Articles

Coordinative variability and overuse injury

Overuse injuries are generally defined as a repetitive micro-trauma to tissue. Many researchers have associated particular biomechanical parameters as an indicator of such injuries. However, while these parame...

Authors: Joseph Hamill, Christopher Palmer and Richard E A Van Emmerik

Simple method for confirming tibial osteotomy during total knee arthroplasty

Achieving precise implant alignment is crucial for producing good outcomes after total knee arthroplasty (TKA). We introduce a simple method for confirming the accuracy of tibial osteotomy during TKA.

Authors: Hirotaka Mutsuzaki and Kotaro Ikeda

Arthroscopic resection of multiple ossifying tumors in the infrapatellar fat pad

A 49 year-old male visited a nearby clinic five years back with a complaint of pain in the right knee during exercise. Plain radiographs revealed absence of any anomalies. He began to feel a lumpy mass in his ...

Authors: Tsutomu Oshigiri, Kota Watanabe, Hidenori Otsubo, Shintaro Takeda, Tomoyuki Suzuki, Takuma Kobayashi and Toshihiko Yamashita

Nature and incidence of upper limb injuries in professional cricket players a prospective observation

Cricket is the most popular sport in India, and is gaining in importance in all south-east Asian countries. The purpose of this study was to prospectively investigate the incidence, nature, and site of acute u...

Authors: Mandeep S Dhillon, Bhavuk Garg, Ritesh K Soni, Himmat Dhillon and Sharad Prabhakar

The influence of electromyographic biofeedback therapy on knee extension following anterior cruciate ligament reconstruction: a randomized controlled trial

Loss of knee extension and a deficit in quadriceps strength are frequently found following anterior cruciate ligament (ACL) reconstruction. The aim of this study was to investigate whether the addition of Elet...

Authors: Franz Christanell, Christian Hoser, Reinhard Huber, Christian Fink and Hannu Luomajoki

A comparative assessment of alternatives to the full-leg radiograph for determining knee joint alignment

The purpose of this study was to assess the concurrent validity of alternative measures of frontal plane knee alignment, namely the radiographic anatomic axis and two clinical measures in patients complaining ...

Authors: Amir M Navali, Leila Azhar Shekoufeh Bahari and Behrouz Nazari

Humeral head osteonecrosis in an adolescent amateur swimming athlete: a case report

Osteonecrosis of the humeral head in an adolescent without clear pathogenesis has not been reported in the literature. In this case report, we present such a case of humeral head osteonecrosis in a 15-year-old...

Authors: Jianlin Zuo, Hirotaka Sano, Nobuyuki Yamamoto, Yoshimasa Sakoma, Nobuhisa Shinozaki, Yoshiaki Itoigawa, Rei Omi and Eiji Itoi

Mid- term results of stryker® scorpio plus mobile bearing total knee arthroplasty

The mobile bearing knee system was introduced to lessen contact stress on the articular bearing surface and reduce polyethylene wear. The purpose of the current study was to investigate the mid-term results of...

Authors: Hideo Kobayashi, Naoto Mitsugi, Yuichi Mochida, Naoya Taki, Yasushi Akamatsu, Masato Aratake, Hirohiko Ota, Katsushi Ishii, Kengo Harigane, Taichi Ideno and Tomoyuki Saito

Hip abduction weakness in elite junior footballers is common but easy to correct quickly: a prospective sports team cohort based study

Hip abduction weakness has never been documented on a population basis as a common finding in a healthy group of athletes and would not normally be found in an elite adolescent athlete. This study aimed to sho...

Authors: Hamish R Osborne, John F Quinlan and Garry T Allison

Anterior cruciate ligament reconstruction in a patient with Athetoid cerebral palsy: a case report

Recent years have seen ACL reconstruction performed in a broad range of patients, regardless of age, sex or occupation, thanks to great advances in surgical techniques, instrumentation and the basic research. ...

