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https://www.readbyqxmd.com/read/28334016/does-shoe-heel-design-influence-ground-reaction-forces-and-knee-moments-during-maximum-lunges-in-elite-and-intermediate-badminton-players
#1
Wing-Kai Lam, Jaejin Ryue, Ki-Kwang Lee, Sang-Kyoon Park, Jason Tak-Man Cheung, Jiseon Ryu
BACKGROUND: Lunge is one frequently executed movement in badminton and involves a unique sagittal footstrike angle of more than 40 degrees at initial ground contact compared with other manoeuvres. This study examined if the shoe heel curvature design of a badminton shoe would influence shoe-ground kinematics, ground reaction forces, and knee moments during lunge. METHODS: Eleven elite and fifteen intermediate players performed five left-forward maximum lunge trials with Rounded Heel Shoe (RHS), Flattened Heel Shoe (FHS), and Standard Heel Shoes (SHS)...
2017: PloS One
https://www.readbyqxmd.com/read/28333575/is-clinical-measurement-of-anatomic-axis-of-the-femur-adequate
#2
Chi-Chuan Wu
Background and purpose - The accuracy of using clinical measurement from the anterior superior iliac spine (ASIS) to the center of the knee to determine an anatomic axis of the femur has rarely been studied. A radiographic technique with a full-length standing scanogram (FLSS) was used to assess the adequacy of the clinical measurement. Patients and methods - 100 consecutive young adult patients (mean age 34 (20-40) years) with chronic unilateral lower extremity injuries were studied. The pelvis and intact contralateral lower extremity images in the FLSS were selected for study...
March 23, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28332404/conceptual-design-and-implantation-of-an-external-fixator-with-improved-mobility-for-knee-rehabilitation
#3
Gianluca Gatti
A hinged external fixator is used to allow early knee rehabilitation in case of injury or trauma, as an alternative approach to immobilization. It is mainly adopted for the treatment of dislocations, which involve tearing of the ligaments, and it basically consists of two links connected to each other by a revolute joint. Each link is fixed to the femur and tibia via pin fixation, and the revolute joint is approximately aligned to the knee flexion-extension (FE) axis. The advantage in its implantation is to protect ligament reconstruction, while allowing for an aggressive rehabilitation...
March 23, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28332046/ramp-lesions-in-acl-deficient-knees-in-children-and-adolescent-population-a-high-prevalence-confirmed-in-intercondylar-and-posteromedial-exploration
#4
Matthieu Malatray, Sebastien Raux, Adrien Peltier, Clemence Pfirrmann, Romain Seil, Franck Chotel
PURPOSE: Ramp lesions are common in ACL deficient knees. Their diagnosis is difficult and, therefore, they may be underestimated. So far, no study analyzed their prevalence in a pediatric population. The diagnosis of these Ramp lesions is of major clinical relevance because of a frequent misestimating and technic difficulties. Ramp lesions might be associated with residual knee pain and instability after ACL reconstruction. The aim of this study was to evaluate the prevalence of ramp lesions explored through a systematic intercondylar and posteromedial arthroscopic approach during an ACL reconstruction in a pediatric and adolescent population...
March 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28331459/heterotopic-ossification-of-the-calvarium-following-bilateral-craniectomies-in-traumatic-brain-injury
#5
Rafael A Vega, Leslie Hutchins
BACKGROUND: Heterotopic ossification (HO) is defined as ectopic bone formation following traumatic brain injury. Patients typically develop lesions in the hips, knees, and elbows that cause pain, restricted range of motion, nerve impingement, and pressure ulcers. CASE REPORT: We report an unusual presentation of HO in an 18-year-old male who was involved in a motor vehicle accident and subsequently developed malignant intracranial pressure. His HO developed following bilateral craniectomies in which 2 different dural substitutes were used...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28330449/a-cross-sectional-study-of-the-effects-of-load-carriage-on-running-characteristics-and-tibial-mechanical-stress-implications-for-stress-fracture-injuries-in-women
#6
Chun Xu, Amy Silder, Ju Zhang, Jaques Reifman, Ginu Unnikrishnan
BACKGROUND: Load carriage is associated with musculoskeletal injuries, such as stress fractures, during military basic combat training. By investigating the influence of load carriage during exercises on the kinematics and kinetics of the body and on the biomechanical responses of bones, such as the tibia, we can quantify the role of load carriage on bone health. METHODS: We conducted a cross-sectional study using an integrated musculoskeletal-finite-element model to analyze how the amount of load carriage in women affected the kinematics and kinetics of the body, as well as the tibial mechanical stress during running...
