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  1. This study evaluated the regenerated cartilage after opening-wedge high tibial osteotomy (OWHTO) with concomitant microfracture by second-look arthroscopy, Magnetic Resonance Observation of Cartilage Repair Ti...

    Authors: Ken Iida, Yusuke Hashimoto, Yohei Nishida, Shinya Yamasaki and Hiroaki Nakamura

    Citation: Journal of Experimental Orthopaedics 2021 8:91

    Content type: Original Paper

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  2. This study aimed to test the hypothesis that routine MRI ankle can be used to evaluate dimensions and correlations between dimensions of single and double fascicular variants of the ATFL and the CFL.

    Authors: Pawel Szaro, Khaldun Ghali Gataa, Nektarios Solidakis and Przemysław Pękala

    Citation: Journal of Experimental Orthopaedics 2021 8:90

    Content type: Original Paper

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  3. Injury prevalence patterns for climbers have been presented in several papers but results are heterogenous largely due to a mix of included climbing disciplines and injury mechanisms. This study describes the ...

    Authors: Fredrik Identeg, Ebba Orava, Mikael Sansone, Jon Karlsson and Henrik Hedelin

    Citation: Journal of Experimental Orthopaedics 2021 8:89

    Content type: Original Paper

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  4. Range of motion after total knee arthroplasty (TKA) can impact patients’ daily lives. Nevertheless, flexion contracture (FC) often recurs after TKA, even upon achieving full extension intraoperatively. This st...

    Authors: Tomofumi Kinoshita, Kazunori Hino, Tatsuhiko Kutsuna, Kunihiko Watamori, Takashi Tsuda and Hiromasa Miura

    Citation: Journal of Experimental Orthopaedics 2021 8:87

    Content type: Original Paper

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  5. The anterior cruciate ligament (ACL) reconstruction via a contralateral bone-tendon-bone (C-BTB) autograft was introduced to encourage early return to sports. The purpose of this study is to evaluate whether p...

    Authors: Takaki Sanada, Eiji Uchiyama, Hiroshi Iwaso and Atsushi Fukai

    Citation: Journal of Experimental Orthopaedics 2021 8:86

    Content type: Original Paper

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  6. The aims of this study were to (1) investigate the effect of hydrodilatation in frozen shoulder patients on objective indices of shoulder functionality and subjective outcomes of pain, mobility, kinesiophobia,...

    Authors: Philippe Debeer, Olivia Commeyne, Ianthe De Cupere, Dorien Tijskens, Filip Verhaegen, Wim Dankaerts, Laurence Claes and Glenn Kiekens

    Citation: Journal of Experimental Orthopaedics 2021 8:85

    Content type: Original Paper

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  7. To assess a novel method of three-dimensional (3D) joint line (JL) restoration based on the contralateral tibia and fibula.

    Authors: Sandro Hodel, Anna-Katharina Calek, Philipp Fürnstahl, Sandro F. Fucentese and Lazaros Vlachopoulos

    Citation: Journal of Experimental Orthopaedics 2021 8:84

    Content type: Original Paper

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  8. To qualitatively evaluate the current evidence reporting outcomes of intra-articular injection of orthobiologics in patients undergoing high tibial osteotomy (HTO) for osteoarthritis of the knee.

    Authors: Brjan Kaiji Betzler, Aiman Haziq Bin Muhammad Ridzwan Chew and Hamid Rahmatullah Bin Abd Razak

    Citation: Journal of Experimental Orthopaedics 2021 8:83

    Content type: Review Paper

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  9. The main purpose of this study was to investigate clinical and radiological outcomes of medial meniscus posterior root tear (MMPRT) repair in knees with advanced articular cartilage degeneration and osteoarthr...

    Authors: Nathan D. M. Hopkins and Steven Lawrie

    Citation: Journal of Experimental Orthopaedics 2021 8:82

    Content type: Original Paper

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  10. Our primary objectives were to (1) describe current approaches for kinetic measurements in individuals following anterior cruciate ligament reconstruction (ACLR) and (2) suggest considerations for methodologic...

