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Anterolateral ligament of the knee

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https://www.readbyqxmd.com/read/27880849/loading-patterns-of-the-posterior-cruciate-ligament-in-the-healthy-knee-a-systematic-review
#1
S H Hosseini Nasab, Renate List, Katja Oberhofer, Sandro F Fucentese, Jess G Snedeker, William R Taylor
BACKGROUND: The posterior cruciate ligament (PCL) is the strongest ligament of the knee, serving as one of the major passive stabilizers of the tibio-femoral joint. However, despite a number of experimental and modelling approaches to understand the kinematics and kinetics of the ligament, the normal loading conditions of the PCL and its functional bundles are still controversially discussed. OBJECTIVES: This study aimed to generate science-based evidence for understanding the functional loading of the PCL, including the anterolateral and posteromedial bundles, in the healthy knee joint through systematic review and statistical analysis of the literature...
2016: PloS One
https://www.readbyqxmd.com/read/27871655/surgical-indications-and-technique-for-anterior-cruciate-ligament-reconstruction-combined-with-lateral-extra-articular-tenodesis-or-anterolateral-ligament-reconstruction
#2
REVIEW
Bart Vundelinckx, Benjamin Herman, Alan Getgood, Robert Litchfield
After anterior cruciate ligament (ACL) rupture, anteroposterior and rotational laxity in the knee causes instability, functional symptoms, and damage to other intra-articular structures. Surgical reconstruction aims to restore the stability in the knee, and to improve function and ability to participate in sports. It also protects cartilage and menisci from secondary injuries. Because of persistent rotational instability after ACL reconstruction, combined intra-articular and extra-articular procedures are more commonly performed...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27859544/lateral-soft-tissue-structures-contribute-to-cruciate-retaining-total-knee-arthroplasty-stability
#3
Kiron K Athwal, Hadi El Daou, Breck Lord, Andrew J Davies, William Manning, Ferdinando Rodriguez Y Baena, David J Deehan, Andrew A Amis
Little information is available to surgeons regarding how the lateral structures prevent instability in the replaced knee. The aim of this study was to quantify the lateral soft-tissue contributions to stability following cruciate-retaining total knee arthroplasty (CR TKA). Nine cadaveric knees were tested in a robotic system at full extension, 30°, 60°, and 90° flexion angles. In both native and CR implanted states, ±90 N anterior-posterior force, ±8 Nm varus-valgus, and ±5 Nm internal-external torque were applied...
November 9, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27847860/morphology-of-anterolateral-ligament-of-the-knee-a-cadaveric-observation-with-clinical-insight
#4
Bhagath Kumar Potu, Abdel Halim Salem, Marwan F Abu-Hijleh
Background. The morphology and function of anterolateral ligament (ALL) of the knee are not clearly understood even today with all the sophisticated techniques available. There have been differing descriptions of the ALL of the knee in literature, and not all of them have been named or described clearly. Aim. The present study was undertaken to provide a clear structure/relationship description on ALL. Materials and Methods. We used 24 formalin-fixed cadaveric limbs. Knee regions of the all the limbs were neatly dissected and the ALL was exposed...
2016: Advances in Medicine
https://www.readbyqxmd.com/read/27843134/effect-of-posterior-cruciate-ligament-rupture-on-biomechanical-and-histological-features-of-lateral-femoral-condyle
#5
Zhenhan Deng, Yusheng Li, Hong Liu, Kanghua Li, Guanghua Lei, Bangbao Lu
BACKGROUND The aim of this study was to investigate bone mineral density (BMD) and the biomechanical and histological effects of posterior cruciate ligament (PCL) rupture on the lateral femoral condyle. MATERIAL AND METHODS Strain on different parts of the lateral femoral condyle from specimens of normal adult knee joints, including 12 intact PCLs, 6 ruptures of the anterolateral bundle, 6 ruptures of the postmedial bundle, and 12 complete ruptures, was tested when loaded with different loads on the knee at various flexion angles...
