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Kerasnoudis A, Venouziou A, Vasiliadis AV. Neuromuscular ultrasound for the differential diagnosis of radial tunnel syndrome and lateral epicondylitis. J Neuroimaging 2024. [PMID: 39397287 DOI: 10.1111/jon.13244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 10/02/2024] [Accepted: 10/02/2024] [Indexed: 10/15/2024] Open
Abstract
BACKGROUND AND PURPOSE Lateral elbow pain is quite common in everyday life. Lateral epicondylitis and radial tunnel syndrome are the most common causes of lateral elbow pain. The aim of this study was to evaluate the sensitivity and specificity of neuromuscular ultrasound examination in the diagnosis of lateral epicondylitis versus radial tunnel syndrome. METHODS This was a prospective double-blinded pilot study of 68 elbows in 34 patients with lateral elbow pain. Patients underwent clinical examination and standardized neuromuscular ultrasound evaluation in the first 15 days after the initiation of symptoms. Statistical significance was set at p < .001. The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were calculated. RESULTS Sixty-eight radial nerves were examined in 34 healthy controls (16 males; mean age 48.1 ± 8.2 years). Pain with palpation over the radial tunnel was found in 25 of 48 elbows (52.1%) compared to the pain over the lateral epicondyle found in 10 of 48 elbows (20.8%). Τhe sensitivity of palpation in differentiating radial tunnel syndrome from lateral epicondylitis was 75.7%, while the specificity was 50% (PPV 71.4%, NPV 51.5%). The sensitivity of neuromuscular ultrasound in differentiating radial tunnel syndrome from lateral epicondylitis was 92.6%, while the specificity was 80% (PPV 92.6%, NPV 80.0%). In most of the patients (25/31), fibrous bands anterior to the radio-capitellar joint were responsible for the nerve entrapment. CONCLUSIONS The present study highlights the importance of the neuromuscular ultrasound's diagnostic role in differentiating radial tunnel syndrome from lateral epicondylitis in the clinical scenario of lateral elbow pain.
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Affiliation(s)
| | - Aaron Venouziou
- Department of Orthopaedic Surgery, Sports Trauma Unit, St. Luke's Hospital, Thessaloniki, Greece
| | - Angelo V Vasiliadis
- Department of Orthopaedic Surgery, Sports Trauma Unit, St. Luke's Hospital, Thessaloniki, Greece
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Arrigoni P, Ribolzi RR, Vismara V, Cassin S, Beltrame G, Nyarambi T, Zaolino C, Luceri F, Randelli PS. Proximal radioulnar joint, but not posterolateral, instability in patients with symptomatic minor instability of the lateral elbow. J Shoulder Elbow Surg 2024; 33:2264-2270. [PMID: 38815733 DOI: 10.1016/j.jse.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND The elbow joint is stabilized laterally by a complex of bony and ligamentous structures, such as the lateral ulnar collateral ligament and radial lateral collateral ligament (RLCL). Pathogenesis of many elbow conditions like symptomatic minor instability of the lateral elbow (SMILE) is based on ligamentous incompetency. The aim of this study is to measure ligament elongation in SMILE patients and determine the correlation with the development of this pathologic condition. MATERIALS AND METHODS Twenty-eight patients were included in this study: half of them were operated for suspected SMILE whereas the others were affected by other elbow diseases. All the patients underwent elbow arthroscopy. During this procedure, 4 parameters were analyzed: annular drive through (ADT), ulnar-humeral stressed distance (UHSD) at 45° and 30° of flexion, and loose collar sign (LCS). A dedicated arthroscopic mini-spreader introduced through an arthroscopic portal was used to take measurements. RESULTS Statistically significant differences were found for LCS (P = .0003) and ADT (P = .000002). UHSD at 30° and 45° elbow flexion was slightly higher in SMILE patients, but not significantly. DISCUSSION AND CONCLUSIONS Progressive stretching of the RLCL and annular ligament may lead to their elongation, resulting in a pathologic anteroposterior shifting of the radial head and a lower congruence between the inner surface of the annular ligament and the radial head cartilage, resulting in proximal radioulnar instability. The study shows how RLCL and annular ligament are elongated in SMILE patients compared with controls, causing instability of the proximal radioulnar joint and confirming that ligament incompetency is involved in the SMILE condition.