    Authors: Wasim Labban, Meredith Stadnyk, Mark Sommerfeldt, Stephanie Nathanail, Liz Dennett, Lindsey Westover, Thaer Manaseer and Lauren Beaupre

    Citation: Journal of Experimental Orthopaedics 2021 8:81

    Content type: Review Paper

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  11. The knee stiffness acquired following an Anterior Cruciate Ligament (ACL) injury might affect clinical knee tests, i.e., the pivot-shift maneuver. In contrast, the motor effects of spinal anesthesia could favo...

    Authors: Gastón Caracciolo, Roberto Yáñez, Rony Silvestre, Carlos De la Fuente, Héctor Zamorano, Alejandra Ossio, Lars Strömbäck, Sebastian Abusleme and Felipe P. Carpes

    Citation: Journal of Experimental Orthopaedics 2021 8:80

    Content type: Original Paper

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  12. In this study we compare the biomechanical properties of a novel suture technique that we developed called the continuous double knots technique for repairing flexor tendon injuries with the standard 4-strand ...

    Authors: Sunton Wongsiri and Wongthawat Liawrungrueang

    Citation: Journal of Experimental Orthopaedics 2021 8:79

    Content type: Original Paper

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  13. Adjusting the gap lengths to ensure equal lengths in both extension and flexion during total knee arthroplasty (TKA) is important for achieving successful outcomes. We designed a new pre-cut trial component (P...

    Authors: Makoto Kawasaki, Ryutaku Kaneyama, Hitoshi Suzuki, Teruaki Fujitani, Manabu Tsukamoto, Ken Sabanai, Toru Yoshioka, Nobukazu Okimoto, Ryuji Nagamine and Akinori Sakai

    Citation: Journal of Experimental Orthopaedics 2021 8:77

    Content type: Original Paper

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  14. Anterior cruciate ligament (ACL) injuries are often combined with lesions of the medial collateral ligament (MCL). The aim of this study was to evaluate treatment outcome of combined acute ACL and MCL lesions ...

    Authors: Patricia M. Lutz, Louisa S. Höher, Matthias J. Feucht, Jan Neumann, Daniela Junker, Klaus Wörtler, Andreas B. Imhoff and Andrea Achtnich

    Citation: Journal of Experimental Orthopaedics 2021 8:76

    Content type: Original Paper

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  15. Mast cells are multifunctional in osteoarthritis (OA), and infiltration of activated mast cells likely contributes to disease severity and progression. However, the detailed mechanisms of action are unclear. T...

    Authors: Junpei Dan, Masashi Izumi, Hiroko Habuchi, Osami Habuchi, Shogo Takaya, Yusuke Kasai, Ryuzo Hayashi, Koji Aso, Takahiro Ushida and Masahiko Ikeuchi

    Citation: Journal of Experimental Orthopaedics 2021 8:75

    Content type: Original Paper

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  16. The most common femoral short stems available on the market can, in principle, be divided with regard to their anchoring concepts into a calcar loading and a shortened tapered design. The purpose of this study...

    Authors: Tobias Freitag, Ralf Bieger, Hartmuth Kiefer, Daniel Dornacher, Heiko Reichel, Anita Ignatius and Lutz Dürselen

    Citation: Journal of Experimental Orthopaedics 2021 8:74

    Content type: Original Paper

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  17. Vitamin D deficiency is related to carpal tunnel syndrome symptoms. Correcting vitamin D levels by supplementation was supposed to improve carpel tunnel symptoms, though there is a lack of aggregated data abou...

    Authors: Chirathit Anusitviwat, Porames Suwanno and Sitthiphong Suwannaphisit

    Citation: Journal of Experimental Orthopaedics 2021 8:73

    Content type: Review Paper

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  18. The aim of this cadaver study was to evaluate an original technique for measuring posterior tibial translation based on an angle value instead of a distance value, with and without posterior stress application...