Authors: Takuya Tajima, Etsuo Chosa, Keitarou Yamamoto, Katsuhiro Kawahara, Nami Yamaguchi and Shinji Watanabe

Knee hemarthrosis after arthroscopic surgery in an athlete with low factor XIII activity

We report a thirteen-year-old tennis player with knee hemarthrosis caused by low factor XIII activity. She visited our hospital because of medial peripatellar pain for two years. Although there was no abnormal...

Authors: Akira Tsujii, Yoshinari Tanaka, Yasukazu Yonetani, Yoshiki Shiozaki, Yoshiaki Tomiyama and Shuji Horibe

Concurrent validity of the non-exercise based VO₂max prediction equation using percentage body fat as a variable in asian Indian adults

Aerobic capacity (VO₂max) is highly dependent upon body composition of an individual and body composition varies with ethnicity. The purpose of this study was to check the concurrent validity of the non-exercise ...

Authors: Shweta Shenoy, Bhupinder S Tyagi and Jaspal S Sandhu

Clinical descriptive measures of shoulder range of motion for a healthy, young and physically active cohort

The objective of this innovative research study was to describe clinical shoulder complex range of motion (ROM) measures for a young, healthy, and physically active population. This investigation represents a ...

Authors: Giampietr L Vairo, Michele L Duffey, Brett D Owens and Kenneth L Cameron

A comparison of the musculoskeletal assessments of the shoulder girdles of professional rugby players and professional soccer players

To identify posture types that exist in professional rugby players, and compare them with a population of non-overhead athletes in order to identify possible relationships towards the potential for shoulder in...

Authors: Ian G Horsley, James Pearson, Ann Green and Christer Rolf

A double patella-like condition secondary to synovial osteochondromatosis

To our knowledge, this is the first case of synovial osteochondromatosis in a patient presenting with a double patella-like condition. The true duplication of the patella, which is called double patella, is ex...

Authors: Yoshiteru Kajikawa, Yuji Arai, Hisatake Takamiya, Tetsuo Higuchi, Gen Mori, Shinsuke Morisaki and Toshikazu Kubo

Evaluation of the clinical results of posterior cruciate ligament reconstruction -a comparison between the use of the bone tendon bone and semitendinosus and gracilis tendons-

Authors: Yuichiro Maruyama, Katsuo Shitoto, Tomonori Baba and Kazuo Kaneko

The diagnostic value of the stump impingement reflex sign for determining anterior cruciate ligament stump impingement as a cause of knee locking

The stump impingement reflex is a subtle bounce to the knee thought to be caused by hamstring contraction when the knee is brought into extension and the torn ACL stump impinges between the distal femur and th...

Authors: Michael R Carmont, Rob E Gilbert, Christopher Marquis, Omer Mei-Dan and Dai Rees

Intra-articular corrective osteotomy for malunited Hoffa fracture: A case report

Hoffa fracture, an isolated coronal plane fracture of the posterior aspect of the femoral condyle, is known as an unstable, intra-articular fracture, and therefore, operative treatment is recommended. However,...

Authors: Takao Iwai, Masayuki Hamada, Takahide Miyama and Konsei Shino

A tale of 10 European centres – 2010 APOSSM travelling fellowship review in ACL surgery

The purpose of ESSKA- APOSSM Travelling fellowship is to better understand the epidemiology, management and surgical techniques for sports across continents. There has been a progressive evolution in ACL recon...

Authors: Yee Han Dave Lee, Ryosuke Kuroda, Jinzhong Zhao and Kai Ming Chan

Can pre-season fitness measures predict time to injury in varsity athletes?: a retrospective case control study

The ability to determine athletic performance in varsity athletes using preseason measures has been established. The ability of pre-season performance measures and athlete’s exposure to predict the incidence o...

Authors: Michael D Kennedy, Robyn Fischer, Kristine Fairbanks, Lauren Lefaivre, Lauren Vickery, Janelle Molzan and Eric Parent

Intramedullary screw fixation with bone autografting to treat proximal fifth metatarsal metaphyseal-diaphyseal fracture in athletes: a case series

Delayed unions or refractures are not rare following surgical treatment for proximal fifth metatarsal metaphyseal-diaphyseal fractures. Intramedullary screw fixation with bone autografting has the potential to...