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Affiliation(s)
- Paolo Arrigoni
- Orthopedic and Traumatology Department, Clinica Ortopedica, Azienda Socio Sanitaria Territoriale Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milan, Italy.
| | - Romeo R Ribolzi
- Scuola Di Specializzazione in Ortopedia e Traumatologia Università Degli Studi Di Milano, Milan, Italy
| | - Valeria Vismara
- Scuola Di Specializzazione in Ortopedia e Traumatologia Università Degli Studi Di Milano, Milan, Italy
| | - Simone Cassin
- Scuola Di Specializzazione in Ortopedia e Traumatologia Università Degli Studi Di Milano, Milan, Italy
| | - Giulia Beltrame
- Scuola Di Specializzazione in Ortopedia e Traumatologia Università Degli Studi Di Milano, Milan, Italy
| | - Taurayi Nyarambi
- Orthopedic and Traumatology Department, University of Zimbabwe, Harare, Zimbabwe
| | - Carlo Zaolino
- Orthopedic and Traumatology Department, Clinica Ortopedica, Azienda Socio Sanitaria Territoriale Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milan, Italy
| | - Francesco Luceri
- Orthopedic and Traumatology Department, Clinica Ortopedica, Azienda Socio Sanitaria Territoriale Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milan, Italy
| | - Pietro Simone Randelli
- Orthopedic and Traumatology Department, Clinica Ortopedica, Azienda Socio Sanitaria Territoriale Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milan, Italy; Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università Degli Studi Di Milano, Milan, Italy; Research Center for Adult and Pediatric Rheumatic Diseases (RECAP-RD), Department of Biomedical Sciences for Health, Università Degli Studi Di Milano, Milan, Italy
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Cocco G, Ricci V, Corvino A, Abate M, Vaccaro A, Bernabei C, Cantisani V, Vallone G, Caiazzo C, Caulo M, Pizzi AD. Musculoskeletal disorders in padel: from biomechanics to sonography. J Ultrasound 2024; 27:335-354. [PMID: 38578364 PMCID: PMC11178742 DOI: 10.1007/s40477-023-00869-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 04/06/2024] Open
Abstract
Padel is a racket sport, combining high-frequency and low-intensity athletic gestures, that has been gaining growing scientific interest in recent years. Musculoskeletal injuries are very common among padel players with an incidence rate of 3 per 1000 h of training and 8 per 1000 matches. To the best of our knowledge, a comprehensive collection describing the most common sonographic findings in padel players with musculoskeletal injuries is lacking in the pertinent literature. In this sense, starting from the biomechanical features of padel-specific gestures we have reported the ultrasonographic patterns of most frequent injuries involving the upper limb, the trunk, and the lower limb. Indeed, comprehensive knowledge of the biomechanical and clinical features of musculoskeletal injuries in padel is paramount to accurately perform a detailed ultrasound examination of the affected anatomical site. So, the present investigation aims to provide a practical guide, simple and ready-to-use in daily practice, to optimize the sonographic assessment of padel players by combining it with the clinical findings and the biomechanical features of athletic gestures.
