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ACL injurie

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https://www.readbyqxmd.com/read/28646381/stenotic-intercondylar-notch-type-is-correlated-with-anterior-cruciate-ligament-injury-in-female-patients-using-magnetic-resonance-imaging
#1
Theodoros Bouras, Peter Fennema, Stephen Burke, Hilary Bosman
PURPOSE AND HYPOTHESIS: The principal purpose of this paper was to identify whether femoral notch morphology was different in females without anterior cruciate ligament (ACL) injury from those with ACL injury. Magnetic resonance imaging (MRI) was used to assess the femoral notch type, notch width index and 'α angle' in female patients and measure these differences. METHODS: This is a retrospective case control study of 119 female patients, 58 with ACL injury and 61 patients without ACL injury who underwent knee MRI between March 2014 and April 2016...
June 23, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28643103/patient-age-as-a-preoperative-factor-associated-with-tunnel-enlargement-following-double-bundle-anterior-cruciate-ligament-reconstruction-using-hamstring-tendon-autografts
#2
Shinya Yanagisawa, Masashi Kimura, Keiichi Hagiwara, Atsuko Ogoshi, Tomoyuki Nakagawa, Hiroyuki Shiozawa, Takashi Ohsawa
PURPOSE: A few studies have detected associations of post-operative tunnel enlargement with sex, age, and the timing of anterior cruciate ligament reconstruction (ACLR). The aim of the present study was to investigate the correlation between post-operative tunnel enlargement following ACLR using hamstring tendon autografts and preoperative factors. The authors hypothesized that tunnel enlargement is associated with age in patients undergoing ACLR. METHODS: One hundred and six patients (male, n = 57; female, n = 49; mean age, 26...
June 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28638970/ramp-lesions-associated-with-acl-injuries-are-more-likely-to-be-present-in-contact-injuries-and-complete-acl-tears
#3
Romain Seil, Caroline Mouton, Julien Coquay, Alexander Hoffmann, Christian Nührenbörger, Dietrich Pape, Daniel Theisen
PURPOSE: The purpose of this study was to analyse patient and injury characteristics as well as arthroscopic findings in a prospective cohort of ACL-injured patients with or without an associated ramp lesion. METHODS: Two hundred and twenty-four patients undergoing a primary (n = 196) or revision (n = 28) ACL reconstruction were included. The presence of a ramp lesion was determined by a systematic arthroscopic inspection of the posteromedial compartment. Chi-square tests were used to compare the population of ACL-injured patients with and without a ramp lesion regarding sex, age, body mass index, previous ACL injuries, sport before injury, and injury characteristics...
June 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28632776/dynamic-knee-valgus-alignment-influences-impact-attenuation-in-the-lower-extremity-during-the-deceleration-phase-of-a-single-leg-landing
#4
Akihiro Tamura, Kiyokazu Akasaka, Takahiro Otsudo, Jyunya Shiozawa, Yuka Toda, Kaori Yamada
Dynamic knee valgus during landings is associated with an increased risk of non-contact anterior cruciate ligament (ACL) injury. In addition, the impact on the body during landings must be attenuated in the lower extremity joints. The purpose of this study was to investigate landing biomechanics during landing with dynamic knee valgus by measuring the vertical ground reaction force (vGRF) and angular impulses in the lower extremity during a single-leg landing. The study included 34 female college students, who performed the single-leg drop vertical jump...
2017: PloS One
https://www.readbyqxmd.com/read/28632053/the-effect-of-a-secondary-cognitive-task-on-landing-mechanics-and-jump-performance
#5
Boyi Dai, Ross F Cook, Elizabeth A Meyer, Yvonne Sciascia, Taylour J Hinshaw, Chaoyi Wang, Qin Zhu
Anterior cruciate ligament (ACL) injuries commonly occur during jump-landing tasks when individuals' attention is simultaneously allocated to other objects and tasks. The purpose of the current study was to investigate the effect of allocation of attention imposed by a secondary cognitive task on landing mechanics and jump performance. Thirty-eight recreational athletes performed a jump-landing task in three conditions: no counting, counting backward by 1 s from a randomly given number, and counting backward by 7 s from a randomly given number...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28631112/risk-of-revision-was-not-reduced-by-a-double-bundle-acl-reconstruction-technique-results-from-the-scandinavian-registers
#6
Cathrine Aga, Jüri-Tomas Kartus, Martin Lind, Stein Håkon Låstad Lygre, Lars-Petter Granan, Lars Engebretsen
BACKGROUND: Double-bundle anterior cruciate ligament (ACL) reconstruction has demonstrated improved biomechanical properties and moderately better objective outcomes compared with single-bundle reconstructions. This could make an impact on the rerupture rate and reduce the risk of revisions in patients undergoing double-bundle ACL reconstruction compared with patients reconstructed with a traditional single-bundle technique. The National Knee Ligament Registers in Scandinavia provide information that can be used to evaluate the revision outcome after ACL reconstructions...