November 15, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27798791/anterolateral-ligament-of-the-knee-shows-variable-anatomy-in-pediatric-specimens
#6
Kevin G Shea, Matthew D Milewski, Peter C Cannamela, Theodore J Ganley, Peter D Fabricant, Elizabeth B Terhune, Alexandra C Styhl, Allen F Anderson, John D Polousky
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction failure rates are highest in youth athletes. The role of the anterolateral ligament in rotational knee stability is of increasing interest, and several centers are exploring combined ACL and anterolateral ligament reconstruction for these young patients. Literature on the anterolateral ligament of the knee is sparse in regard to the pediatric population. A single study on specimens younger than age 5 years demonstrated the presence of the anterolateral ligament in only one of eight specimens; therefore, much about the prevalence and anatomy of the anterolateral ligament in pediatric specimens remains unknown...
October 31, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27729320/overlap-between-anterior-cruciate-ligament-and-anterolateral-meniscal-root-insertions-a-scanning-electron-microscopy-study
#7
Brett D Steineman, Samuel G Moulton, Tammy L Haut Donahue, Cristián A Fontboté, Christopher M LaPrade, Tyler R Cram, Chase S Dean, Robert F LaPrade
BACKGROUND: The anterolateral meniscal root (ALMR) has been reported to intricately insert underneath the tibial insertion of the anterior cruciate ligament (ACL). Previous studies have begun to evaluate the relationship between the insertion areas and the risk of iatrogenic injuries; however, the overlap of the insertions has yet to be quantified in the sagittal and coronal planes. PURPOSE: To investigate the insertions of the human tibial ACL and ALMR using scanning electron microscopy (SEM) and to quantify the overlap of the ALMR insertion in the coronal and sagittal planes...
October 11, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27709038/bicruciate-knee-ligament-reconstruction-using-4-all-anterior-arthroscopic-portals
#8
Robert Petretta, Vipul Mandalia
The use of an accessory posteromedial portal for posterior cruciate ligament reconstruction in bicruciate knee ligament reconstruction has often been described. However, the use of a posteromedial portal can be time consuming and has some inherent risks including injury to the saphenous vein or nerve. We describe our bicruciate knee ligament reconstruction using 4 exclusively anterior portals including a high anteromedial, high anterolateral, low anteromedial, and low anterolateral portals. Arthroscopy is performed using a combination of 30° and 70° arthroscopes...
August 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27709023/percutaneous-reconstruction-of-the-anterolateral-ligament-of-the-knee-with-a-polyester-tape
#9
Ahmad M Wagih, Ahmed M F Elguindy
Recent advances in surgeons' understanding of the anatomic, biomechanical, and radiologic features of the anterolateral ligament (ALL) of the knee have led to an increased interest in reconstruction of this structure as part of the management of knee instability. Even without any technical flaws and proper positioning of the bone tunnels, there is a small subset of patients, approximately 7% of all patients, who experience some residual anterolateral rotational instability after anterior cruciate ligament reconstruction...
August 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27707852/microstructural-and-mechanical-properties-of-the-posterior-cruciate-ligament-a-comparison-of-the-anterolateral-and-posteromedial-bundles
#10
Jon O Wright, Nathan W Skelley, Reid P Schur, Ryan M Castile, Spencer P Lake, Robert H Brophy
BACKGROUND: The microstructural organization (collagen fiber alignment) of the posterior cruciate ligament (PCL), which likely corresponds with its functional properties, has only been described qualitatively in the literature, to our knowledge. The goal of this study was to quantify the tensile mechanical and microstructural properties of the PCL and compare these qualities between the anterolateral and posteromedial bundles. METHODS: Twenty-two knee specimens from 13 donors (8 male and 5 female; mean age [and standard deviation] at the time of death, 43...