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Affiliation(s)
- Giulio Cocco
- Department of Neuroscience, Imaging and Clinical Sciences, "G. D'Annunzio" University, 6610, Chieti, Italy
- Unit of Ultrasound in Internal Medicine, Department of Medicine and Aging Sciences, University "G. D'Annunzio", Chieti, Italy
| | - Vincenzo Ricci
- Physical and Rehabilitation Medicine Unit, Luigi Sacco University Hospital, ASST Fatebenefratelli-Sacco, 20157, Milan, Italy
| | - Antonio Corvino
- Medical, Movement and Wellbeing Sciences Department, University of Naples "Parthenope", Via Medina 40, 80133, Naples, Italy.
| | - Michele Abate
- IRCSS Ospedale San Raffaele, Via Olgettina 60, 20132, Milan, Italy
| | - Adele Vaccaro
- Department of Radiology, SS. Annunziata Hospital of Chieti, University "G. D'Annunzio", Chieti, Italy
| | - Carlotta Bernabei
- Department of Radiology, SS. Annunziata Hospital of Chieti, University "G. D'Annunzio", Chieti, Italy
| | - Vito Cantisani
- Department of Radiology, Oncology, Sapienza-University of Rome, Anatomo-Pathology, Rome, Italy
| | - Gianfranco Vallone
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, 86100, Campobasso, Italy
| | - Corrado Caiazzo
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, 86100, Campobasso, Italy
| | - Massimo Caulo
- Department of Neuroscience, Imaging and Clinical Sciences, "G. D'Annunzio" University, 6610, Chieti, Italy
| | - Andrea Delli Pizzi
- Department of Innovative Technologies in Medicine and Dentistry, University "G. D'Annunzio", Chieti, Italy
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Hanson ZC, Stults WP, Lourie GM. Failed surgical treatment for lateral epicondylitis: literature review and treatment considerations for successful outcomes. JSES REVIEWS, REPORTS, AND TECHNIQUES 2024; 4:33-40. [PMID: 38323205 PMCID: PMC10840577 DOI: 10.1016/j.xrrt.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Background Lateral epicondylitis is a common cause of elbow pain in the general population. It is recognized as a degenerative tendinopathy of the common extensor origin believed to be multifactorial, involving elements of repetitive microtrauma associated with certain physiologic and anatomic risk factors. Methods Initial treatment typically involves a combination of conservative treatment measures, with up to 90% success at 12-18 months. Surgical treatment is reserved for recalcitrant disease; traditionally involving open surgical débridement of the common extensor origin with reported success rates greater than 90%. Results Failure of surgical treatment can be multifactorial and present a challenge in determining the optimum management. Residual symptoms may be due to an incorrect initial diagnosis, inadequate surgical débridement, new pathology as a complication of the initial surgery and/or other patient-related and physician- related factors. Even more of a challenge is the possibility that etiology can be due to a combination of listed factors. Discussion In this review, we review the classification scheme for evaluating failed surgical treatment of LE first proposed by Morrey and expand on this classification system based on the senior author's experience. We present the senior author's preferred systematic approach to evaluation and management of these patients, as well as a salvage surgery technique used by the senior author to address the most common etiologies of surgical failure in these patients.
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Affiliation(s)
- Zachary C. Hanson
- Dept. of Orthopedic Surgery, Wellstar Atlanta Medical Center, Atlanta, GA, USA
| | - William P. Stults
- Dept. of Orthopedic Surgery, Wellstar Atlanta Medical Center, Atlanta, GA, USA
| | - Gary M. Lourie
- Dept. of Orthopedic Surgery, Wellstar Atlanta Medical Center, Atlanta, GA, USA
- The Hand & Upper Extremity Center of Georgia, Atlanta, GA, USA
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Longo UG, Papalia R, De Salvatore S, Piccioni V, Tancioni A, Piergentili I, Denaro V. Have Elbow Arthroscopy Hospitalizations Decreased over the Years? An Epidemiological Italian Study from 2001 to 2016. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3638. [PMID: 36834331 PMCID: PMC9959056 DOI: 10.3390/ijerph20043638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 02/11/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
This study describes the trends of elbow arthroscopy in Italy and other countries in order to evaluate the yearly rates of EA. Its purpose is for future epidemiological studies to be able to compare their data between countries in order to understand the reasons for the increasing and decreasing trends. Data for this study were obtained from National Hospital Discharge records (SDO) at the Italian Ministry of Health (INHS). Data regarding sex, age, region of residence, region of surgery, length of hospitalization, and procedure codes were included. In total, 2414 elbow arthroscopies were performed in Italy from 2001 to 2016 in the adult population. The highest number of procedures was found in the 40-44 and 45-49 years age groups. Males represented the majority of patients undergoing EA both in total and over the years. An increase from 2001 to 2010 and a decrease from 2010 to 2016 were reported in the present analysis. According to other studies, males of 40-44 and 45-49 years age groups represent the most treated patients. Further epidemiological studies would provide data that could be compared between countries, reaching a general consensus on the best indications for this procedure.