Authors: Sachiyuki Tsukada, Hiroo Ikeda, Yoshie Seki, Masayuki Shimaya, Akiho Hoshino and Sadao Niga

Incomplete joint side tear of the subscapularis tendon with a small fragment in an adolescent tennis player: a case report

In this case report, we presented the case of an adolescent tennis player with avulsion injury of the subscapularis tendon of the right shoulder.

Authors: Soki Kato, Hiroki Funasaki, Iwao Kan, Mamoru Yoshida, Kentaro Kasama and Keishi Marumo

Biomechanical comparison between single-bundle and double-bundle anterior cruciate ligament reconstruction with hamstring tendon under cyclic loading condition

The purpose of this study was to compare the anterior tibial translation (ATT) of the anterior cruciate ligament (ACL) reconstructed-knee between single-bundle and double-bundle ACL reconstruction under cyclic...

Authors: Shuya Nohmi, Yasuyuki Ishibashi, Eiichi Tsuda, Yuji Yamamoto, Harehiko Tsukada and Satoshi Toh

ACL graft failure location differs between allografts and autografts

Between 5 and 20% of patients undergoing ACL reconstruction fail and require revision. Animal studies have demonstrated slower incorporation of allograft tissue, which may affect the mechanism of graft failure...

Authors: Robert A Magnussen, Dean C Taylor, Alison P Toth and William E Garrett

A modified Larson’s method of posterolateral corner reconstruction of the knee reproducing the physiological tensioning pattern of the lateral collateral and popliteofibular ligaments

Consensus has been lacking as to how to reconstruct the posterolateral corner (PLC) of the knee in patients with posterolateral instability. We describe a new reconstructive technique for PLC based on Larson's...

Authors: Yasuo Niki, Hideo Matsumoto, Toshiro Otani, Hiroyuki Enomoto, Yoshiaki Toyama and Yasunori Suda

A case of patellar fractures in monozygotic twin gymnasts

We present a case of near identical patellar fractures in adolescent monozygotic twins who are both high-level competitive gymnasts. These patients presented 14 months apart with almost identical history and c...

Authors: Andrew J Beamish, Gareth L Roberts and Peter Cnudde

The concept of double bundle ACL simulation with a single bundle patellar tendon graft. A cadaveric feasibility study

There is significant interest in the restoration of the double-bundle anatomy of the native ACL when performing ACL reconstruction. Possible techniques include those utilizing two separate grafts with independ...

Authors: Matthias Jacobi, Robert A Magnussen, Vincent Villa, Guillaume Demey and Philippe Neyret

Arthroscopic-assisted removal of proximal tibia locking plates

We present a new technique to remove plates from the proximal tibia arthroscopic-assisted with all advantages of the minimally invasive surgery and the possibility to treat concomitant intraarticular pathologi...

Authors: Justus Gille, Ralf Oheim, Helge Riepenhof, Christine Voigt and Christian Juergens

Inducement of semitendinosus tendon regeneration to the pes anserinus after its harvest for anterior cruciate ligament reconstruction-A new inducer grafting technique

To investigate the usefulness of the “inducer grafting” technique for regeneration of the semitendinosus (ST) tendon after its harvest for anterior cruciate ligament (ACL) reconstruction.

Authors: Hidetaka Murakami, Takashi Soejima, Takashi Inoue, Tomonoshin Kanazawa, Kouji Noguchi, Michihiro Katouda, Kousuke Tabuchi, Megumi Noyama, Hideki Yasunaga and Kensei Nagata

High-resolution axial MR imaging of tibial stress injuries

To evaluate the relative involvement of tibial stress injuries using high-resolution axial MR imaging and the correlation with MR and radiographic images.

Authors: Takeo Mammoto, Atsushi Hirano, Yohei Tomaru, Mamoru Kono, Yuta Tsukagoshi, Sinzo Onishi and Naotaka Mamizuka

Incidence and pattern of injuries among adolescent basketball players in Nigeria

Basketball is the second most popular sport in Nigeria after football and is commonly played by adolescents. Prospective studies on adolescent basketball players in Nigeria are lacking. Such studies will help ...

