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  1. The menisci represent indispensable intraarticular components of a well-functioning knee joint. Sports activities, traumatic incidents, or simply degenerative conditions can cause meniscal injuries, which ofte...

    Authors: Philipp W. Winkler, Benjamin B. Rothrauff, Rafael A. Buerba, Neha Shah, Stefano Zaffagnini, Peter Alexander and Volker Musahl

    Citation: Journal of Experimental Orthopaedics 2020 7:55

    Content type: Review Paper

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  2. Ankle sprain injury rate is reported to be higher towards the end of a football match. Muscle fatigue may contribute to the delayed muscle reaction and subsequent injury. This study investigated the ankle musc...

    Authors: Daniel T. P. Fong, Wing-Ching Leung, Kam-Ming Mok and Patrick S. H. Yung

    Citation: Journal of Experimental Orthopaedics 2020 7:54

    Content type: Original Paper

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  3. Despite the evidence on the role of gravity stress test to access the instability of other ankle injuries, there is limited literature regarding gravity stress on the lateral ankle ligament’s insufficiency. Th...

    Authors: F. Guerra-Pinto, J. Cunha, L. Sousa, T. M. Gomes, R. Andrade, X. M. Oliva, J. G. Consciência and P. R. Fernandes

    Citation: Journal of Experimental Orthopaedics 2020 7:53

    Content type: Original Paper

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  4. To provide evidence-based recommendations for patients with severe knee osteoarthritis (OA), who had their knee surgery postponed due to the COVID-19 pandemic.

    Authors: Theofilos Karasavvidis, Michael T. Hirschmann, Nanne P. Kort, Ioannis Terzidis and Trifon Totlis

    Citation: Journal of Experimental Orthopaedics 2020 7:52

    Content type: Review Paper

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  5. Dual-mobility (DM) cups are increasingly used in total hip arthroplasty (THA) but there lacks literature on their long-term results. We aimed to investigate outcomes of a fourth-generation cementless DM acetab...

    Authors: Julien Chouteau, Jean-Charles Rollier, Michel P. Bonnin, Mo Saffarini, Luca Nover, Jean-Christophe Chatelet and Laurent Jacquot

    Citation: Journal of Experimental Orthopaedics 2020 7:51

    Content type: Original Paper

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  6. The aim of our cadaveric study was to compare the mechanical properties of different parts of the quadriceps’ tendon in a load to failure analysis as compared to three other, and most common types of grafts th...

    Authors: Matthieu Chivot, Charles Pioger, Jérémy Cognault, Akash Sharma, Regis Pailhé, Etienne Cavaignac, Matthieu Ollivier and Christophe Jacquet

    Citation: Journal of Experimental Orthopaedics 2020 7:50

    Content type: Original Paper

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  7. Although platelet-rich plasma (PRP) therapy has become an increasingly popular treatment for sports-related injuries, the molecular mechanisms of PRP on tissue healing process remain poorly understood. The aim...

    Authors: Yohei Kobayashi, Yoshitomo Saita, Tomoiku Takaku, Tomomasa Yokomizo, Hirofumi Nishio, Hiroshi Ikeda, Yuji Takazawa, Masashi Nagao, Kazuo Kaneko and Norio Komatsu

    Citation: Journal of Experimental Orthopaedics 2020 7:49

    Content type: Original Paper

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  8. Upon anterior cruciate ligament (ACL) rupture, reconstruction is often required, with the hamstring tendon autograft as most widely used treatment. Post-operative autograft remodeling enhances graft rupture ri...

    Authors: Marc van Vijven, Bart van Groningen, Joyce N. Kimenai, Maria C. van der Steen, Marina van Doeselaar, Rob P. A. Janssen, Keita Ito and Jasper Foolen

    Citation: Journal of Experimental Orthopaedics 2020 7:48

    Content type: Original Paper

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  9. Alteration of the postoperative frontal mechanical leg axis is a known problem in femoral rotational osteotomies. However, the maintenance of the sagittal mechanical leg axis seems also important. Goal of this...