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Affiliation(s)
- Umile Giuseppe Longo
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Rocco Papalia
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Sergio De Salvatore
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Valentina Piccioni
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Alessandro Tancioni
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Ilaria Piergentili
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 00128 Roma, Italy
| | - Vincenzo Denaro
- Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 00128 Roma, Italy
- Research Unit of Orthopaedic and Trauma Surgery, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
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Di Filippo L, Vincenzi S, Pennella D, Maselli F. Treatment, Diagnostic Criteria and Variability of Terminology for Lateral Elbow Pain: Findings from an Overview of Systematic Reviews. Healthcare (Basel) 2022; 10:1095. [PMID: 35742152 PMCID: PMC9222841 DOI: 10.3390/healthcare10061095] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/27/2022] [Accepted: 06/09/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Lateral elbow pain (LEP) represents a musculoskeletal disorder affecting the epicondyloid region of the elbow. The terminological framework of this problem in literature, to date, is confusing. This systematic review (SR) aims to analyse the panorama of the scientific literature concerning the pathogenetic framework, treatment, and clinical diagnosis of LEP. Methods: We conducted an SR according to the guidelines of the PRISMA statement. We performed research using the electronic Medline, Epistemonikos, and Cochrane Library databases. The research started on 12 January 2022 and finished on 30 April 2022. We included all systematic reviews and meta-analyses published, in English, between 1989 and 2022. The articles’ selection was based on critical appraisal using Amstar 2. In the selected reviews we obtained the etiopathogenic terminology used to describe the symptoms, treatment, and diagnostic criteria of LEP. Results: Twenty-five SRs met the eligibility criteria and were included in the study. From these SRs, 227 RCT articles were analysed and different treatments proposals were extracted, such as exercise, manipulation corticosteroid injection, and surgery. In the selected articles, 10 different terms emerged to describe LEP and 12 different clinical tests. The most common treatments detected in this SR were a conservative multimodal approach (e.g., eccentric exercises, manual therapy, acupuncture, ultrasound), then surgery or other invasive treatments (e.g., corticosteroid injection, tenotomy). The most common term detected in this SR was “lateral epicondylitis” (n = 95, 51.6%), followed by “tennis elbow” (n = 51, 28.1%) and “lateral epicondylalgia” (n = 18, 9.4%). Among the diagnostic tests were painful palpation (n = 101, 46.8%), the Cozen test (n = 91, 42.1%), the pain-free grip-strength test (n = 41, 19.0%), and the Maudsley test (n = 48, 22.2%). A total of 43.1% of RCTs (n = 96) included subjects with LEP > 3 months, 40.2% (n = 85) included patients with LEP < 3 months, and 16.7% of the items (n = 35) were not specified by the inclusion criteria on the onset of symptoms. Conclusions: In this SR, a considerable terminological heterogeneity emerged in the description of LEP, associated with the lack of clear and recognised diagnostic criteria in evaluating and treating patients with lateral elbow pain.
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Affiliation(s)
- Luigi Di Filippo
- Medicine Department, University of Rome “Tor Vergata”, 00133 Rome, Italy; (L.D.F.); (S.V.); (D.P.)
- FisioAnalysis Mædica, 15121 Alessandria, Italy
- Department Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Simone Vincenzi
- Medicine Department, University of Rome “Tor Vergata”, 00133 Rome, Italy; (L.D.F.); (S.V.); (D.P.)