Authors: Oluwatoyosi Babatunde Alex Owoeye, Ashiyat Kehinde Akodu, Bayonle Matt Oladokun and Sunday Rufus Akinwumi Akinbo

Short and long terms healing of the experimentally transverse sectioned tendon in rabbits

The incidences of tendon injuries in certain sections of human or animal populations such as athletes are high, but every human or animal, regardless of age or level of activity experiences some degree of tend...

Authors: Ahmad Oryan, Ali Moshiri and Abdul-Hamid Meimandi-Parizi

Autogenous osteochondral graft transplantation for steroid-induced osteonecrosis of the femoral condyle: A report of three young patients

Steroid-induced osteonecrosis of the femoral condyle is a relatively uncommon condition and is often difficult to select appropriate treatment especially in young patients. Three young men (aged 25, 18, and 24...

Authors: Norifumi Fujita, Tomoyuki Matsumoto, Seiji Kubo, Takehiko Matsushita, Kazunari Ishida, Yuichi Hoshino, Koji Nishimoto, Masahiro Kurosaka and Ryosuke Kuroda

The treatment of medial tibial stress syndrome in athletes; a randomized clinical trial

The only three randomized trials on the treatment of MTSS were all performed in military populations. The treatment options investigated in this study were not previously examined in athletes. This study inves...

Authors: Maarten Hendrik Moen, Leonoor Holtslag, Eric Bakker, Carl Barten, Adam Weir, Johannes L Tol and Frank Backx

A new manual method for assessing elbow valgus laxity

A screening of ulnar collateral ligament insufficiency is required for overhead throwers, since secondary pathologic changes result from an increased elbow valgus laxity. We developed a new manual method for a...

Authors: Kenji Yasui, Teruhisa Mihata, Atsushi Takeda, Chisato Watanabe and Mitsuo Kinoshita

Sex-dimorphic landing mechanics and their role within the noncontact ACL injury mechanism: evidence, limitations and directions

Anterior cruciate ligament (ACL) injuries continue to present in epidemic-like proportions, carrying significant short- and longer-term debilitative effects. With females suffering these injuries at a higher r...

Authors: Mélanie L Beaulieu and Scott G McLean

Arthroscopic anatomical double-bundle anterior cruciate ligament reconstruction for asian patient using a bone-patellar tendon-bone and gracilis tendon composite autograft: a technical note

Recent years have seen anterior cruciate ligament (ACL) reconstruction being performed in a broad range of patients, regardless of age, sex and occupation, thanks to great advances in surgical techniques, surg...

Authors: Takuya Tajima, Etsuo Chosa, Keitaro Yamamoto and Nami Yamaguchi

Arthroscopic observation was useful to detect loosening of the femoral component of unicompartmental knee arthroplasty in a recurrent hemoarthrosis

A case of recurrent hemarthrosis of the knee after a mobile-bearing unicompartmental knee arthroplasty (UKA; Oxford UKA) is described. A 58-year-old man met with a road traffic accident 10 months after UKA. He...

Authors: Kotaro Yamakado, Hitoshi Arakawa and Seigaku Hayashi

Trochleoplasty in major trochlear dysplasia: current concepts

Trochleoplasty is the theoretical solution to persistent symptoms (pain and/or instability) related to trochlear dysplasia where there is not only a trochlear flatness but also a trochlear prominence. The thre...

Authors: Philippe Beaufils, Mathieu Thaunat, Nicolas Pujol, Sven Scheffler, Roberto Rossi and Mike Carmont

Correlation of psychomotor findings and the ability to partially weight bear

Partial weight bearing is thought to avoid excessive loading that may interfere with the healing process after surgery of the pelvis or the lower extremity. The object of this study was to investigate the rela...

Authors: Thomas Ruckstuhl, Georg Osterhoff, Michael Zuffellato, Philippe Favre and Clément ML Werner

An appraisal of rehabilitation regimes used for improving functional outcome after total hip replacement surgery

This study aimed to systematically review the literature with regards to studies of rehabilitation programmes that have tried to improve function after total hip replacement (THR) surgery. 15 randomised contro...

