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  1. Despite good survival rates of revised knee prostheses, little is known about recovery trajectories within the first 12 months after surgery. This retrospective observational study explored recovery trajectori...

    Authors: W. Y. Liu, M. C. van der Steen, R. J. A. van Wensen and R. W. T. M. van Kempen
    Citation: Journal of Experimental Orthopaedics 2021 8:117
  2. The revision of any total knee replacement is carried out in a significant number of cases, due to the excessive internal rotation of the tibial component. The goal was to develop a personalized method, using ...

    Authors: Gömöri András, Gábor Németh, Csaba Zsolt Oláh, Gábor Lénárt, Zsanett Drén and Miklós Papp
    Citation: Journal of Experimental Orthopaedics 2021 8:116
  3. Controversy exists regarding the acute effect of non-steroidal anti-inflammatory drugs (NSAIDs) on early fracture healing. The purpose of this study was to analyze the rate of nonunion or delayed union in pati...

    Authors: Brandon Barnds, Matt Heenan, Jack Ayres, Armin Tarakemeh, J. Paul Schroeppel, Scott Mullen and Bryan G. Vopat
    Citation: Journal of Experimental Orthopaedics 2021 8:115
  4. The Forgotten Joint Score (FJS-12) is a valid tool in the evaluation of patients undergoing hip arthroscopy, assessing the unique concept of joint awareness in the setting of a patient’s hip pathology. The pre...

    Authors: P. G. Robinson, T. R. Williamson, I. R. Murray, J. F. Maempel, D. J. MacDonald, D. F. Hamilton and P. Gaston
    Citation: Journal of Experimental Orthopaedics 2021 8:113
  5. The aim is to compare the results of isolated hip arthroscopy in patients with borderline dysplasia with Lateral center edge angle (LCEA) between 18° and 25° with a control group of patients with normal LCEA (...

    Authors: Enrico Tassinari, Federica Mariotti, Francesco Castagnini, Stefano Lucchini, Francesco Perdisa, Giovanni Bracci, Monica Cosentino, Barbara Bordini and Francesco Traina
    Citation: Journal of Experimental Orthopaedics 2021 8:112
  6. Glenohumeral osteoarthritis (OA) represents a challenging problem in young, physically active patients. It was the purpose of this investigation to evaluate the results of a pilot study involving glenoid resur...

    Authors: Filippo Familiari, Bettina Hochreiter and Christian Gerber
    Citation: Journal of Experimental Orthopaedics 2021 8:111
  7. Parameniscal cysts are associate with horizontal meniscal tears. Arthroscopic meniscal repair and the excision of the cyst by mini-open approach represent a valid treatment. However, the recurrence of cyst is ...

    Authors: Daniele Screpis, Gianluca Piovan, Simone Natali, Stefano Pasqualotto, Stefano Magnanelli, Venanzio Iacono, Luca Farinelli, Marco Grassi and Claudio Zorzi
    Citation: Journal of Experimental Orthopaedics 2021 8:110
  8. Anterior insertion of the supraspinatus muscle plays an essential role in rotator cuff tissue. We aimed to determine whether the distance between the midpoints of the supraspinatus central tendon and long head...

    Authors: Lifeng Yin, Hua Zhang, Yangang Kong, Xinyu Zhang, Wenlong Yan and Jian Zhang
    Citation: Journal of Experimental Orthopaedics 2021 8:108
  9. Patellar resurfacing in total knee arthroplasty (TKA) remains controversial as recent meta-analyses have not shown its clear superiority; however, most authors recommend it because it is associated with less f...

    Authors: Dai Sato, Masayuki Inoue, Takuro Sasaki, Jun Uchida, Tomohiro Onodera, Eiji Kondo and Norimasa Iwasaki
    Citation: Journal of Experimental Orthopaedics 2021 8:107
  10. The study was to determine the effect of locking hole inserts and their insertion torque on the fatigue life of a large fragment Locking Compression Plate (LCP) under bending forces.

    Authors: Kathleen N. Meyers, Timothy S. Achor, Mark L. Prasarn, Jaimo Ahn, Kevin Khalsa, David S. Wellman, Dean G. Lorich and David L. Helfet
    Citation: Journal of Experimental Orthopaedics 2021 8:106
  11. Based on its close anatomic features and nearly-collinear force vector to those of supraspinatus muscle, the current article describes a technique of middle trapezius tendon transfer for reproduction of supras...

    Authors: Amr Abdel-Mordy Kandeel
    Citation: Journal of Experimental Orthopaedics 2021 8:105
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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