    Authors: Lukas Jud, Octavian Andronic, Lazaros Vlachopoulos, Sandro F. Fucentese and Patrick O. Zingg

    Citation: Journal of Experimental Orthopaedics 2020 7:46

    Content type: Original Paper

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  10. To evaluate if High-volume Image-guided Injection (HVIGI)-treatment for chronic mid-portion Achilles tendinopathy (AT) improve function and reduce pain at 12-months follow-up.

    Authors: Torsten Grønbech Nielsen, Lene Lindberg Miller, Bjarne Mygind-Klavsen and Martin Lind

    Citation: Journal of Experimental Orthopaedics 2020 7:45

    Content type: Original Paper

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  11. The aim was to investigate the rate of athletes still active at their pre-injury sports level two years after arthroscopic treatment for femoroacetabular impingement syndrome (FAIS), and examine this between d...

    Authors: Josefin Abrahamson, Ida Lindman, Mikael Sansone, Axel Öhlin, Pall Jonasson, Jón Karlsson and Adad Baranto

    Citation: Journal of Experimental Orthopaedics 2020 7:44

    Content type: Original Paper

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  12. To determine the most reliable reference axis for the femoral component rotation in TKA patients by comparing the trochlear anterior line (TAL) and the femoral anterior tangent line (FAT). To evaluate the vari...

    Authors: Ji-Hoon Nam, Yong-Gon Koh, Paul Shinil Kim, Kiwon Kang and Kyoung-Tak Kang

    Citation: Journal of Experimental Orthopaedics 2020 7:43

    Content type: Original Paper

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  13. Patient-specific instrumentation (PSI) may potentially improve unicompartmental knee arthroplasty (UKA) implant positioning and alignment. The purpose of this study was to compare early radiographic coronal al...

    Authors: Houssam Kalache, Jacobus H. Müller, Mo Saffarini and Evrard Gancel

    Citation: Journal of Experimental Orthopaedics 2020 7:42

    Content type: Research Paper

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  14. Implant surface integrity and cement bonding are assumed to be sufficient in primary total knee replacements to stabilize implants for extended wear without concerns over delamination and loosening. Yet there ...

    Authors: David Lionberger, Laura Wattenbarger, Christopher Conlon and Timothy J. Walker

    Citation: Journal of Experimental Orthopaedics 2020 7:41

    Content type: Research

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  15. Intraarticular (IA) hyaluronic acid (HA) injection is used to reduce pain and improve mobility in knee osteoarthritis (OA). Little is known about histopathological changes underlying HA efficacy. This study in...

    Authors: John Lokhnauth, Kevin E. Driscoll, Alison Bendele, Faizan Niazi, Alfred Liang and Crilles C. Larsen

    Citation: Journal of Experimental Orthopaedics 2020 7:39

    Content type: Research Paper

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  16. The aim of this study was to compare the biomechanics of a four-strand hamstring graft with a tripled semitendinosus graft, with and without adjustable extra-cortical button fixation, in a cadaveric model.

    Authors: Frans J. A. Hagemans, Karlijn L. J. van Overvest, Jacco A. C. Zijl and Duncan E. Meuffels

    Citation: Journal of Experimental Orthopaedics 2020 7:37

    Content type: Research

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  17. Selection of a meniscus allograft with a similar three-dimensional (3D) size is essential for good clinical results in meniscus allograft surgery. Direct meniscus sizing by MRI scan is not possible in total me...

    Authors: Silvan Beeler, Lazaros Vlachopoulos, Lukas Jud, Reto Sutter, Tobias Götschi, Philipp Fürnstahl and Sandro F. Fucentese

    Citation: Journal of Experimental Orthopaedics 2020 7:36

    Content type: Research

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  18. The current coronavirus disease 2019 (COVID-19) pandemic has revolutionized global healthcare in an unprecedented way and with unimaginable repercussions. Resource reallocation, socioeconomic confinement and r...

