013 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"43\" height=\"39\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Icons_publications-icon2.png\" alt=\"\" class=\"wp-image-2818\" style=\"width:20px\"\/><\/figure>\n\n\n\n<p style=\"padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">Publications<\/p>\n<\/div>\n<\/div>\n<\/div><button class=\"etb-scroll-button left\" aria-label=\"Scroll to the left\"><span class=\"chevron-left\"><\/span><\/button><button class=\"etb-scroll-button right\" aria-label=\"Scroll to the right\"><span class=\"chevron-right\"><\/span><\/button><\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-contents has-border-color has-accent-6-border-color\" style=\"border-width:1px\">\n<div class=\"wp-block-easy-tabs-block-tab-content etb-animation-slide-up\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">    <div class=\"team-block-page\">\n                    <div class=\"team-member\">\n                <img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"270\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Professor-Bill-Walter.jpg\" class=\" wp-post-image\" alt=\"Professor Bill Walter Professor\" \/>                <div class=\"team-member-content\">\n                    <h3>Professor Bill Walter<\/h3>\n                    <div class=\"team-content\">\n                        \n<p>Professor of Orthopaedics and Traumatic<br>Chair of Institute of Bone and Joint Research<br>Surgery, The University of Sydney &amp;&nbsp;Northern Sydney Local Health District (Royal North Shore Hospital)<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-content etb-animation-slide-up\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">    <div class=\"team-block-page\">\n                    <div class=\"team-member\">\n                <img loading=\"lazy\" decoding=\"async\" width=\"217\" height=\"300\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2-217x300.jpg\" class=\" wp-post-image\" alt=\"Dr Mounir Boudali\" srcset=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2-217x300.jpg 217w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2-741x1024.jpg 741w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2-768x1061.jpg 768w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2-1111x1536.jpg 1111w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/08\/Team_Mounir-web2.jpg 1369w\" sizes=\"auto, (max-width: 217px) 100vw, 217px\" \/>                <div class=\"team-member-content\">\n                    <h3>Dr Mounir Boudali<\/h3>\n                    <div class=\"team-content\">\n                        \n<p class=\"is-style-text-subtitle\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.191), 0.98rem);\">Researcher<br>Murray Maxwell Biomechanics Laboratory<br>Orthopaedics<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Nathan Hartin<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Benjamin Cass<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Andrew Ellis<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Dimitri Papadimitriou<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Sean Suttor<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Michael Symes<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Myles Coolican<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Joseph Issacs<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Andrew Cree<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Randolf Gray<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr David Parker<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Andrew Wines<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Dr Terence Moopanar<\/h3>\n                    <div class=\"team-content\">\n                        <p>Orthopaedic Surgeon<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"team-member\">\n                                <div class=\"team-member-content\">\n                    <h3>Lyn McDonald<\/h3>\n                    <div class=\"team-content\">\n                        <p>Research Nurse<\/p>\n                    <\/div>\n                <\/div>\n            <\/div>\n            <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-content etb-animation-slide-up\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<h3 class=\"wp-block-heading\">Sagittal stability in total knee replacement<\/h3>\n\n\n\n<p>Goal: Total knee replacement may be stable or unstable in the sagittal plane. Sagittal stability can be measured by Lachman test, anterior drawer KT1000. Sagittal stability is an important factor determining reported outcomes and function.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"532\" src=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_knee-x-ray.jpg\" alt=\"\" class=\"wp-image-3001\" srcset=\"https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_knee-x-ray.jpg 1000w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_knee-x-ray-300x160.jpg 300w, https:\/\/kollinginstitute.org.au\/news_demo\/wp-content\/uploads\/2025\/09\/root_Content_knee-x-ray-768x409.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Comparison of kinematics of two different implant designs after total knee arthroplasty<\/h3>\n\n\n\n<p>Kinematics of a medial ball and socket and a single radius cruciate retaining total knee arthroplasty designs were compared using KneeKG in this study.