March 23, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28327163/injuries-in-male-and-female-semi-professional-football-soccer-players-in-nigeria-prospective-study-of-a-national-tournament
#7
Oluwatoyosi Babatunde Alex Owoeye, Ayoola Ibifubara Aiyegbusi, Oluwaseun Akinleye Fapojuwo, Oluwaseun Abdulganiyu Badru, Anike Rasheedat Babalola
BACKGROUND: Research on the epidemiology of football injuries in Africa is very sparse despite its importance for injury prevention planning in a continent with limited sports medicine resources. The vast majority of studies available in literature were conducted in Europe and only a very few studies have prospectively reported the pattern of football injury in Africa. The purpose of this study was to evaluate the incidence and pattern of injuries in a cohort of male and female semi-professional football players in Nigeria...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28327133/improved-knee-biomechanics-among-patients-reporting-a-good-outcome-in-knee-related-quality-of-life-one-year-after-total-knee-arthroplasty
#8
Josefine E Naili, Per Wretenberg, Viktor Lindgren, Maura D Iversen, Margareta Hedström, Eva W Broström
BACKGROUND: It is not well understood why one in five patients report poor outcomes following knee arthroplasty. This study evaluated changes in knee biomechanics, and perceived pain among patients reporting either a good or a poor outcome in knee-related quality of life after total knee arthroplasty. METHODS: Twenty-eight patients (mean age 66 (SD 7) years) were included in this prospective study. Within one month of knee arthroplasty and one year after surgery, patients underwent three-dimensional (3D) gait analysis, completed the Knee Injury and Osteoarthritis Outcome Score (KOOS), and rated perceived pain using a visual analogue scale...
March 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28326408/traumatic-anterior-knee-dislocation-after-total-knee-arthroplasty
#9
Richard S Ahn, Matthew J Brown, Mario D Santilli
This article describes a traumatic complete anterior knee dislocation of a previously well-functioning total knee arthroplasty. A thorough physical examination with appropriate radiographic imaging study is required for proper evaluation and treatment of this injury, as it is often associated with neurovascular injury and subsequent global instability of the injured knee is likely.
September 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28326399/total-knee-replacement-for-tricompartmental-arthritis-in-a-patient-with-a-below-knee-amputation-after-a-previous-closing-wedge-high-tibial-osteotomy
#10
Mark A Fleming, Michael C Dixon
This is a report of a 64-year-old man who had undergone a high tibial osteotomy (HTO) 17 years ago of his right knee for medial compartment osteoarthritis; 5 days later, he received a below-knee amputation owing to a missed popliteal artery injury at the time of the HTO. We elected to perform a total knee replacement (TKR) for progressive arthritis of the ipsilateral knee 17 years after the transtibial amputation. Although there is a plethora of literature regarding TKR in the contralateral knee of amputees, there is a paucity of data of TKR in the ipsilateral knee...
June 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28325693/surgical-technique-and-clinical-outcomes-of-retrograde-osteochondral-autograft-transfer-for-osteochondral-lesions-of-the-tibial-plateau
#11
Hiromitsu Yabumoto, Yasuaki Nakagawa, Shogo Mukai, Takahiko Saji, Takashi Nakamura
PURPOSE: To present the surgical technique, clinical outcomes, and poor prognostic factors of arthroscopic retrograde osteochondral autograft transfer of the tibial plateau. METHODS: Twelve patients (6 men, 6 women; mean age, 38.7 years) with tibial plateau osteochondral lesions underwent surgery. The primary diseases were osteonecrosis in 4 cases, cartilage injuries in 6, and postfractures of the tibial plateau in 2. Clinical outcomes were evaluated preoperatively and postoperatively according to the International Knee Documentation Committee score and the Japanese Orthopaedic Association score...
March 18, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28325673/lower-limb-dynamics-and-clinical-outcomes-for-habitually-shod-runners-who-transition-to-barefoot-running
#12
Rami Hashish, Sachithra D Samarawickrame, Susan Sigward, Stanley P Azen, George J Salem
OBJECTIVES: Recent investigations have revealed lower vertical loading rates and knee energy absorption amongst experienced barefoot runners relative to those who rear-foot strike (RFS). Although this has led to an adoption of barefoot running amongst many recreational shoe runners, recent investigations indicate that the experienced barefoot pattern is not immediately realized. Therefore, the purpose this investigation was to quantify changes in lower-extremity dynamics and clinical outcomes measures for habitually shod runners who perform a transition to barefoot running...
December 10, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28324994/co-activation-periods-of-gastrocnemius-and-vastus-lateralis-during-walking-evaluated-by-surface-electromyography
#13
Alessandro Mengarelli, Annachiara Strazza, Agnese Sbrollini, Angela Agostinelli, Laura Burattini, Sandro Fioretti, Francesco Di Nardo
"In vivo" studies reported that the co-activation of gastrocnemius and quadriceps femoris (QF) muscles produces ACL strain values greater than those caused by an isolated activation of either muscle. Aim of this study was to assess the co-activation of gastrocnemius (lateral head, GL) and vastus lateralis (VL) in healthy and young adults during walking. To this purpose the Statistical Gait Analysis was performed, that allows a characterization of gait considering hundreds of strides belonging to the same walking trial...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324204/tibial-nerve-neuropathy-following-medial-opening-wedge-high-tibial-osteotomy-case-report-of-a-rare-technical-complication
#14
Young-Soo Shin, Hyun-Bo Sim, Jung-Ro Yoon
A 63-year-old woman developed tibial nerve injury caused by an overlong K wire and 4.5-mm cortical lag screw through the first distal hole below the osteotomy during medial opening-wedge high tibial osteotomy (HTO), leading to a lack of sensation on the sole of the foot with no disturbances in motor functions. The temporary lag screw in the first distal hole below the osteotomy is often inserted by an excessive length in order to compress the potentially fractured opposite cortex. By doing so, posterior neurovascular structures including the tibial nerve and the popliteal vessels can be injured...