    Authors: Luca Ambrosio, Gianluca Vadalà, Fabrizio Russo, Rocco Papalia and Vincenzo Denaro

    Citation: Journal of Experimental Orthopaedics 2020 7:35

    Content type: Review Paper

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  19. An amendment to this paper has been published and can be accessed via the original article.

    Authors: Ricardo de Paula Leite Cury, Artur Mistieri Simabukuro, Victor de Marques Oliveira, Diego Escudeiro, Pedro Baches Jorge, Fabrício Roberto Severino and Luiz Gabriel Betoni Guglielmetti

    Citation: Journal of Experimental Orthopaedics 2020 7:33

    Content type: Correction

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    The original article was published in Journal of Experimental Orthopaedics 2020 7:11

  20. It has been reported that there is no correlation between anterior tibia translation (ATT) in passive and dynamic situations. Passive ATT (ATTp) may be different to dynamic ATT (ATTd) due to muscle activation ...

    Authors: Michèle N. J. Keizer, Juha M. Hijmans, Alli Gokeler, Anne Benjaminse and Egbert Otten

    Citation: Journal of Experimental Orthopaedics 2020 7:32

    Content type: Research

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  21. To evaluate the intra and interobserver reproducibility of a new system that assesses the three-dimensional humero-scapulo-thoracic kinematics using wearable technology in an outpatient setting. To obtain norm...

    Authors: Miguel Angel Ruiz Ibán, Andrea Paniagua Gonzalez, Marco Muraccini, Cristina Asenjo Gismero, Alessandro Varini, Antonella Berardi and Matteo Mantovani

    Citation: Journal of Experimental Orthopaedics 2020 7:31

    Content type: Research

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  22. Antibacterial iodine-supported titanium has an anodized oxide layer; thus, it can be expected to have a higher osteoconductivity than untreated titanium. This study aimed to compare the osteoconductivity betwe...

    Authors: Takashi Ota, Satoru Demura, Satoshi Kato, Katsuhito Yoshioka, Hiroyuki Hayashi, Kei Inoue, Kazuya Shinmura, Noriaki Yokogawa, Toshiharu Shirai, Hideki Murakami and Hiroyuki Tsuchiya

    Citation: Journal of Experimental Orthopaedics 2020 7:29

    Content type: Research

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  23. The roadmap to elective surgery resumption after this COVID-19 pandemic should be progressive and cautious. The aim of this paper was to give recommendations and guidelines for resuming elective orthopedic sur...

    Authors: Caroline Mouton, Michael T. Hirschmann, Matthieu Ollivier, Romain Seil and Jacques Menetrey

    Citation: Journal of Experimental Orthopaedics 2020 7:28

    Content type: Review

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  24. To compare loop elongation after 5000 cycles, loop-elongation at failure, and load at failure of the fixed-loop G-Lok device and three adjustable-loop devices (UltraButton, RigidLoop Adjustable and ProCinch RT...

    Authors: Sarvpreet Singh, Sonia Ramos-Pascual, Kinga Czerbak, Muzaffar Malik, Peter J. Schranz, Anthony W. Miles and Vipul Mandalia

    Citation: Journal of Experimental Orthopaedics 2020 7:27

    Content type: Research

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  25. To gain knowledge of the repair tissue in critically sized cartilage defects using bone marrow stimulation combined with CARGEL Bioscaffold (CB) compared with bone marrow stimulation (BMS) alone in a validated...

    Authors: K. Hede, B. B. Christensen, M. L. Olesen, J. S. Thomsen, C. B. Foldager and M. C. Lind

    Citation: Journal of Experimental Orthopaedics 2020 7:26

    Content type: Research

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  26. The visualization of potentially injured anatomical structures is crucial. Lately the anterolateral ligament (ALL) and the deep structures of the iliotibial tract (ITT) have been of increased clinical interest...

    Authors: Michael Liebensteiner, Armin Runer, Christof Kranewitter, Philipp Nachtigal, Johannes Giesinger, Dietmar Dammerer and Benjamin Henninger

    Citation: Journal of Experimental Orthopaedics 2020 7:25

    Content type: Research

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  27. Although metaphyseal sleeves are usually used with stems, little is known about the exact contribution/need of the stem for the initial sleeve-bone interface stability, particularly in the femur, if the intram...