- Department Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy
- Centro Moove, 47042 Cesenatico, Italy
| | - Denis Pennella
- Medicine Department, University of Rome “Tor Vergata”, 00133 Rome, Italy; (L.D.F.); (S.V.); (D.P.)
- Department Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy
- Manual Therapy Lab Clinic, 70123 Bari, Italy
- Department of Medicine and Health Science “Vincenzo Tiberio”, University of Molise, 86100 Campobasso, Italy
| | - Filippo Maselli
- Department Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy
- Manual Therapy Lab Clinic, 70123 Bari, Italy
- Department of Medicine and Health Science “Vincenzo Tiberio”, University of Molise, 86100 Campobasso, Italy
- Sovrintendenza Sanitaria Regionale Puglia INAIL, 70126 Bari, Italy
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Arrigoni P, Cucchi D, Luceri F, Zagarella A, Catapano M, Menon A, Bruno V, Gallazzi M, Randelli PS. Ultrasound evaluation shows increase in laxity after partial common extensor origin detachment but not after additional lesion of the radial band of the lateral collateral ligament. Knee Surg Sports Traumatol Arthrosc 2021; 29:4067-4074. [PMID: 34455451 PMCID: PMC8595151 DOI: 10.1007/s00167-021-06711-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 08/16/2021] [Indexed: 12/03/2022]
Abstract
PURPOSE The lateral elbow musculature conveys a dynamic valgus moment to the elbow, increasing joint stability. Muscular or tendinous lesions to the anterior half of the common extensor origin (CEO) may provoke a deficiency in the elbow dynamic stabilizers, regardless of their traumatic, degenerative, or iatrogenic aetiology. Furthermore, a role for the radial band of the lateral collateral ligament (R-LCL) has been postulated in the aetiology of lateral elbow pain. This study aimed to evaluate the effects of sequential lateral releases with dynamic ultrasound, evaluating its capability to detect lesions of the CEO and of the R-LCL. METHODS Ultrasound investigation of the lateral compartment of the elbow was performed on nine cadaveric specimens with a 10 MHz linear probe in basal conditions, after the release of the anterior half of the CEO and after complete R-LCL release. The lateral joint line widening (λ) was the primary outcome parameter, measured as the linear distance between the humeral and radial articular surfaces. RESULTS The release of the anterior half of the CEO significantly increased λ by 200% compared to the starting position (p = 0.0008) and the previously loaded position (p = 0.0015). Conversely, further release of the R-LCL caused only a marginal, non-significant increase in λ. CONCLUSIONS Ultrasound evaluation can detect changes related to tendon tears or muscular avulsions of the CEO and can depict lateral elbow compartmental patholaxity by assessing articular space widening while scanning under dynamic stress. However, it cannot reliably define if the R-LCL is injured. Iatrogenic damage to the CEO should be carefully avoided, since it causes a massive increase in compartmental laxity.
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Affiliation(s)
- Paolo Arrigoni
- U.O.C. 1° Clinica Ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy ,Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milan, Italy
| | - Davide Cucchi
- Department of Orthopaedics and Trauma Surgery, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Germany.
| | - Francesco Luceri
- U.O.C. 1° Clinica Ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy
| | - Andrea Zagarella
- U.O.C. Radiodiagnostica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy
| | - Michele Catapano
- U.O.C. Radiodiagnostica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy
| | - Alessandra Menon
- U.O.C. 1° Clinica Ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy ,Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milan, Italy
| | - Valentina Bruno
- Istituto Clinico San Siro, Via Monreale, 18, 20148 Milan, Italy
| | - Mauro Gallazzi
- U.O.C. Radiodiagnostica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy
| | - Pietro Simone Randelli
- U.O.C. 1° Clinica Ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122 Milan, Italy ,Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milan, Italy ,Department of Biomedical Sciences for Health, Research Center for Adult and Pediatric Rheumatic Diseases (RECAP-RD), Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milan, Italy
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