March 21, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28324130/the-oblique-popliteal-ligament-an-anatomic-and-mri-investigation
#15
Mandy Hedderwick, Mark D Stringer, Liam McRedmond, Grant R Meikle, Stephanie J Woodley
PURPOSE: Despite being the largest ligament on the posterior aspect of the knee, relatively little is known about the normal morphology of the oblique popliteal ligament (OPL). The aim of this study was to investigate the detailed anatomy of the OPL in cadavers and healthy volunteers. METHODS: The posterior knee was investigated in 25 cadaver lower limbs (mean age 76 ± 9.5 years; 7 men) by dissection, histology, and serial plastination and in 14 healthy individuals (mean age 23 ± 3...
March 21, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28323136/self-reported-knee-pain-and-disability-among-healthy-individuals-reference-data-and-factors-associated-with-the-knee-injury-and-osteoarthritis-outcome-score-koos-and-koos-child
#16
Jennifer N Baldwin, Marnee J McKay, Claire E Hiller, Niamh Moloney, Elizabeth J Nightingale, Joshua Burns
OBJECTIVE: To develop normative reference data for the Knee injury and Osteoarthritis Outcome Score (KOOS) and KOOS-Child, as well as investigate socio-demographic, psychological and physical factors associated with knee pain and disability among healthy adults. METHOD: The KOOS or KOOS-Child (each containing five subscales) was administered to participants aged 8-101 years within the 1000 Norms Project, an observational study of 1000 self-reported healthy individuals...
March 16, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28321478/the-anterolateral-complex-in-anterior-cruciate-ligament-deficient-knees-demonstrate-sonographic-abnormalities-on-high-resolution-sonography
#17
Masahito Yoshida, Elmar Herbst, Macio Albers, Volker Musahl, Freddie H Fu, Kentaro Onishi
PURPOSE: The presence of anterolateral ligament of the knee is still controversial, and some physicians prefer to call this structure anterolateral complex (ALC) to infer plural nature of structures involved. The purpose of this study was to describe the scanning techniques and to classify various sonographic appearances of the tibial-side ALC of the knee in subjects with anterior cruciate ligament (ACL) injury. It was hypothesized that sonographic abnormity of the ALC would be associated with ACL injury history...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28321477/total-knee-arthroplasty-after-varus-distal-femoral-osteotomy-vs-native-knee-similar-results-in-a-case-control-study
#18
Romain Gaillard, Timothy Lording, Sebastien Lustig, Elvire Servien, Philippe Neyret
PURPOSE: The aim of this study was to investigate the results of total knee arthroplasty (TKA) performed after varus distal femoral osteotomy (VrDFO), in comparison to a control group of TKAs performed as the primary intervention for arthrosis. Main hypothesis was that the medium term results for the two groups would be similar. METHODS: All TKAs performed after VrDFO were extracted from a single centre, prospective database of 4046 arthroplasties. A case-control study was performed with a control group comprising two TKAs performed as the primary intervention for each TKA after VrDFO, and matched for sex, age at intervention, body mass index, the type of arthrosis and the type of implant...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28321343/knee-dislocation-a-case-report-diagnostic-vascular-work-up-and-literature-review
#19
Matthijs R Douma, Michael D Burg, Björn L Dijkstra
Knee dislocation is an uncommon, potentially limb-threatening, knee injury. Most often caused by high-velocity trauma, it can also result from low- or even ultra-low-velocity trauma. Rapid identification of the injury, reduction, and definitive management are necessary to minimize neurovascular damage. We present a case of rotatory anterolateral knee dislocation sustained during a twisting sports-related event. Special emphasis is placed on diagnosing vascular injuries associated with knee dislocations.
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28320508/staged-minimally-invasive-plate-osteosynthesis-of-proximal-tibial-fractures-with-acute-compartment-syndrome
#20
Joon-Woo Kim, Chang-Wug Oh, Jong-Keon Oh, Hee-Soo Kyung, Kyeong-Hyeon Park, Hee-June Kim, Jae-Wook Jung, Young-Soo Jung
PURPOSE: High-energy proximal tibial fractures often accompany compartment syndrome and are usually treated by fasciotomy with external fixation followed by secondary plating. However, the initial soft tissue injury may affect bony union, the fasciotomy incision or external fixator pin sites may lead to postoperative wound infections, and the staged procedure itself may adversely affect lower limb function. We assess the results of staged minimally invasive plate osteosynthesis (MIPO) for proximal tibial fractures with acute compartment syndrome...
March 11, 2017: Injury
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