    Authors: F. Fonseca, A. Sousa and A. Completo

    Citation: Journal of Experimental Orthopaedics 2020 7:24

    Content type: Research

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  28. A considerable proportion of patients (19%) are dissatisfied after total knee arthroplasty (TKA). Possible factors contributing to this dissatisfaction are decreased posterior condylar offset (PCO) with subseq...

    Authors: W. A. M. van Lieshout, K. L. M. Koenraadt, L. H. G. J. Elmans and R. C. I. van Geenen

    Citation: Journal of Experimental Orthopaedics 2020 7:23

    Content type: Research

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  29. The aim of this study was to determine the inter- and intra-observer reliability of knee laxity assessment using a non-invasive navigation system in a population of healthy young athletes. It was hypothesized ...

    Authors: Edoardo Monaco, Giorgio Bruni, Sara Lo Torto, Alessandro Carrozzo, Matthew Daggett, Alessandro Annibaldi, Adnan Saithna and Andrea Ferretti

    Citation: Journal of Experimental Orthopaedics 2020 7:22

    Content type: Research

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  30. Partial meniscectomy can cause osteoarthritic changes in knees, as inner portion as well as peripheral portion of meniscus is important. The hypothesis of this study was that the amount of the inner resection ...

    Authors: Takehito Hirose, Tatsuo Mae, Yuta Tachibana, Tomoki Ohori, Hiromichi Fujie, Hideki Yoshikawa and Ken Nakata

    Citation: Journal of Experimental Orthopaedics 2020 7:21

    Content type: Research

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  31. To describe a series of impingement lesions found on the anterior aspect of the medial femoral condyle in international cricketers.

    Authors: Michael J. Reid, Avinash Alva, Simon M. Thompson, Ranju T. Dhawan, Mary H. Jones and Andy M. Williams

    Citation: Journal of Experimental Orthopaedics 2020 7:20

    Content type: Research

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  32. The gracilis tendon (GT) is a commonly used autologous graft in Orthopaedic surgery. The majority of information on knee function and outcomes after hamstring harvest is related to both semitendinosus and GT h...

    Authors: Anne Flies, Timm Denecke, Natascha Kraus, Philipp Kruppa, Matthew T. Provencher, Roland Becker and Sebastian Kopf

    Citation: Journal of Experimental Orthopaedics 2020 7:19

    Content type: Research

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  33. Disruption of the syndesmosis, the anterior-inferior tibiofibular ligament (AITFL), the posterior-inferior tibiofibular ligament (PITFL), and the interosseous membrane (IOM), leads to residual symptoms after a...

    Authors: Neel K. Patel, Conor I. Murphy, Thomas R. Pfeiffer, Jan-Hendrik Naendrup, Jason P. Zlotnicki, Richard E. Debski, MaCalus V. Hogan and Volker Musahl

    Citation: Journal of Experimental Orthopaedics 2020 7:18

    Content type: Research

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  34. Suspensory cortical buttons are widely used for fixation of reconstructed ligaments during anterior cruciate ligament (ACL) reconstruction because they have high usability and a favorable fixing force. However...

    Authors: Toshiaki Takahashi and Manabu Takahashi

    Citation: Journal of Experimental Orthopaedics 2020 7:17

    Content type: Research

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  35. Soft-tissue sarcomas (STS) are rare in hand and foot. In this paper we present a case of reconstruction of Achilles tendon defect with peroneus brevis transfer reinforced with medial gastrocnemius fascia and p...

    Authors: Federica Mariotti, Silvio Caravelli, Massimiliano Mosca, Simone Massimi, Roberto Casadei and Stefano Zaffagnini

    Citation: Journal of Experimental Orthopaedics 2020 7:16

    Content type: Short report

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  36. To assess the anthropometric dimensions of the coracoid process and the glenoid articular surface and to determine possible implications with the different commercially available Latarjet fixation techniques.