October 5, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27699439/historical-perspective-on-the-discovery-of-the-anterolateral-ligament-of-the-knee
#11
Etienne Cavaignac, David Ancelin, Philippe Chiron, Jean-Louis Tricoire, Karine Wytrykowski, Marie Faruch, Elodie Chantalat
: There is a lively debate about the existence, origins and discoverer of the anterolateral ligament of the knee. The complex anatomy of the lateral aspect of the knee has made it difficult to differentiate between various structures such as the iliotibial band, capsulo-osseous layer, Kaplan's fibres and the anterolateral capsule. The "discovery" of a new anterolateral structure in 2013 was the culmination of many historical studies. In 1879, Paul Ferdinand Segond described a tibial plateau fracture in which he noted a pearly band reinforcing the joint capsule...
October 3, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27697184/editorial-commentary-addressing-the-anterolateral-side-of-an-anterior-cruciate-ligament-deficient-knee-the-controversy-is-getting-even-more-interesting
#12
Michael J Rossi
Evidence is building to support consideration of anterolateral knee reconstruction in the anterior cruciate ligament-deficient knee with a high-grade pivot shift or participation in a high-risk sport. As the pendulum swings back to the future with the extra-articular augmentation, our anticipation should be tempered by cautious interpretation of the results as the controversy unfolds.
October 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27663034/in%C3%A2-vivo-anterolateral-ligament-length-change-in-the-healthy-knee-during-functional-activities-a-combined-magnetic-resonance-and-dual-fluoroscopic-imaging-analysis
#13
Willem A Kernkamp, Samuel K Van de Velde, Ali Hosseini, Tsung-Yuan Tsai, Jing-Sheng Li, Ewoud R A van Arkel, Guoan Li
PURPOSE: To measure the in vivo anterolateral ligament (ALL) length change in healthy knees during step-up and sit-to-stand motions. METHODS: Eighteen healthy knees were imaged using magnetic resonance and dual fluoroscopic imaging techniques during a step-up and sit-to-stand motion. The ALL length change was measured using the shortest three-dimensional wrapping path, with its femoral attachment located slightly anterior-distal (ALL-Claes) or posterior-proximal (ALL-Kennedy) to the fibular collateral ligament attachment...
September 20, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27662848/segond-fracture-an-mr-evaluation-of-146-patients-with-emphasis-on-the-avulsed-bone-fragment-and-what-attaches-to-it
#14
Dyan V Flores, Edward Smitaman, Brady K Huang, Donald L Resnick
OBJECTIVE: To re-evaluate the Segond fragment emphasizing those structures that attach to the fragment in patients with reported acute/subacute anterior cruciate ligament (ACL) injuries, and to clarify the nomenclature used to describe these structures. MATERIALS AND METHODS: A search of databases of knee MR examinations over 4.5 years with reported ACL tears yielded 19,726 studies. Using strict exclusion criteria, a total of 146 MR studies with acute/subacute ACL tears were re-assessed with respect to the Segond fragment's size, shape, orientation, location, displacement, attaching soft tissue structures, and associated osseous and/or soft tissue injuries...
September 24, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27660599/sonographic-and-magnetic-resonance-imaging-examination-of-a-cyclops-lesion-after-anterior-cruciate-ligament-reconstruction-a-case-report
#15
Stacey M Cornelson, Alicia M Yochum, Norman W Kettner
OBJECTIVE: This case report describes magnetic resonance imaging (MRI) and diagnostic ultrasound (US) findings for a patient with arthrofibrosis related to a complication of anterior cruciate ligament (ACL) reconstruction. CLINICAL FEATURES: A 25-year old man presented with right knee pain and loss of extension 5 years after ACL reconstruction. MRI and sonographic examination revealed a soft tissue mass anterolateral to the ACL graft consistent with a cyclops lesion...
