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  1. Patellofemoral (PF) joint osteoarthritis (OA) is a major cause of anterior knee pain. Combined PF and medial tibiofemoral (TF) OA is common in older adults. We evaluated the effect of arthroscopic patellar den...

    Authors: Mohamed Kamel Mohamed Said, Hatem G. Said, Hesham Elkady, Mahmoud Kamel Mohamed Said, Islam Karam-Allah Ramadan and Mohamed Abd EL-Radi
    Citation: Journal of Experimental Orthopaedics 2021 8:104
  2. Despite increased utilization of unicompartmental knee arthroplasty (UKA) for unicompartmental knee osteoarthritis, outcomes in Medicare patients are not well-reported. The purpose of this study is to analyze ...

    Authors: Brandon L. Morris, Jack M. Ayres, Daniel Reinhardt, Armin Tarakemeh, Scott Mullen, J. Paul Schroeppel and Bryan G. Vopat
    Citation: Journal of Experimental Orthopaedics 2021 8:103
  3. Posterior capsular contracture causes stiffness during knee extension in knee osteoarthritis. Furthermore, in posterior-stabilized total knee arthroplasty (PS-TKA), a unique design such as the cam mechanism co...

    Authors: Tomofumi Kinoshita, Kazunori Hino, Tatsuhiko Kutsuna, Kunihiko Watamori, Takashi Tsuda and Hiromasa Miura
    Citation: Journal of Experimental Orthopaedics 2021 8:102
  4. This study aims to compare the efficacy of a dual therapy of Platelet-Rich Plasma (PRP) and Hyaluronic Acid (HA) compared with PRP-alone therapy in the treatment of knee osteoarthritis (KOA).

    Authors: Angeline Ai Ling Aw, Jun Jie Leeu, Xinyu Tao and Hamid Rahmatullah Bin Abd Razak
    Citation: Journal of Experimental Orthopaedics 2021 8:101
  5. This prospective study was undertaken to examine whether the desired coronal plane alignment of limb and prosthetic components in total knee arthroplasty (TKA) could be achieved precisely using conventional ji...

    Authors: Daria Singh, Kalpeshkumar C. Patel and Ragini D. Singh
    Citation: Journal of Experimental Orthopaedics 2021 8:100
  6. Early detection of medial meniscus posterior root tear (MMPRT) is important in preventing the rapid onset and progression of degenerative knee disease. Diagnosis is facilitated by the availability of non-weigh...

    Authors: Hiroki Okamura, Hiroki Ishikawa, Takuya Ohno, Shogo Fujita, Shigeo Yamakami, Hirotaka Akezuma, Koji Ishikawa and Katsunori Inagaki
    Citation: Journal of Experimental Orthopaedics 2021 8:99
  7. This study aimed to highlight short- and medium-term outcomes of combined medial patello-femoral ligament (MPFL) reconstruction and anterior tibial tuberosity (ATT) transposition surgery in patients with recur...

    Authors: A. Castelli, E. Jannelli, E. Ferranti Calderoni, G. Galanzino, A. Ivone, L. Caliogna, C. Klersy, G. Pasta, M. Mosconi, F. Benazzo and G. Zanon
    Citation: Journal of Experimental Orthopaedics 2021 8:98
  8. The elbow is particularly prone to stiffness. Loss of elbow motion is very limiting, and can be the result of trauma, primary osteoarthritis, heterotopic ossification and other conditions. Several exposures ha...

    Authors: Joaquin Sanchez-Sotelo
    Citation: Journal of Experimental Orthopaedics 2021 8:97
  9. To evaluate the measurement properties of a new version of the Swedish Knee Self-Efficacy Scale (K-SES) in samples of individuals with an anterior cruciate ligament (ACL) injury and after ACL reconstruction. A...

    Authors: S. Beischer, E. Hamrin Senorski, P. Thomeé and R. Thomeé
    Citation: Journal of Experimental Orthopaedics 2021 8:96
  10. A large percentage of anterior cruciate ligament (ACL) surgical reconstructions experience sub-optimal outcomes within 2 years. A potential factor contributing to poor outcomes is an incomplete understanding o...

    Authors: Alexandra M. Blokker, Ryan Wood, Jaques C. Milner, David W. Holdsworth, Timothy A. Burkhart and Alan Getgood
    Citation: Journal of Experimental Orthopaedics 2021 8:95
  11. The inside-out meniscal repair is widely performed to preserve the function of meniscus. In this technique, the outer suture is passed through the capsule as well as the outer meniscus, while the inner suture ...

    Authors: Satoshi Yamakawa, Tatsuo Mae, Issei Ogasawara, Takehito Hirose, Shoji Konda and Ken Nakata
    Citation: Journal of Experimental Orthopaedics 2021 8:94
  12. This study investigates the effects of the all-inside repair of posterosuperior popliteomeniscal fascicle (PMF) on lateral meniscus stabilization using a posterior arthroscopic approach.

    Authors: Sohrab Keyhani, Mohammad Movahedinia, Mehran Soleymanha, Rene Verdonk, Morteza Kazemi and Mohamad Qoreishy
    Citation: Journal of Experimental Orthopaedics 2021 8:93
  13. The flexor digitorum longus and posterior tibial tendon as well as the perforating veins are located along the distal posteromedial tibial border. Adipose tissue may surround these structures and possibly play...

    Authors: Okunuki Takumi, Tanaka Hirofumi, Akuzawa Hiroshi, Yabiku Hiroki, Maemichi Toshihiro, Matsumoto Masatomo, Hoshiba Takuma and Kumai Tsukasa
    Citation: Journal of Experimental Orthopaedics 2021 8:92
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. “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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. (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
  43. 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
  44. 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