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Acl female

Jared J Murray, Colleen M Renier, Jenny J Ahern, Barbara A Elliott
OBJECTIVE: To document neuromuscular training (NMT) availability and its relationship to anterior cruciate ligament (ACL) injuries in 4 major high school sports by gender, sport, and rural/urban geography, with the hypothesis that increased exposure to NMT would be associated with fewer ACL injuries. DESIGN: A retrospective cohort study. SETTING: All Minnesota high schools identified in the Minnesota State High School League (MSHSL) database for fall 2014 boys' football and soccer, and girls' volleyball and soccer...
October 17, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
E K Greska, N Cortes, S I Ringleb, J A Onate, B L Van Lunen
Previous studies have shown conflicting information regarding leg dominance as an etiological factor for the risk of anterior cruciate ligament (ACL) injuries. It remains unclear if lower extremity neuromechanical limb asymmetries exist in experienced athletes. The purpose of this study was to evaluate lower extremity neuromechanical effects of leg dominance in female collegiate soccer athletes during an unanticipated side-step cutting task. Twenty female collegiate soccer players completed an unanticipated side-step cutting task, using their dominant and non-dominant legs...
October 17, 2016: Scandinavian Journal of Medicine & Science in Sports
Jeong-Ku Ha, Dhong-Won Lee, Jin-Goo Kim
BACKGROUND: Numerous studies have elucidated the functional anatomy and biomechanics of the anterior cruciate ligament (ACL), as a result, double-bundle (DB) ACL reconstruction has received much attention and has become a popular choice because it gives better rotational stability. Many other studies, however, found no differences with respect to stability, and/or other clinical outcomes between the DB and single-bundle (SB) techniques. There is still not enough evidence as to whether the anatomical DB anterior cruciate ligament reconstruction (ACLR) is superior to anatomical SB reconstruction...
September 2016: Indian Journal of Orthopaedics
Ravi Gupta, Gladson David Masih, Gaurav Chander, Vikas Bachhal
BACKGROUND: Despite improvements in instability after anterior cruciate ligament (ACL) reconstruction, associated intraarticular injuries remain a major cause of concern and important prognostic factor for long term results as it may lead to osteoarthritis. Delay in ACL reconstruction has been in variably linked to increase in these injuries but there is lack of consensus regarding optimal timing of reconstruction. The goal of this study was to investigate delay in surgery and other factors, associated with intraarticular injuries in ACL deficient knees...
September 2016: Indian Journal of Orthopaedics
N Bel Feki, S Zayet, I Ben Ghorbel, M-H Houman
The lupus anticoagulant-hypoprothrombinemia syndrome (LA-HPS) - the association of acquired factor II deficiency and lupus anticoagulant - is a rare disease that may cause a predisposition not only to thrombosis but also to severe bleeding. We are reporting on a 36-year-old female patient presenting with co-existing cerebral venous thrombosis and subdural hemorrhage. The coagulation screening showed a prolonged prothrombin time (PT), activated partial thromboplastin time (aPTT), and a normal fibrinogen level and platelet count...
October 12, 2016: Journal des Maladies Vasculaires
Ohannes F Plate, Andrew D Wohler, Matthew L Brown, Daniel Sun, Nora F Fino, Jason E Lang
INTRODUCTION: Stiffness and loss of motion following total knee arthroplasty (TKA) is a complex and multifactorial complication that may require manipulation under anesthesia (MUA). However, patient and surgical factors that potentially influence the development of knee stiffness following TKA are not fully understood. The purpose of this study was to identify patient and surgical factors that may influence range of motion loss following TKA by assessing a cohort of patients that underwent MUA and comparing them to a matched cohort of patients without complications...
October 6, 2016: Surgical Technology International
Masouda Rahim, Sasha Mannion, Blake Klug, Hayden Hobbs, Willem van der Merwe, Michael Posthumus, Malcolm Collins, Alison V September
OBJECTIVES: The extracellular matrix (ECM) of ligaments continuously undergoes remodelling in order to maintain tissue homeostasis. Several key mediators of ECM remodelling were chosen for investigation in the present study. It is thought that polymorphisms within genes encoding signalling molecules may contribute to inter-individual variation in the responses to mechanical loading, potentially altering risk of injury. DESIGN: A genetic association study was conducted on 232 asymptomatic controls (CON) and 234 participants with surgically diagnosed anterior cruciate ligament (ACL) ruptures; of which 135 participants reported a non-contact mechanism of injury (NON subgroup)...