June 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28628348/relation-between-peak-knee-flexion-angle-and-knee-ankle-kinetics-in-single-leg-jump-landing-from-running-a-pilot-study-on-male-handball-players-to-prevent-acl-injury
#7
Mariam A Ameer, Qassim I Muaidi
OBJECTIVES: The relationship between knee kinematics and knee-ankle kinetics during the landing phase of single leg jumping has been widely studied to identify proper strategies for preventing non-contact ACL injury. However, there is a lack of study on knee-ankle kinetics at peak knee flexion angle during jumping from running. Hence, the purpose of this study is to establish the relationship between peak knee flexion angle, knee extension moment, ankle plantar flexion moment and ground reaction force in handball players in order to protect ACL from excessive stress during single leg jumping...
June 19, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28616755/corr-insights-%C3%A2-does-the-fifa-11-injury-prevention-program-reduce-the-incidence-of-acl-injury-in-male-soccer-players
#8
Albert O Gee
No abstract text is available yet for this article.
June 14, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28612581/surgical-options-for-anterior-cruciate-ligament-reconstruction-in-the-young-child
#9
Meghan J Price, Lionel Lazaro, Frank A Cordasco, Daniel W Green
Injury to the anterior cruciate ligament (ACL) is becoming increasingly common in the skeletally immature population. Historically, there was a reluctance to operate on skeletally immature patients due to potential damage to the physis and subsequent growth disturbances; however, more recently, ACL reconstruction techniques specifically developed for this young population have shown good outcomes and low complication rates. In this article, we briefly discuss the modifiable and non-modifiable risk factors for ACL injury in children, options for conservative management for ACL rupture, and outcomes for delayed operative management...
August 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28610875/identification-and-risk-estimation-of-movement-strategies-during-cutting-maneuvers
#10
Sina David, Igor Komnik, Markus Peters, Johannes Funken, Wolfgang Potthast
OBJECTIVES: Approximately 70% of anterior cruciate ligament (ACL) injuries occur in non-contact situations during cutting and landing maneuvers. Parameters such as footstrike patterns and trunk orientation were found to influence ACL relevant knee loading, however, the relationship between the whole body movement and injury risk is debated. This study identifies whole body movement strategies that increase injury risk, and provides training recommendations to reduce this risk or enable a save return to sports after injury...
May 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28608618/bench-to-bedside-bridge-enhanced-anterior-cruciate-ligament-repair
#11
REVIEW
Gabriel S Perrone, Benedikt L Proffen, Ata M Kiapour, Jakob T Sieker, Braden C Fleming, Martha M Murray
Anterior cruciate ligament (ACL) injuries are one of the most well-known orthopaedic injuries and are treated with one of the most common orthopaedic procedures performed in the United States. This surgical procedure, ACL reconstruction, is successful at restoring the gross stability of the knee. However, the outcomes of ACL reconstruction can be limited by short and long term complications, including muscle weakness, graft rupture and premature osteoarthritis. Thus, new methods of treating this injury are being explored...
June 13, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28605148/effects-of-a-dynamic-core-stability-programme-on-the-biomechanics-of-cutting-manoeuvres-a-randomised-controlled-trial
#12
Enda F Whyte, Chris Richter, Siobhan O'Connor, Kieran A Moran
Deficits in trunk control predict ACL injuries which frequently occur during high risk activities such as cutting. However, no existing trunk control/core stability programme has been found to positively affect trunk kinematics during cutting activities. This study investigated the effectiveness of a 6-week dynamic core stability programme (DCS) on the biomechanics of anticipated and unanticipated side and crossover cutting manoeuvres. Thirty-one male, varsity footballers participated in this randomised controlled trial...
June 12, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28603786/how-anterior-cruciate-ligament-injury-was-averted-during-knee-collapse-in-a-nba-point-guard
#13
Nathan D Schilaty, Nathaniel A Bates, Aaron J Krych, Timothy E Hewett
Non-contact anterior cruciate ligament (ACL) injuries occur with rapid decelerations and pivoting. A recent injury to a high-level National Basketball Association (NBA) player demonstrated neuromuscular control and injury-sparing mechanisms that resulted in only minor ligament injury to the medial collateral ligament. We analyzed biomechanical mechanisms via publically available orthogonal 2-D video to demonstrate how this potential ACL injury was averted. Analysis of the knee injury mechanism demonstrated that the NBA player experienced low ground reaction force, high sagittal plane flexion, and maintenance of frontal plane stability with neuromuscular control...