    Authors: M. Severyns, M.-E. Rollet, T. Vendeuvre, S. Pesenti, A. Benzakour and J.-L. Rouvillain

    Citation: Journal of Experimental Orthopaedics 2021 8:72

    Content type: Original Paper

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  19. The amount of passive anterior tibial translation (ATT) is known to be correlated to the amount of posterior tibial slope (PTS) in both anterior cruciate ligament-deficient and reconstructed knees. Slope-alter...

    Authors: M.J.M Zee, M.N.J Keizer, L Dijkerman, J.J.A.M van Raaij, J.M. Hijmans and R.L. Diercks

    Citation: Journal of Experimental Orthopaedics 2021 8:71

    Content type: Original Paper

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  20. Purpose: Effusion, impaired muscle function and knee instability are considered as some of the most important factors effecting outcome following anterior cruciate ligament reconstruction (ACL-R) but the impac...

    Authors: Kathleen Andrä, Enes Kayaalp, Robert Prill, Lars Irlenbusch, Eckehard Liesaus, Tilo Trommer, Peter Ullmann and Roland Becker

    Citation: Journal of Experimental Orthopaedics 2021 8:70

    Content type: Original Paper

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  21. This study aimed to investigate the rate at which patients returned to sports after open wedge high tibial osteotomy and identify the continuity of sports activity post-operatively.

    Authors: Shugo Maeda, Daisuke Chiba, Eiji Sasaki, Tetsushi Oyama, Tomoyuki Sasaki, Hironori Otsuka and Yasuyuki Ishibashi

    Citation: Journal of Experimental Orthopaedics 2021 8:68

    Content type: Original Paper

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  22. “Biologic therapies” in the field of orthopaedic surgery and sports medicine, so called orthobiologics, have been gaining significant interest from physicians and patients, with increasing usage over the recen...

    Authors: J. J. de Graeff, M. P. J. van den Bekerom, B. L. van Meer and J. A. C. Zijl

    Citation: Journal of Experimental Orthopaedics 2021 8:66

    Content type: Original Paper

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  23. To evaluate the clinical outcome after opening-wedge high tibial osteotomy (OWHTO) and to determine the critical factors for a poor clinical outcome after OWHTO in patients aged over 65 years.

    Authors: Shuhei Otsuki, Hitoshi Wakama, Kuniaki Ikeda, Nobuhiro Okuno, Yoshinori Okamoto, Tomohiro Okayoshi, Junya Matsuyama and Masashi Neo

    Citation: Journal of Experimental Orthopaedics 2021 8:65

    Content type: Original Paper

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  24. Development and validation of an animal model of labral healing would facilitate translation of novel surgical and biological strategies to improve glenolabral healing. The purpose of this study was to charact...

    Authors: Christopher J. Como, Benjamin B. Rothrauff, Peter G. Alexander, Albert Lin and Volker Musahl

    Citation: Journal of Experimental Orthopaedics 2021 8:63

    Content type: Original Paper

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  25. The treatment of osteochondral lesions is challenging and no consensus has been established about the best option for restoring both cartilage and subchondral bone. Multilayer collagen-hydroxyapatite scaffolds...

    Authors: Martina Ricci, Daniele Tradati, Alessio Maione, Francesco Mattia Uboldi, Eva Usellini and Massimo Berruto

    Citation: Journal of Experimental Orthopaedics 2021 8:62

    Content type: Original Paper

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  26. One of the major contributors to the progression of knee osteoarthritis (OA) is the condition of loading in the knee joint. Innovatively designed load-sharing implants may be effective in terms of reducing joi...

    Authors: Mehdi Saeidi, Piaras A. Kelly, Christian Netzel, Miriam Scadeng, Pranesh Kumar, Deborah Prendergast, Thomas Neitzert and Maziar Ramezani

    Citation: Journal of Experimental Orthopaedics 2021 8:61

    Content type: Original Paper

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  27. The purpose of this investigation was to systematically review the contemporary literature to determine if a lateral augmentation (LA) added to an Anterior Cruciate Ligament Reconstruction (ACLR) provides bett...