September 28, 2016: Journal of Science and Medicine in Sport
Nicole L Zaino, Mark J Hedgeland, Mario J Ciani, Alexander Martin Clark, Laurel Kuxhaus, Arthur J Michalek
Animal joints are valuable proxies for those of humans in biomechanical studies, however commonly used quadruped knees differ greatly from human knees in scale and morphometry. To test the suitability of the cervine stifle joint (deer knee) as a laboratory model, gross morphometry, ACL cross section, and ACL rupture strength were measured and compared to values previously reported for the knees of humans and commonly studied animals. Twelve knee joints from wild white-tailed deer were tested. Several morphometry parameters, including bicondylar width (53...
October 7, 2016: Annals of Biomedical Engineering
C Lutz, L Baverel, P Colombet, J Cournapeau, F Dalmay, N Lefevre, R Letartre, J-F Potel, X Roussignol, T Cucurulo, E Servien
BACKGROUND: Anterior cruciate ligament (ACL) repair is increasingly performed on an out-patient basis. In France, however, concern about post-operative pain remains a strong barrier to out-patient ACL repair. The primary objective of this study was to compare post-operative pain after ACL repair as out-patient versus in-patient surgery. The secondary objectives were to assess the time-course of post-operative pain and to identify factors associated with pain intensity. MATERIAL AND METHODS: A multicentre, prospective, comparative, non-randomised study was conducted in France for the French Society for Arthroscopy (SFA) symposium...
September 27, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
L Baverel, T Cucurulo, C Lutz, Colombet, J Cournapeau, F Dalmay, N Lefevre, R Letartre, J-F Potel, X Roussignol, L Surdeau, E Servien
INTRODUCTION: More and more anterior cruciate ligament (ACL) reconstructions are being performed as outpatient surgery in France, because of economic considerations. Postoperative pain is the most common reason for delayed discharge that could require hospitalization, and the main reason for unanticipated hospital admission. The purpose of this study was to define the best anesthesia and analgesia methods for ACL reconstruction. MATERIALS AND METHODS: This was a prospective, multicenter, comparative study performed between January 2014 and April 2015...
September 26, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
Robert Csapo, Ramona Folie, Simona Hosp, Michael Hasler, Werner Nachbauer
OBJECTIVES: This study aimed to investigate temperature-related changes in different neuro-muscular parameters, to elucidate the reasons for the increased likeliness of injuries of the anterior cruciate ligament under cold environmental conditions. DESIGN: Repeated measures study design. METHODS: To induce peripheral cooling of the knee joint and thigh muscles, ten healthy, female subjects underwent 30 min of exposure to a cold environment...
July 18, 2016: Physical Therapy in Sport
Mari Leppänen, Kati Pasanen, Urho M Kujala, Tommi Vasankari, Pekka Kannus, Sami Äyrämö, Tron Krosshaug, Roald Bahr, Janne Avela, Jarmo Perttunen, Jari Parkkari
BACKGROUND: Few prospective studies have investigated the biomechanical risk factors of anterior cruciate ligament (ACL) injury. PURPOSE: To investigate the relationship between biomechanical characteristics of vertical drop jump (VDJ) performance and the risk of ACL injury in young female basketball and floorball players. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: At baseline, a total of 171 female basketball and floorball players (age range, 12-21 years) participated in a VDJ test using 3-dimensional motion analysis...
September 16, 2016: American Journal of Sports Medicine
Anh-Dung Nguyena, Emma F Zuka, Andrea L Baellowa, Kate R Pfileb, Lindsay J DiStefanoc, Michelle C Bolingd
CONTEXT: Risk of ACL injuries in young female athletes increases with age, appearing to peak during maturation. Changes in hip muscle strength and range of motion (ROM) during this time may contribute to altered dynamic movement patterns that are known to increase risk of ACL injuries. Understanding the longitudinal changes in hip strength and ROM is needed in order to develop appropriate interventions to reduce the risk of ACL injuries. OBJECTIVE: To examine the longitudinal changes in hip strength and ROM in female youth soccer players...