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Patellofemoral joint&nbsp;<\/h3>\n\n\n\n<p>A comprehensive biomechanical testing study<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The accuracy analysis of 3D pre-operative planning<\/h3>\n\n\n\n<p>This project investigates the potential factors that influence the implant size disagreement between the pre-operative planning and the actual implant selected intraoperatively. The 3D assisted pre-operative planning and implant simulation method are involved in this project.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The Tight Rope study<\/h3>\n\n\n\n<p>A&nbsp;cadaveric, biomechanical comparison of generations of suspensory fixation with internal brace for Rockwood grade V acromioclavicular&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.jshoulderelbow.org\/article\/S1058-2746(24)00553-6\/fulltext\" target=\"_blank\">joint injuries.<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">The daily life activities with high risk of hip impingement, subluxation and dislocation.&nbsp;<\/h3>\n<\/div>\n\n\n\n<div class=\"wp-block-easy-tabs-block-tab-content etb-animation-slide-up\" data-selector=\"69f99769-219c-401b-9cfe-ab3499d7e010\">\n<h3 class=\"wp-block-heading\">Professor Bill Walter<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hayasaka S, Newman C, Walter WL, Talbot S. (2019) Coronal tibial alignment is linked to femoral rotational asymmetry: Implications for total knee arthroplasty surgery. The Knee 26(2): 435-443.&nbsp;<a href=\"https:\/\/www.thekneejournal.com\/article\/S0968-0160(19)30006-7\/fulltext\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>McKenna RM, Jack CM, Walter WK, Zicat B, Walter WL. (2019) Limited femorotomy \u2013 Removing a well fixed cementless stem. Seminars in Arthroplasty 29(3): 188-190.&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1045452719300306?via%3Dihub\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Katchky A, Jones CW, Walter WL, Shimmin AJ. (2019) Medial ball and socket total knee arthroplasty: Five-year clinical results. The Bone and Joint Journal 101-B(1) Supple A: 59-65.&nbsp;<a href=\"https:\/\/online.boneandjoint.org.uk\/doi\/full\/10.1302\/0301-620X.101B1.BJJ-2018-0434.R1\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Walter WL (2018) Medial pivot designs avoid the need for ligament balancing \u2013 Affirms. Supple 10: 95.<\/li>\n\n\n\n<li>Jacobs HW, McKenna RM, Walter WL. (2018) Hip resurfacing: What does the Australian National Joint Registry say? Seminars in Arthroplasty 28(4): 233-238.&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1045452718300129?via%3Dihub\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>McKenna RM, Jacobs HW, Walter WL. (2018) Ceramic on ceramic bearings: Assured longevity in patients younger than 60 years? Seminars in Arthroplasty 28(4): 231-232.&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1045452718300026?via%3Dihub\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Newman C, Walter WL, Talbot S. (2018) Femoral rotational asymmetry is a common anatomical variant. Clinical Anatomy 31(4).<\/li>\n\n\n\n<li>Goldhofer M, Munir S, Levy Y, Walter WK, Zicat B, Walter WL. (2018) Increase of benign squeaking rate at 5-year follow-up: Results of a large diameter ceramic-on-ceramic bearing in total hip arthroplasty (blinded). The Journal of Arthroplasty 33(4): 1210-1214.&nbsp;<a href=\"https:\/\/www.arthroplastyjournal.org\/article\/S0883-5403(17)31049-5\/fulltext\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Shah SM, Munir S, Walter WL. (2017) Changes in spinopelvic indices after hip arthroplasty and its influence on acetabular component orientation. Journal of Orthopaedics 14(4): 434-437.&nbsp;<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0972978X17301538?via%3Dihub\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Chow J, Pearce S, Cho K-K, Walter WL. (2017) Direct anterior approach using navigation improves accuracy of cup position compared to conventional posterior approach. Cureus 9(7): e1482. [DOI: 10.7759\/cureus.1482]<\/li>\n\n\n\n<li>Levy Y, Walter WL. (2017) Complications of ceramic-on-ceramic bearings: Fracture, stripe wear, and squeaking. In: Complications after primary total hip arthroplasty: A comprehensive clinical guide. pp. 137-150. [DOI:&nbsp;<a href=\"https:\/\/link.springer.com\/chapter\/10.1007%2F978-3-319-54913-2_14\" target=\"_blank\" rel=\"noreferrer noopener\">10.1007\/978-3-319-54913-2_14]<\/a><\/li>\n\n\n\n<li>Shah SM, Walter WL, Ngo J. Is the pelvis stable during supine total hip arthroplasty? Acta Orthopaedic Belgica 83(1): 81-86.<\/li>\n\n\n\n<li>Shah SM, Walter WL, Tai S, Lorimer M, de Steiger R. (2017) Late dislocations after total hip arthroplasty: Is the bearing a factor? The Journal of Arthroplasty 32(9): 2852-2856.&nbsp;<a href=\"https:\/\/www.arthroplastyjournal.org\/article\/S0883-5403(17)30378-9\/fulltext\" target=\"_blank\" rel=\"noreferrer noopener\">[more information]<\/a><\/li>\n\n\n\n<li>Parkes M, Sayer K, Goldhofer M, Cann P, Walter WL, Jeffers J. (2017) Zirconia phase transformation in retrieved, wear simulated, and artificially aged ceramic femoral heads: Phase transformation in retrieved ceramics. 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