    Authors: Lucas Beckers, Thiago Vivacqua, Andrew D. Firth and Alan M. J. Getgood

    Citation: Journal of Experimental Orthopaedics 2021 8:59

    Content type: Review Paper

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  28. Volumetric muscle loss is a uniquely challenging pathology that results in irrecoverable functional deficits. Furthermore, a breakthrough drug or bioactive factor has yet to be established that adequately impr...

    Authors: Michael E. Whitely, Patrick B. Collins, Masahiro Iwamoto and Joseph C. Wenke

    Citation: Journal of Experimental Orthopaedics 2021 8:58

    Content type: Original Paper

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  29. (1) To evaluate the biomechanical properties of a porcine flexor digitorum superficialis tendon graft with preserved muscle fibers and (2) to compare these results with the biomechanical properties of a porcin...

    Authors: Luis Fernando Zukanovich Funchal, Diego Costa Astur, André Luiz Almeida Pizzolatti, Arthur Paiva Grimaldi, Andrew Esteban Jimenez, Ari Digiácomo Ocampo Moré, Carlos Rodrigo de Mello Roesler and Moises Cohen

    Citation: Journal of Experimental Orthopaedics 2021 8:57

    Content type: Original Paper

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  30. The aim of this study was to analyze the clinical results provided by multi-layer cell-free scaffolds for the treatment of knee osteochondral defects.

    Authors: Angelo Boffa, Luca Solaro, Alberto Poggi, Luca Andriolo, Davide Reale and Alessandro Di Martino

    Citation: Journal of Experimental Orthopaedics 2021 8:56

    Content type: Review Paper

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  31. The benefits of providing static stretching exercise targeting the hips in patients with non-specific Low Back Pain (NSLBP) are not well established. The objective of the study was to verify the effects of sta...

    Authors: Mohamadreza Hatefi, Farideh Babakhani and Mohadeseh Ashrafizadeh

    Citation: Journal of Experimental Orthopaedics 2021 8:55

    Content type: Original Paper

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  32. This study aimed to evaluate the excessive anterior tibial translation (ATT) and muscle strength of patients with ramp lesions. We hypothesised that the higher ATT, lower hamstring-to-quadriceps (HQ) ratio, an...

    Authors: Kazuki Asai, Junsuke Nakase, Rikuto Yoshimizu, Mitsuhiro Kimura and Hiroyuki Tsuchiya

    Citation: Journal of Experimental Orthopaedics 2021 8:54

    Content type: Original Paper

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  33. The goal of this preliminary report was to show the use of novel Ultrasound (US) technology for anterior cruciate ligament (ACL) reconstruction surgery and evaluate its feasibility for the creation of a rectan...

    Authors: Romain Seil, Caroline Mouton and Christophe Jacquet

    Citation: Journal of Experimental Orthopaedics 2021 8:53

    Content type: Original Paper

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    The Correction to this article has been published in Journal of Experimental Orthopaedics 2021 8:69

  34. A systematic review of the literature has been carried out to assess the actual evidence of the use of augmented reality in total knee arthroplasty (TKA). We then conducted a pilot clinical study to examine th...

    Authors: V. Iacono, L. Farinelli, S. Natali, G. Piovan, D. Screpis, A. Gigante and C. Zorzi

    Citation: Journal of Experimental Orthopaedics 2021 8:52

    Content type: Original Paper

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  35. High-grade pivot shift in the anterior cruciate ligament (ACL) injured knee is a risk factor for postoperative residual pivot shift. Procedures in addition to ACL reconstruction such as anterolateral ligament ...