August 24, 2016: Journal of Sport Rehabilitation
Chase S Dean, Jorge Chahla, Lauren M Matheny, Tyler R Cram, Samuel G Moulton, Grant J Dornan, Justin J Mitchell, Robert F LaPrade
PURPOSE: To document the effectiveness of a novel technique to decrease tibial slope in patients who underwent a proximal opening-wedge osteotomy with an anteriorly sloped plate placed in a posteromedial position. The hypothesis was that posteromedial placement of an anteriorly sloped osteotomy plate with an adjunctive anterior bone staple on the tibia would decrease, and maintain, the tibial slope correction at a minimum of 6 months following the osteotomy. METHODS: All patients who underwent biplanar medial opening-wedge proximal tibial osteotomy with anterior staple augmentation to decrease sagittal plane tibial slope were included, and data were collected prospectively and reviewed retrospectively...
September 9, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
A Z Chowdhury, M M Tarik, I K Kundu, M A Hannan, M G Sarwar, M A Faisal, K N Arifeen, B C Debnath
The meniscus is the most commonly injured structure in the knee joint. Carefully performed clinical examination can give better diagnosis of meniscal tear. The aim of this study was to find out the correlation between clinical and arthroscopic findings in meniscal tear of knee. This cross sectional observational study was conducted in the Department of Orthopaedic Surgery, BSMMU, Dhaka from July 2012 to June 2014. Thirty patients of meniscal tear were selected as per inclusion and exclusion criteria. After proper evaluation and clinical examination of these patient arthroscopic examinations was done under spinal anesthesia...
July 2016: Mymensingh Medical Journal: MMJ
Timothy E Hewett, Gregory D Myer, Kevin R Ford, Mark V Paterno, Carmen E Quatman
Economic and societal pressures influence modern medical practice to develop and implement prevention strategies. Anterior cruciate ligament (ACL) injury devastates the knee joint leading to short term disability and long term sequelae. Due to the high risk of long term osteoarthritis in all treatment populations following ACL injury, prevention is the only effective intervention for this life-altering disruption in knee health. The 'Sequence of Prevention' Model provides a framework to monitor progress towards the ultimate goal of preventing ACL injuries...
September 9, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Carina L Blaker, Christopher B Little, Elizabeth C Clarke
Anterior cruciate ligament (ACL) tears are a common knee injury with a known but poorly understood association with secondary joint injuries and post-traumatic osteoarthritis (OA). Female sex and age are known risk factors for ACL injury but these variables are rarely explored in mouse models of injury. This study aimed to further characterise a non-surgical ACL injury model to determine its clinical relevance across a wider range of mouse specifications. Cadaveric and anaesthetised C57BL/6 mice (9-52 weeks of age) underwent joint loading to investigate the effects of age, sex and body mass on ACL injury mechanisms...
September 7, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Jeremy M Burnham, Michael C Yonz, Kaley E Robertson, Rachelle McKinley, Benjamin R Wilson, Darren L Johnson, Mary Lloyd Ireland, Brian Noehren
OBJECTIVES: Evaluate the relationship of hip and trunk muscle function with the Single Leg Step-Down test (SLSD). STUDY DESIGN: Laboratory study. SETTING: Biomechanics Laboratory. PARTICIPANTS: 71 healthy participants with no history of anterior cruciate ligament (ACL) or lower extremity injury in the last 3 months completed this study (38 males, 33 females; mean 25.49 ± 0.62 years). MAIN OUTCOMES: Hip abduction (HABD), external rotation (HER), and extension (HEXT) peak isometric force were measured...
May 20, 2016: Physical Therapy in Sport
Katie A Ewing, Justin W Fernandez, Rezaul K Begg, Mary P Galea, Peter V S Lee
Anterior cruciate ligament (ACL) injury can be a painful, debilitating and costly consequence of participating in sporting activities. Prophylactic knee bracing aims to reduce the number and severity of ACL injury, which commonly occurs during landing maneuvers and is more prevalent in female athletes, but a consensus on the effectiveness of prophylactic knee braces has not been established. The lower-limb muscles are believed to play an important role in stabilizing the knee joint. The purpose of this study was to investigate the changes in lower-limb muscle function with prophylactic knee bracing in male and female athletes during landing...
October 3, 2016: Journal of Biomechanics
Gene Kim, Bernadette Mele, Karen Myrick, Richard Feinn, Ramon Gonzales, Juan C Garbalosa
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
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