September 2016: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/27631644/kinematics-of-acl-and-anterolateral-ligament-part-i-combined-lesion
#16
T Bonanzinga, C Signorelli, A Grassi, N Lopomo, L Bragonzoni, S Zaffagnini, M Marcacci
PURPOSE: To quantify the influence of ALL lesions on static and dynamic laxity in ACL-deficient knee. METHODS: The study was performed in 10 fresh-frozen knees. The joints were analysed in the following conditions: intact, ACL resection and ACL + ALL resection. Testing parameters were defined as: anterior displacement at 30° and 90° of flexion (AP30, AP90) applying a manual-maximum load; internal rotation at 30° and 90° of flexion (INT30, INT90) applying a 5 N m torque and internal rotation and acceleration during manual pivot-shift (PS) test...
September 8, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27627716/partial-versus-intact-posterior-cruciate-ligament-retaining-total-knee-arthroplasty-a-comparative-study-of-early-clinical-outcomes
#17
Bo Zhang, Cheng-Kung Cheng, Tie-Bing Qu, Yong Hai, Yuan Lin, Jiang Pan, Zhi-Wei Wang, Liang Wen
OBJECTIVE: Whether the entire posterior cruciate ligament (PCL) should be retained during cruciate-retaining total knee arthroplasty (CR TKA) is controversial. The goal of this study was to compare the early clinical outcomes of partial versus intact PCL-retaining TKA. METHODS: Ninety-two patients who had undergone unilateral CR TKA from March 2012 to June 2013 were enrolled in this study. Forty-six of these patients were randomly selected to undergo intact PCL-retaining TKA (intact group), whereas the remaining 46 patients underwent tibial osteotomy together with anterolateral bundle and bone island resection (partial group)...
August 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/27624543/anterolateral-ligament-of-the-fetal-knee-an-anatomic-and-histological-study
#18
Camilo Partezani Helito, Julio Augusto do Prado Torres, Marcelo Batista Bonadio, José Aderval Aragão, Lucas Nogueira de Oliveira, Renato José Mendonça Natalino, José Ricardo Pécora, Gilberto Luis Camanho, Marco Kawamura Demange
BACKGROUND: The anterolateral ligament (ALL) of the knee has recently been described in detail. Most studies of the ALL have been conducted in adults; therefore, little is known about the anatomy and histology of the ALL in younger patients, and nothing is known about the fetal presence of the ALL. PURPOSE: To evaluate the ALL in human fetuses to determine its presence or absence and to describe its microscopic anatomy and histological features compared with the findings of studies conducted in adults...
September 13, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27595080/anterolateral-meniscofemoral-ligament-of-the-lateral-meniscus
#19
Young-Mo Kim, Yong-Bum Joo, Kyu-Woong Yeon, Ki-Young Lee
Anatomical variations of the meniscus are a common anomaly that knee surgeons frequently encounter. However, anomalies of the anterior horn of the lateral meniscus (AHLM) are extremely rare. In this report, we present a newly discovered anomaly of the AHML: an anterolateral meniscofemoral ligament is described with clinical features and radiographic and arthroscopic findings.
September 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27517028/reconstruction-of-anterior-cruciate-ligament-and-anterolateral-ligament-using-interlinked-hamstrings-technical-note
#20
Marcio de Castro Ferreira, Flavio Ferreira Zidan, Francini Belluci Miduati, Caio Cesar Fortuna, Bruno Moreira Mizutani, Rene Jorge Abdalla
Recent anatomical and biomechanical studies on the anterolateral ligament (ALL) of the knee have shown that this structure has an important function in relation to joint stability, especially when associated with anterior cruciate ligament (ACL) injury. However, the criteria for its reconstruction have not yet been fully established and the surgical techniques that have been described present variations regarding anatomical points and fixation materials. This study presents a reproducible technique for ALL and ACL reconstruction using hamstring tendons, in which three interference screws are used for fixation...
July 2016: Revista Brasileira de Ortopedia
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