    Authors: Yusuke Kawanishi, Makoto Kobayashi, Sanshiro Yasuma, Hiroaki Fukushima, Jiro Kato, Atsunori Murase, Tetsuya Takenaga, Masahito Yoshida, Gen Kuroyanagi, Yohei Kawaguchi, Yuko Nagaya, Hideki Murakami and Masahiro Nozaki

    Citation: Journal of Experimental Orthopaedics 2021 8:51

    Content type: Original Paper

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  36. The study aims were to assess the kinematic data, Internal-External (IE) rotation, and Antero-Posterior (AP) translation of the contact points between the femoral condyles and polyethylene insert and to develo...

    Authors: Agostino Igor Mirulla, Laura Bragonzoni, Stefano Zaffagnini, Tommaso Ingrassia, Raffaele Zinno and Bernardo Innocenti

    Citation: Journal of Experimental Orthopaedics 2021 8:50

    Content type: Original Paper

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  37. Effect of ultrasound guided injections of autologous ASCs in chronic recalcitrant patellar tendinopathy.

    Authors: Miguel A. Khoury, Karim Chamari, Montassar Tabben, Khalid Alkhelaifi, Trueba Ricardo, Couto Damián and Pieter D’hooghe

    Citation: Journal of Experimental Orthopaedics 2021 8:49

    Content type: Original Paper

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  38. The aim of the present study was to present clinical and radiological outcome of a hip fracture-dislocation of the femoral head treated with biomimetic osteochondral scaffold.

    Authors: Alessandro Casiraghi, Claudio Galante, Marco Domenicucci, Stefano Cattaneo, Andrea Achille Spreafico, Marcello Motta, Paolo Capitani and Giuseppe Milano

    Citation: Journal of Experimental Orthopaedics 2021 8:48

    Content type: Case Report

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  39. Correction osteotomies around the knee are common methods for the treatment of varus or valgus malalignment of the lower extremity. In recent years, patient specific instrumentation (PSI) guides were introduce...

    Authors: Peter Savov, Mara Hold, Maximilian Petri, Hauke Horstmann, Christian von Falck and Max Ettinger

    Citation: Journal of Experimental Orthopaedics 2021 8:47

    Content type: Original Paper

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  40. The aim of this paper was to report the results presented in the session “Does practice of meniscus surgery change over time?” of the 2021 MENISCUS webinar held online on January 30th 2021.

    Authors: Christophe Jacquet, Caroline Mouton, Roland Becker, Hideyuki Koga, Matthieu Ollivier, Peter Verdonk, Philippe Beaufils and Romain Seil

    Citation: Journal of Experimental Orthopaedics 2021 8:46

    Content type: Meeting report

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  41. Paediatric and adolescent ACL injuries are an emerging health burden, increasing at a higher rate than in adults. They compromise quality of life, affect knee structure and function, lead to the early developm...

    Authors: Caroline Mouton, Håvard Moksnes, Rob Janssen, Christian Fink, Stefano Zaffagnini, Juan Carlos Monllau, Guri Ekås, Lars Engebretsen and Romain Seil

    Citation: Journal of Experimental Orthopaedics 2021 8:45

    Content type: Review Paper

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  42. To quantify the influence of the femoral tunnel exit (FTE) on the graft bending angle (GBA) and GBA-excursion throughout a full range of motion (ROM) in single-bundle anterior cruciate ligament (ACL) reconstru...

    Authors: Sandro Hodel, Sylvano Mania, Lazaros Vlachopoulos, Philipp Fürnstahl and Sandro F. Fucentese

    Citation: Journal of Experimental Orthopaedics 2021 8:44

    Content type: Original Paper

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  43. The authors retrieved the records of 4 patients that exhibited unusual structural anomalies or pathologies, notably the presence of a fibrous band at the anterior aspect of the tibiotalar joint, observed durin...

    Authors: Philippe Beaudet, Floris van Rooij, Mo Saffarini and Alexis Nogier

    Citation: Journal of Experimental Orthopaedics 2021 8:42

    Content type: Case Report

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