2017: Ann Musculoskelet Med
https://www.readbyqxmd.com/read/28603610/does-additional-reconstruction-of-the-anterolateral-ligament-during-a-primary-anterior-cruciate-ligament-reconstruction-affect-tibial-rotational-laxity-a-case-series
#14
Rohi Shah, Runveer Singh, Clodagh Dugdale, Guido Geutjens
BACKGROUND: The current evidence suggests that rotational stability in not restored in patients with anterior cruciate ligament (ACL) ruptures, despite reconstructive surgery. The graded pivot-shift is a useful clinical test to delineate extent of ligamentous laxity within the knee. Given its lateralised position, we hypothesized that reconstruction of the anterolateral ligament (ALL) would provide restraint to excessive internal rotation, restoring rotational stability. METHODS: 10 patients with MRI confirmed diagnosis of an isolated ACL rupture were included...
July 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28603569/pediatric-acl-injuries-a-review-of-current-concepts
#15
Vikas Trivedi, Panna Mishra, Deepankar Verma
BACKGROUND: The number of anterior cruciate ligament (ACL) injuries reported in skeletally immature athletes has increased over the past 2 decades. The reasons for this increased rate include the growing number of children and adolescents participating in competitive sports vigorous sports training at an earlier age and greater rate of diagnosis because of increased awareness and greater use of advanced medical imaging. There is a growing need for a consensus and evidence based approach for management of these injuries to frame a dedicated age specific treatment strategy...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28602934/biomechanical-factors-associated-with-pain-and-symptoms-following-anterior-cruciate-ligament-injury-and-reconstruction
#16
Aisia Azus, Hsiang-Ling Teng, Lauren Tufts, Daniel Wu, C Benjamin Ma, Richard B Souza, Xiaojuan Li
BACKGROUND: Few studies have investigated the associations between patient-reported outcome and gait in patients with anterior cruciate ligament (ACL) injury and reconstruction over time. Because there is an association between ACL rupture and the presence of osteoarthritis later in life, a better understanding of these relationships will help to elucidate how patients' gait pattern may affect pain and symptoms, potentially leading to better treatment for or preventing the development of knee OA...
June 8, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28600607/-osteotomies-around-the-knee-for-ligament-insufficiency
#17
REVIEW
M J Feucht, T Tischer
BACKGROUND: The osseous geometry of the lower limb has a significant impact on knee instability after ligament injuries, and osseous malalignment has been shown to be a significant risk factor for the failure of ligament reconstruction procedures. Therefore, osteotomies around the knee have gained importance as a combined or isolated treatment option in the ligament deficient and malaligned knee. In addition to unloading of an arthritic knee compartment, osteotomies are also performed to protect a reconstructed ligament and to stabilize the joint without ligament surgery...
June 9, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28599980/generalized-hypermobility-knee-hyperextension-and-outcomes-after-anterior-cruciate-ligament-reconstruction-prospective-case-control-study-with-mean-6%C3%A2-years-follow-up
#18
Christopher M Larson, Asheesh Bedi, Mark E Dietrich, Jennifer C Swaringen, Corey A Wulf, David M Rowley, M Russell Giveans
PURPOSE: To determine whether generalized hypermobility and contralateral knee hyperextension affect failure rates and patient-related outcomes after anterior cruciate ligament reconstruction (ACLR). METHODS: A total of 226 consecutive patients presenting with acute ACL tears were prospectively evaluated for generalized hypermobility by a modified Beighton criteria. Minimum 2-year follow-up was achieved for 183 knees (81%). Patients underwent ACLR with either bone-patellar-tendon (BPTB) autograft (n = 46), quadrupled hamstring (HT) autograft (n = 85), or allograft tissue (n = 52)...
June 6, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28599111/corrigendum
#19
(no author information available yet)
Krosshaug T, Steffen K, Kristianslund E, et al. The vertical drop jump is a poor screening test for ACL injuries in female elite soccer and handball players: a prospective cohort study of 710 athletes. Am J Sports Med. 2016;44(4):874-883. (Original DOI: 10.1177/0363546515625048 ).
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28594522/skeletally-immature-anterior-cruciate-ligament-injuries-controversies-and-management
#20
Shital N Parikh, Bradley P Jaquith, Christopher M Brusalis, Lauren H Redler, Theodore J Ganley, Mininder S Kocher
At one time, anterior cruciate ligament (ACL) tears in skeletally immature patients were considered rare. The recommended treatment option for skeletally immature patients with ACL tears was to modify activities until skeletal maturity, at which point definitive ACL reconstruction could be safely performed. The management of ACL tears in skeletally immature patients has evolved as a result of the increased frequency of ACL tears in younger patients and an increased awareness for the potential development or worsening of meniscal tears, chondral lesions, and degenerative changes that occur with the "wait-and-fix-later" approach...
February 15, 2017: Instructional Course Lectures
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