    Authors: Achilleas Boutsiadis, Ioannis Bampis, John Swan and Johannes Barth

    Citation: Journal of Experimental Orthopaedics 2020 7:15

    Content type: Research

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  37. PurposeThere have been few reports on medial tibial plateau osteonecrosis, and treatment options remain controversial. This study aimed to evaluate the clinical outcomes of open-wedge high tibial osteotomy (OW...

    Authors: Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Kenji Fujita and Yuki Yamamuro

    Citation: Journal of Experimental Orthopaedics 2020 7:14

    Content type: Research

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  38. The objective of the present study was to acquire and compare by the use of a navigation system the intra-operative flexion-extension movement of the knee performed actively by the patient and passively by the...

    Authors: Alberto Grassi, Nicola Pizza, Nicola Francesco Lopomo, Maurilio Marcacci, Michele Capozzi, Giulio Maria Marcheggiani Muccioli, Francesca Colle and Stefano Zaffagnini

    Citation: Journal of Experimental Orthopaedics 2020 7:12

    Content type: Research

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  39. The aim of the study is to compare the risk of revision of single-bundle hamstring anterior cruciate ligament (ACL) reconstruction between the anteromedial, transtibial and outside-in techniques.

    Authors: Ricardo de Paula Leite Cury, Artur Mistieri Simabukuro, Victor de Marques Oliveira, Diego Escudeiro, Pedro Baches Jorge, Fabrício Roberto Severino and Luiz Gabriel Betoni Guglielmetti

    Citation: Journal of Experimental Orthopaedics 2020 7:11

    Content type: Research

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    The Correction to this article has been published in Journal of Experimental Orthopaedics 2020 7:33

  40. Chondrocyte -based tissue engineering has been a promising option for the treatment of cartilage lesions. In previous literature, TD198946 has been shown to promote chondrogenic differentiation which could pro...

    Authors: Shuichi Hamamoto, Ryota Chijimatsu, Kazunori Shimomura, Masato Kobayashi, George Jacob, Fumiko Yano, Taku Saito, Ung-il Chung, Sakae Tanaka and Norimasa Nakamura

    Citation: Journal of Experimental Orthopaedics 2020 7:10

    Content type: Research

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  41. The purpose of this study was to assess the effect on femoral torsion by rotational osteotomies at three different levels as measured in 3D using both the mechanical and the anatomic axes.

    Authors: Eric W. Edmonds, Corey B. Fuller, Megan E. Jeffords, Christine L. Farnsworth, Amelia M. Lindgren, Andrew T. Pennock and Vidyadhar V. Upasani

    Citation: Journal of Experimental Orthopaedics 2020 7:9

    Content type: Research

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  42. The objective of this retrospective non-randomized study was to evaluate the portal of Neviaser (PN) as an alternative approach in antegrade humeral nailing.

    Authors: Torsten Gerich, Caroline Mouton, Lea Jabbarian, Jean-Paul Weydert, Alexander Hoffmann, Dietrich Pape and Romain Seil

    Citation: Journal of Experimental Orthopaedics 2020 7:8

    Content type: Research

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  43. High tibial osteotomy (HTO) is an effective treatment option in early osteoarthritis. However, preoperative planning and surgical execution can be challenging. Computer assisted three-dimensional (3D) planning...

    Authors: Sandro F. Fucentese, Patrick Meier, Lukas Jud, Gian-Luca Köchli, Alexander Aichmair, Lazaros Vlachopoulos and Philipp Fürnstahl

    Citation: Journal of Experimental Orthopaedics 2020 7:7

    Content type: Research

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  44. The first aim was to report the sensitivity of calculated tibiofemoral movements for the choice of placement of the set of femoral markers. The second aim was to report the influence of accuracy of the motion ...

    Authors: Michèle N. J. Keizer and Egbert Otten

    Citation: Journal of Experimental Orthopaedics 2020 7:6

    Content type: Research

    Published on: