Articles

Effect of a simple core muscle training program on trunk muscle strength and neuromuscular control among pediatric soccer players

The purpose of this study was to examine the effect of simple core muscle training (CMT) program on trunk muscle strength and neuromuscular control among pediatric athletes.

Authors: Ryotaro Kumahara, Shizuka Sasaki, Eiji Sasaki, Yuka Kimura, Yuji Yamamoto, Eiichi Tsuda and Yasuyuki Ishibashi

Letter to the editor “Middle trapezius transfer for treatment of irreparable supraspinatus tendon tears-anatomical feasibility study”

Authors: Mehmet Kapicioglu, Orkhan Aliyev and Kerem Bilsel

Is T2 mapping reliable in evaluation of native and repair cartilage tissue of the knee?

To evaluate the effect of imaging plane and experience of observers on the reliability of T2 mapping of native and repair cartilage tissue of the knee.

Authors: Hasan Banitalebi, Christian Owesen, Asbjørn Årøen, Hang Thi Tran, Tor Åge Myklebust and Per-Henrik Randsborg

Evaluation of outcome reporting trends for femoroacetabular impingement syndrome- a systematic review

The aim of this systematic review was to evaluate the trends in the literature regarding surgical treatment for femoroacetabular impingement syndrome (FAIS) and to present which patient-reported outcome-measur...

Authors: Ida Lindman, Sarantos Nikou, Axel Öhlin, Eric Hamrin Senorski, Olufemi Ayeni, Jon Karlsson and Mikael Sansone

Supracondylar rotation osteotomy of the femur influences the coronal alignment of the ankle

Osteotomies represent well-established treatment-options for the redistribution of loads and forces within and around the knee-joint. Effects of these osteotomies on the remaining planes and adjacent joints ar...

Authors: Christian Konrads, Marc-Daniel Ahrend, Myriam R. Beyer, Ulrich Stöckle and Sufian S. Ahmad

Evaluation of the ‘Spaarne soft tissue procedure’ as a treatment for recurrent patellar dislocations: a four-in-one technique

The ‘Spaarne soft tissue procedure’, is a 4-in-1 soft tissue procedure that treats recurrent patellar dislocations in the young and active population. The procedure has not yet described elsewhere. The purpose...

Authors: Raymond Puijk, Rachid Rassir, Jan K. G. Louwerens, Inger N. Sierevelt, Tjitte de Jong and Peter A. Nolte

Early outcomes and predictors of patient satisfaction after TKA: a prospective study of 200 cases with a contemporary cemented rotating platform implant design

The purpose of the study was to identify the earliest time point where subjects realized the greatest clinical improvement after TKA, and the time when post-operative scores became superior to pre-operative sc...

Authors: Corné van Loon, Niels Baas, Verdonna Huey, James Lesko, Geert Meermans and Diederik Vergroesen

A computed tomography cadaveric study of the radiological anatomy of the patella: the size of the patella correlates with bone bridge between tunnels and R angles are introduced for safe tunnel drilling during MPFL reconstruction

To measure the safe range of angles during tunnel drilling and map ideal patella tunnel placement with the use of preoperative computed tomography (CT) scan and compare results after medial patellofemoral liga...

Authors: Vasileios Raoulis, Ioannis Tsifountoudis, Apostolos Fyllos, Michael Hantes, Michael-Alexander Malahias, Apostolos Karantanas and Aristeidis Zibis

Posterior cruciate ligament repair with suture tape augmentation: a case series with minimum 2-year follow-up

The posterior cruciate ligament (PCL) is an important stabilizer of the knee and can be damaged in up to 20% of ligamentous injuries. Numerous techniques for surgical treatment have been described in the liter...

Authors: Graeme P. Hopper, Ahmer Irfan, Joanne M. Jenkins, William T. Wilson and Gordon M. Mackay

Machine learning methods in sport injury prediction and prevention: a systematic review

Injuries are common in sports and can have significant physical, psychological and financial consequences. Machine learning (ML) methods could be used to improve injury prediction and allow proper approaches t...

Authors: Hans Van Eetvelde, Luciana D. Mendonça, Christophe Ley, Romain Seil and Thomas Tischer

Single-leg hop distance normalized to body height is associated with the return to sports after anterior cruciate ligament reconstruction

To investigate the relationship between single-leg hop distance (SLHD), normalized body height, and return-to-sports (RTS) status after anterior cruciate ligament reconstruction (ACLR) and to identify the cut-...

Authors: Shunsuke Ohji, Junya Aizawa, Kenji Hirohata, Takehiro Ohmi, Sho Mitomo, Tetsuya Jinno, Hideyuki Koga and Kazuyoshi Yagishita

The influence of kinesio taping on trunk and lower extremity motions during different landing tasks: implications for anterior cruciate ligament injury

The purpose of the study was to investigate the influence of a 72-h KT application on trunk and lower extremity kinematics during different landing tasks.

Authors: Bahram Sheikhi, Amir Letafatkar, Jennifer Hogg and Esmaiel Naseri-Mobaraki

The future of meniscus science: international expert consensus

The purpose of this study was to evaluate the main focus areas for research and development for furthering the state of meniscus science in 2021.

Authors: Nicholas N. DePhillipo, Robert F. LaPrade, Stefano Zaffagnini, Caroline Mouton, Romain Seil and Philippe Beaufils

Treatment of irreparable rotator cuff tears with superior capsular reconstruction

The treatment of irreparable rotator cuff tears with severe muscle atrophy and fatty infiltration remains a challenge, especially in young patients. Many surgical procedures for these tears have been reported....

Authors: Nobuyuki Yamamoto and Eiji Itoi

A false-pouch closure technique with an intact superior peroneal retinaculum for recurrent dislocation of the peroneal tendon

To evaluate the usefulness of the false-pouch closure technique with an intact superior peroneal retinaculum (SPR).

Authors: Tomohiro Matsui, Tsukasa Kumai, Yasushi Shinohara, Noriyuki Kanzaki, Koji Noguchi, Hirofumi Tanaka, Takeshi Sugimoto, Hiroki Yabiku and Ichiro Higashiyama

Effectiveness of measuring tension during arthroscopic rotator cuff repair

Arthroscopic rotator cuff repair (ARCR) for relatively small rotator cuff tears (RCTs) has shown promising results; however, such surgery for larger tears often results in failure and poor clinical outcomes. O...

Authors: Shin Yokoya, Yoshihiro Nakamura, Yohei Harada, Hiroshi Negi, Ryosuke Matsushita, Norimasa Matsubara, Yasuhiko Sumimoto and Nobuo Adachi

FGF gene expression in injured tendons as a prognostic biomarker of 1-year patient outcome after Achilles tendon repair

Healing outcome after Achilles Tendon Rupture (ATR) is variable and unsatisfactory. Many ATR patients still exhibit pain, functional deficits and limitations in walking one-year post-surgery. The present study...

Authors: Junyu Chen, Joel Svensson, Carl-Johan Sundberg, Aisha Siddiqah Ahmed and Paul W. Ackermann

No significant improvement in neuromuscular proprioception and increased reliance on visual compensation 6 months after ACL reconstruction

To determine the contributions of proprioceptive and visual feedbacks for postural control at 6 months following ACLR, and to determine their associations with knee laxity, isokinetic tests and clinical scores.

Authors: Frank Wein, Laetitia Peultier-Celli, Floris van Rooij, Mo Saffarini and Philippe Perrin

Influence of peracetic acid-ethanol sterilisation on the biomechanical properties of human meniscus transplants

Meniscus allograft transplantation (MAT) is a possible treatment for patients suffering with pain after meniscectomy. Here, peracetic acid (PAA) sterilised meniscus transplants were investigated on whether the...

Authors: Volker Eras, Josefine Graffunder, Norus Ahmed and Jan C. Brune

The aspiration test: an arthroscopic sign of lateral meniscus posterior horn instability

The suspensory mechanism of the posterior horn of the lateral meniscus (PHLM) is an anatomically complex structure including the popliteomeniscal fascicles, the meniscotibial posterior root attachment and the ...

Authors: Christophe Jacquet, Amanda Magosch, Caroline Mouton and Romain Seil

3D-surface scan based validated new measurement technique of femoral joint line reconstruction in total knee arthroplasty

This study aimed to validate a new joint line measurement technique in total knee arthroplasty for separated assessment of the medial and lateral femoral joint line alteration with 3D-surface scan technology. ...

Authors: Lars-Rene Tuecking, Max Ettinger, Dennis Nebel, Bastian Welke, Michael Schwarze, Henning Windhagen and Peter Savov

Intrathecal chloroprocaine or hyperbaric prilocaine for ambulatory knee surgery? A prospective randomized study

The aim of this study was to compare intrathecal 1% chloroprocaine with 2% hyperbaric prilocaine in the setting of ambulatory knee arthroscopy. We hypothesized that complete resolution of the sensory block was...

Authors: E Guntz, C Vasseur, D Ifrim, A Louvard, J F Fils and Y Kapessidou

Diagnosis and management of the infected total knee replacement: a practical surgical guide

Prosthetic joint infection (PJI) after total knee arthroplasty (TKA) is a significant burden in health care. Diagnosis and proper management are challenging. A standardised procedure for the diagnostic workup ...

Authors: Akos Zahar and Martin Sarungi

Staged patellar tendon reconstruction using doubled bone-patellar tendon-bone allograft for infected patellar tendon rupture: a rare case report of three years follow-up

Patellar tendon rupture is a relatively rare injury that usually requires surgical treatment. The optimal therapeutic strategy is still controversial, especially when either concomitant patellar tendon infecti...

Authors: Hyung Suk Choi, Byung-Woong Jang, Dong-Il Chun, Yong Beom Kim, Gi-Won Seo, Jinyeong Hwang and Byung Ill Lee

The enhancement of cartilage regeneration by use of a chitosan-based scaffold in a 3D model of microfracture in vitro: a pilot evaluation

Authors: N. Andjelkov, H. Riyadh, M. Ivarsson, Z. Kacarevic-Popovic, J. Krstic and P. Wretenberg

Clinical outcome after knee ligament reconstruction with tendon allografts

The purpose of this study is to investigate the clinical outcome for patients after knee ligament reconstructions with allografts at a university hospital.

Authors: Jon Olav Drogset, Kristina Hovde Størset, Thea Marie Nitteberg and Tone Gifstad

Distal radioulnar joint stabilization with open foveal reinsertion versus tendon graft reconstruction: an experimental study using radiostereometry

Symptomatic instability of the distal radioulnar joint (DRUJ) caused by lesion of the Triangular Fibrocartilage Complex (TFCC) can be treated with a number of surgical techniques. Clinical examination of DRUJ ...

Authors: Janni Kjærgaard Thillemann, Sepp De Raedt, Torben Bæk Hansen, Bo Munk and Maiken Stilling

Why are tapes better than wires in knotless rotator cuff repairs? An evaluation of force, pressure and contact area in a tendon bone unit mechanical model

Knotless repairs have demonstrated encouraging performance regarding retear rate reduction, but literature aiming at identifying the specific variables responsible for these results is scarce and conflictive.

Authors: Carlos Maia Dias, Sérgio B. Gonçalves, António Completo, Martina Tognini, Manuel Ribeiro da Silva, Jorge Mineiro, Francisco Curate, Frederico Ferreira and João Folgado

How common is fatty infiltration of the teres minor in patients with shoulder pain? A review of 7,367 consecutive MRI scans

The teres minor is particularly important for activities that require external rotation in abduction in the settings of both rotator cuff tears and reverse shoulder arthroplasty. This study sought to assess th...

Authors: William R. Aibinder, Derrick A. Doolittle, Doris E. Wenger and Joaquin Sanchez-Sotelo

Cadaveric evaluation of the feasibility of glenohumeral joint denervation

To assess the feasibility of total shoulder denervation through two proposed incisions.

Authors: Amr M. Aly

Promising improvement of chronic lateral elbow tendinopathy by using adipose derived mesenchymal stromal cells: a pilot study

Study the effect of Adipose derived stromal cells (ASCs) injection as therapeutic procedure on the common extensor tendinopathy.

