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F T Spindler Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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V Herterich Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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B M Holzapfel Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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W Böcker Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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H Polzer Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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S F Baumbach Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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respective syndesmotic ligament. For the IOM, at least the distal 5 cm must have been ruptured completely. Intervention External rotation stress test under fluoroscopy conducted in a defined state of syndesmotic instability as outlined above. Any

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Fabian Tobias Spindler Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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Wolfgang Böcker Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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Hans Polzer Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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Sebastian Felix Baumbach Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Munich, Germany

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, anterior–inferior tibiofibular ligament; ERST, external rotation stress test; IOL, interosseous ligament; neg., negative; PiTFL, posterior–inferior tibiofibular ligament; pos., positive; RX, x-ray. Indication for surgery and stabilization The

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Simon Donell Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, UK

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(Smith & Nephew, Memphis, TN, USA) TKA. They had two test conditions: the standard 3° external rotation, and ± 5° from this. They emphasized that the kinematics of both compartments were different from normal. In the tibiofemoral joint the screw

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Riccardo D’Ambrosi IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

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Nicola Ursino IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

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Carmelo Messina IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milano, Italy

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Federico Della Rocca Istituto Clinico Humanitas, Rozzano, Italy

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Michael Tobias Hirschmann Department of Orthopaedic Surgery and Traumatology Kantonsspital Baselland (Bruderholz, Liestal, Laufen) Switzerland

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test characteristics and diagnostic accuracy of three physical examination manoeuvres in the detection of hip microinstability, including the abduction–hyperextension–external rotation (AB-HEER) test, the prone instability test and the hyperextension–external

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Riccardo D’Ambrosi IRCCS Orthopedic Institute Galeazzi, Milan, Italy

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Katia Corona Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, Campobasso, Italy

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Germano Guerra Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, Campobasso, Italy

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Simone Cerciello Department of Orthopaedics, A. Gemelli University Hospital Foundation IRCCS, Catholic University, Rome, Italy
Casa di Cura Villa Betania, Rome, Italy
Marrelli Hospital, Crotone, Italy

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Chiara Ursino IRCCS Policlinico San Martino, Genova, Italy

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Nicola Ursino IRCCS Orthopedic Institute Galeazzi, Milan, Italy

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Michael Hantes Department of Orthopaedic Surgery, Faculty of Medicine, University of Thessalia, University Hospital of Larissa, Larissa, Greece

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suspected ACL injuries and to assess the amount of rotational stability, an anteromedial drawer test can be performed with the knee in 80–90° of flexion and the foot externally rotated 10–15°, applying a coupled anterior and external rotatory force to the

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Francisco Figueroa Clinica Alemana-Universidad del Desarrollo, Santiago, Chile
Hospital Sotero del Rio, Santiago, Chile

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David Figueroa Clinica Alemana-Universidad del Desarrollo, Santiago, Chile

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Sven Putnis Southmead Hospital, Bristol, UK

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Rodrigo Guiloff Clinica Alemana-Universidad del Desarrollo, Santiago, Chile
Hospital Sotero del Rio, Santiago, Chile

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Patricio Caro Clinica Alemana-Universidad del Desarrollo, Santiago, Chile

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João Espregueira-Mendes Clínica do Dragão, Espregueira-Mendes Sports Centre – FIFA Medical Centre of Excellence, Portugal
Orthopaedics Department of Minho University, Portugal

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observed in the varus stress test at 30° of knee flexion along with an increase in tibial external rotation. Type C injuries involve the entire PLC and probable associated injuries (central pivot injuries). Marked varus instability is seen in type C

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Vasileios Lampridis Frimley Park Hospital, UK

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Nikolaos Gougoulias Frimley Park Hospital, UK

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Anthony Sakellariou Frimley Park Hospital, UK

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rotation type ankle fractures? J Orthop Trauma 2007 ; 21 : 244 – 247 . 11. Egol KA Amirtharajah M Tejwani NC Capla EL Koval KJ . Ankle stress test for predicting the need for surgical fixation of

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May Fong Mak Center for Surgery of the Foot & Ankle, Hirslanden Clinique La Colline, Switzerland; Department of Orthopaedics, Waikato Hospital, New Zealand

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Richard Stern Center for Surgery of the Foot & Ankle, Hirslanden Clinique La Colline, Switzerland

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Mathieu Assal Center for Surgery of the Foot & Ankle, Hirslanden Clinique La Colline, Switzerland

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. One study where the anatomical approach was used to fix supination external rotation type IV ankle fractures demonstrated a significant decrease in syndesmosis malreduction rate from 33.3% to 7.4% compared with trans-syndesmotic fixation. 22

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Filippo Familiari Department of Orthopaedic and Traumatology, Villa del Sole Clinic, Catanzaro, Italy

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Gazi Huri Department of Orthopaedic and Traumatology, Hacettepe University, Ankara, Turkey

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Roberto Simonetta Cure Ortopediche Traumatologiche Messina, Italy

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Edward G. McFarland Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, MD, USA

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elbow flexion; 36 and resisted supination-external rotation. 37 However, none of these tests has been found to be highly accurate for diagnosis of SLAP tears ( Table 1 ). Recently, Sodha et al 19 evaluated the clinical utility of the

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Diana Cabral Teixeira Faculty of Medicine, University of Porto, Porto, Portugal
These authors contributed equally to the article and should all be considered first authors

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Luís Alves Orthopaedic and Traumatology Department, São João Hospital Center, Porto, Portugal
These authors contributed equally to the article and should all be considered first authors

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Manuel Gutierres Orthopaedic and Traumatology Department, São João Hospital Center, Porto, Portugal
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thorax) during arm elevation is upward rotation, posterior tilting, and external rotation. 5 The coordination of shoulder joints depends on the pattern of muscular activation. The scapula must be dynamically stabilized in a retracted position during

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