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Carlos A. Encinas-Ullán Department of Orthopaedic Surgery, ‘La Paz’ University Hospital-IdiPaz, Spain

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E. Carlos Rodríguez-Merchán Department of Orthopaedic Surgery, ‘La Paz’ University Hospital-IdiPaz, Spain

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, even for individuals with high physical demands. However, surgical treatment is necessary in cases of severe medial or multi-ligament injury to prevent chronic instability and posttraumatic arthritis. Epidemiology MCL is the most common knee

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N. Reha Tandogan Çankaya Orthopedics, Ankara, Turkey

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Asim Kayaalp Çankaya Orthopedics, Ankara, Turkey

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no clinical instability. Grade II injury: The medial structures are partially torn with some fibres still intact. The pain is more pronounced and there is valgus instability with a firm end-point. Grade III injury: The medial structures

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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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femur and distally to the tibia and posterior aspect of the joint capsule. 3 The main role of the POL is to control anteromedial rotatory instability (AMRI) and to provide static resistance to the valgus loads when the knee is fully extended

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E. Carlos Rodríguez-Merchán Department of Orthopedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain
Osteoarticular Surgery Research, Hospital La Paz Institute for Health Research – IdiPAZ (La Paz University Hospital – Autonomous University of Madrid), Madrid, Spain

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Hortensia De la Corte-Rodríguez Department of Physical and Rehabilitation Medicine, La Paz University Hospital, Madrid, Spain

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Carlos A. Encinas-Ullán Department of Orthopedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain

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Primitivo Gómez-Cardero Department of Orthopedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain

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, posterolateral drawer * Slocum’s test represents a modification of the anterior drawer test, which tests anteromedial rotary instability (AMRI) and anterolateral rotary instability (ALRI) of the knee. 4 Reconstruction of multiligament knee

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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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Introduction Injuries to the posterolateral corner (PLC) of the knee have long been recognized as a component of knee instability, but the incidence was initially presumed to be infrequent. An early large single-centre study of 735 knee

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Vicente Carlos da Silva Campos Hospital Curry Cabral, Lisboa, Portugal

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Francisco Guerra Pinto Hospital Ortopédico de Sant’Ana, Hospital Cruz Vermelha Portuguesa, Universidad de Barcelona, Nova Medical School, Lisboa, Portugal

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Diogo Constantino Hospital Curry Cabral, Lisboa, Portugal

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Renato Andrade Clínica Do Dragão, Espregueira-Mendes Sports Centre – FIFA Medical Centre of Excellence, Porto, Portugal
Porto Biomechanics Laboratory (LABIOMEP), Faculty of Sports, University of Porto, Porto, Portugal

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João Espregueira-Mendes Clínica Do Dragão, Espregueira-Mendes Sports Centre – FIFA Medical Centre of Excellence, Porto, Portugal
Dom Henrique Research Centre, Porto, Portugal
ICVS/3Bs, PT Government Associate Laboratory, Braga/Guimarães, Portugal
School of Medicine, Minho University, Braga, Portugal

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techniques. 17 – 22 The most frequent concerns in medial collateral release are the iatrogenic rupture of the MCL, saphenous nerve or vascular injury, residual instability and postoperative pain. 21 The prevalence of this surgical gesture has not

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Jimmy Wui Guan Ng Chesterfield Royal Hospital NHS Foundation Trust, Calow, Chesterfield, UK

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Yulanda Myint Chesterfield Royal Hospital NHS Foundation Trust, Calow, Chesterfield, UK

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Fazal M. Ali Chesterfield Royal Hospital NHS Foundation Trust, Calow, Chesterfield, UK

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ligament; PLC, posterolateral corner. The immediate management of these injuries is crucial in identifying and treating any vascular and nerve injury. The literature has shown poor outcome and residual instability in those who were treated non

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Ali-Asgar Najefi Foot & Ankle Unit, Royal National Orthopaedic Hospital, UK

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Luckshmana Jeyaseelan Foot & Ankle Unit, Royal National Orthopaedic Hospital, UK

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Matthew Welck Foot & Ankle Unit, Royal National Orthopaedic Hospital, UK

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swelling and restricted motion. Grade 3 : Complete ligamentous tear. Injuries are of complete disruption to the plantar structures with hallux flexion weakness and instability. This may occur with a dorsal dislocation. There may also be concomitant

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Joanna Baawa-Ameyaw Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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Ricci Plastow Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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Fahima Aarah Begum Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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Babar Kayani Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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Hyder Jeddy Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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Fares Haddad Department of Trauma and Orthopaedic Surgery, University College Hospital, London, UK
Department of Orthopaedic Surgery, The Princess Grace Hospital, London, UK

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the adolescent population. 1 – 4 Patients with ACL injuries may complain of instability on return to sporting activity, and delays in treatment may lead to increased risk of meniscal tears, chondral injuries and early knee arthritis. 1 , 5 – 7

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Francisco Figueroa Hospital Sótero del Río, Santiago, Chile
Clínica Alemana-Universidad del Desarrollo, Santiago, Chile

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David Figueroa Hospital Sótero del Río, Santiago, Chile

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Rafael Calvo Hospital Sótero del Río, Santiago, Chile

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Alex Vaisman Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
Hospital Padre Hurtado, Santiago, Chile

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João Espregueira-Mendes Clínica do Dragão, Espregueira-Mendes Sports Centre - FIFA Medical Centre of Excellence, Portugal; Dom Henrique Research Centre, Portugal
3Bs Research Group – Biomaterials, Biodegradables and Biomimetics, University of Minho, Portugal; ICVS/3Bs–PT Government Associate Laboratory, Portugal
Orthopaedics Department of Minho University, Portugal

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defects, instability or malalignment should be amenable to surgical correction. On the other hand, classical contraindications are: advanced osteoarthritis, obesity, skeletal immaturity, inflammatory arthritis, previous septic arthritis, and synovial

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