Authors: Miguel Khoury, Montassar Tabben, Alejandro U. Rolón, Lorena Levi, Karim Chamari and Pieter D’Hooghe

Middle trapezius transfer for treatment of irreparable supraspinatus tendon tears- anatomical feasibility study

The purpose of this study was to investigate the anatomical feasibility of a middle trapezius transfer below the acromion for treatment of irreparable supraspinatus tendon tears.

Authors: Philipp Moroder, Doruk Akgün, Lucca Lacheta, Kathi Thiele, Marvin Minkus, Nina Maziak, Thilo Khakzad, Christian Festbaum, Katja Rüttershoff, Sophia Ellermann, Torsten Weiss, Thomas Jöns and Victor Danzinger

Fixation of olecranon osteotomy only with 6′5 mm partially trheaded cancellous screw is a safe an effective method used in surgical management of distal humerus fractures

The objective of this study is to demonstrate the safety and efficacy of the osteosynthesis with a 6.5 mm screw and washer of a Chevron shape olecranon osteotomy performed for the surgical approach of supraint...

Authors: Pablo Cañete San Pastor, Javier Lopez Valenciano, Ivan Copete and Inma Prosper Ramos

A narrative review of the last decade’s literature on the diagnostic accuracy of septic arthritis of the native joint

While septic arthritis can be a straightforward diagnosis, there are many cases when the diagnosis is difficult to make. The aim of this study was to review the last decade’s literature on the diagnosis of sep...

Authors: Elizabeth H. G. Turner, Mc Daniel H. Lang and Andrea M. Spiker

A patient-specific 3D model of the knee to compare the femoral rollback before and after total knee arthroplasty (TKA)

Total knee arthroplasty (TKA) is nowadays performed as a standard procedure on a large number of patients suffering from arthrosis. Replacing the knee joint causes changes in the geometry and kinematics of the...

Authors: Alexandra Mercader, Timon Röttinger, Amir Bigdeli, Tim C. Lüth and Heinz Röttinger

Minimizing complications in bikini incision direct anterior approach total hip arthroplasty: A single surgeon series of 865 cases

The purpose of this study was to report all complications during the first consecutive 865 cases of bikini incision direct anterior approach (DAA) total hip arthroplasty (THA) performed by a single surgeon. Th...

Authors: Avinash Alva, Ikram Nizam and Sophia Gogos

Correction to: Prolotherapy agent P2G is associated with upregulation of fibroblast growth factor-2 genetic expression in vitro

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

Authors: Elisha Johnston, Chandrakanth Emani, Andrew Kochan, Kidane Ghebrehawariat, John Tyburski, Michael Johnston and David Rabago

The long road to recovery: at six months since the first COVID-19 wave, elective orthopedic care has still not fully recovered in Belgium

The primary aim of our study was to investigate elective orthopaedic care during the first wave government-imposed COVID-19 lockdown and at four weeks and 21 weeks after resuming elective care. The secondary a...

Authors: Y. N. Tan, PJ. Vandekerckhove and P Verdonk

Intraoperative measurements of reverse total shoulder arthroplasty contact forces

Instability and fractures may result from tensioning errors during reverse total shoulder arthroplasty (RTSA). To help understand tension, we measured intraoperative glenohumeral contact forces (GHCF) during R...

Authors: Kevin W. Farmer, Masaru Higa, Scott A. Banks, Chih-Chiang Chang, Aimee M. Struk and Thomas W. Wright

Prolotherapy agent P2G is associated with upregulation of fibroblast growth factor-2 genetic expression in vitro

Osteoarthritis (OA) is a prevalent, progressively degenerative disease. Researchers have rigorously documented clinical improvement in participants receiving prolotherapy for OA. The mechanism of action is unk...

Authors: Elisha Johnston, Chandrakanth Emani, Andrew Kochan, Kidane Ghebrehawariat, John Tyburski, Michael Johnston and David Rabago

A longterm prospective follow-up study of resurfacing miniprosthesis suitable for patients above sixtyfive years with localized cartilage lesions or early osteoarthritis in the knee

The aim of the study was to investigate the long-term outcomes of the Focal Femoral Condyle Resurfacing Prosthesis for treatment of localized cartilage lesion in patients > 65 years.