Authors: Tosan Okoro, Andrew B Lemmey, Peter Maddison and John G Andrew

Biomechanical approaches to understanding the potentially injurious demands of gymnastic-style impact landings

Gymnasts are exposed to a high incidence of impact landings due to the execution of repeated dismount performances. Biomechanical research can help inform recent discussions surrounding a proposed rule change ...

Authors: Marianne JR Gittoes and Gareth Irwin

Effect of the Japanese herbal medicine, Boiogito, on the osteoarthritis of the knee with joint effusion

Boiogito (Japanese herbal medicine, Tsumura Co. Tokyo, Japan) contains sinomenin which inhibits inflammatory reactions. Since sinomenine is a principle component of the Boiogito, there is a possibility of it bein...

Authors: Tokifumi Majima, Masahiro Inoue, Yasuhiko Kasahara, Tomohiro Onodera, Daisuke Takahashi and Akio Minami

Effect of prostaglandin E₂ injection on the structural properties of the rat patellar tendon

Increased tendon production of the inflammatory mediator prostaglandin E₂ (PGE₂) has been suggested to be a potential etiologic agent in the development of tendinopathy. Repeated injection of PGE₂ into tendon has...

Authors: Scott T Ferry, Hessam M Afshari, Justin A Lee, Laurence E Dahners and Paul S Weinhold

The possible benefits of reduced errors in the motor skills acquisition of children

An implicit approach to motor learning suggests that relatively complex movement skills may be better acquired in environments that constrain errors during the initial stages of practice. This current concept ...

Authors: Catherine M Capio, Cindy HP Sit, Bruce Abernethy and Rich SW Masters

Clinical and biomechanical outcome of minimal invasive and open repair of the Achilles tendon

With evolutions in surgical techniques, minimally invasive surgical (MIS) repair with Achillon applicator has been introduced. However, there is still a lack of literature to investigate into the clinical meri...

Authors: Alexander Pak-Hin Chan, Yue-Yan Chan, Daniel Tik-Pui Fong, Pamela Yuet-Kam Wong, Hoi-Yan Lam, Chun-Kwong Lo, Patrick Shu-Hang Yung, Kwai-Yau Fung and Kai-Ming Chan

Calcium phosphate-hybridized tendon graft to enhance tendon-bone healing two years after ACL reconstruction in goats

We developed a novel technique to improve tendon-bone attachment by hybridizing calcium phosphate (CaP) with a tendon graft using an alternate soaking process. However, the long-term result with regard to the ...

Authors: Hirotaka Mutsuzaki and Masataka Sakane

Double bundle arthroscopic Anterior Cruciate Ligament reconstruction with remnant preserving technique using a hamstring autograft

Preservation of the Anterior Cruciate Ligament (ACL) remnant is important from the biological point of view as it enhances revascularization, and preserves the proprioceptive function of the graft construct. A...

Authors: Mitsuo Ochi, Mohamed M Abouheif, Wirat Kongcharoensombat, Atsuo Nakamae, Nobuo Adachi and Masataka Deie

Application of layered poly (L-lactic acid) cell free scaffold in a rabbit rotator cuff defect model

This study evaluated the application of a layered cell free poly (L-lactic acid) (PLLA) scaffold to regenerate an infraspinatus tendon defect in a rabbit model. We hypothesized that PLLA scaffold without culti...

Authors: Atsuyuki Inui, Takeshi Kokubu, Hiroyuki Fujioka, Issei Nagura, Ryosuke Sakata, Hanako Nishimoto, Masaru Kotera, Takashi Nishino and Masahiro Kurosaka

Percutaneous & Mini Invasive Achilles tendon repair

Rupture of the Achilles tendon is a considerable cause of morbidity with reduced function following injury. Recent studies have shown little difference in outcome between the techniques of open and non-operati...

Authors: Michael R Carmont, Roberto Rossi, Sven Scheffler, Omer Mei-Dan and Philippe Beaufils