Authors: Jens Ole Laursen, Martin Lind, Christian Backer Mogensen and Helene Skjøt-Arkil

An isolated Posterolateral corner injury with rotational instability and hypermobile lateral meniscus: a novel entity

Although complete tear of the knee posterolateral corner (PLC) commonly occurs in combination with other knee ligamentous injuries, the incidence of isolated PLC injury was reported only 28% and overlooked in ...

Authors: Kazumi Goto, Victoria Duthon and Jacques Menetrey

Robotic-assisted Unicompartmental knee Arthroplasty optimizes joint line restitution better than conventional surgery

To compare joint line restoration after unicompartmental knee arthroplasty (UKA) between conventional and robotic-assisted surgery. Previous studies have shown that joint line distalization can lead to higher ...

Authors: Roberto Negrín, Jaime Duboy, Nicolás O. Reyes, Maximiliano Barahona, Magaly Iñiguez, Carlos Infante, José Antonio Cordero, Vicente Sepulveda and Gonzalo Ferrer

Ultrasound-guided arthroscopic communication enlargement surgery may be an ideal treatment option for popliteal cysts – indications and technique

Several studies have shown an excellent success rate of communication enlargement surgery for popliteal cysts (Baker’s cysts). Ultrasound-guided surgery can improve the accuracy of this procedure and may lead ...

Authors: Kazumi Goto and Isaku Saku

Sufentanil sublingual tablet system versus oral oxycodone for management of postoperative pain in enhanced recovery after surgery pathway for total knee arthroplasty: a randomized controlled study

Effectiveness of sufentanil sublingual tablet system (SSTS) compared to oral oxycodone in the management of postoperative pain after total knee arthroplasty (TKA) within an enhanced recovery after surgery (ERA...

Authors: Emmanuel Noel, Luca Miglionico, Mickael Leclercq, Harold Jennart, Jean-François Fils and Nicolas Van Rompaey

The puzzling pathophysiology of frozen shoulders – a scoping review

The pathophysiology of frozen shoulders is a complex and multifactorial process. The purpose of this review is to scope the currently available knowledge of the pathophysiology of frozen shoulders.

Authors: T. Kraal, J. Lübbers, M. P. J. van den Bekerom, J. Alessie, Y. van Kooyk, D. Eygendaal and R. C. T. Koorevaar

Comparative matched-pair cohort analysis of the short-term clinical outcomes of mesenchymal stem cells versus hyaluronic acid treatments through intra-articular injections for knee osteoarthritis

Intra-articular injection of hyaluronic acid (HA) has shown promises in reducing pain and improving physical function in knee osteoarthritis (OA). Recently, cell-based therapies using mesenchymal stem cells (M...

Authors: Yong Sang Kim, Dong Suk Suh, Dae Hyun Tak, Pill Ku Chung, Yoo Beom Kwon, Tae Yong Kim and Yong Gon Koh

Sclerotherapy and prolotherapy for chronic patellar tendinopathies - a promising therapy with limited available evidence, a systematic review

Chronic Patellar tendinopathy (CPT) is a frequent overuse disorder in athletes and active people. Sclerotherapy (ST) and prolotherapy (PT) are, among a wide range of conservative treatment options, two promisi...

Authors: Oliver Morath, Manuel Beck, Jan Taeymans and Anja Hirschmüller

Reduction of pin tract infections during external fixation using cadexomer iodine

Knee joint distraction (KJD) is a joint-preserving treatment for younger osteoarthritis patients. KJD has shown positive results in regular care, but the external fixation frame often caused pin tract skin inf...

Authors: Mylène P. Jansen, Nienke van Egmond, Esmee C. Kester, Simon C. Mastbergen, Floris P. J. G. Lafeber and Roel J. H. Custers

Biomechanical asymmetries persist after ACL reconstruction: results of a 2-year study

This study was aimed to examine longitudinal (6, 12, 18, 24 months) asymmetries in double-leg landing kinetics and kinematics of subjects with and without unilateral ACLR.

Authors: Fatemeh Sharafoddin-Shirazi, Amir Letafatkar, Jennifer Hogg and Vahid Saatchian