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ACL papers

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25 papers 25 to 100 followers
https://www.readbyqxmd.com/read/29234557/the-diagnostic-accuracy-of-the-lever-sign-for-detecting-anterior-cruciate-ligament-injury
#1
Edward P Mulligan, Amanda Anderson, Seth Watson, Robert J Dimeff
Background: An alternative physical examination procedure for evaluating the integrity of the anterior cruciate ligament (ACL) has been proposed in the literature but has not been validated in a broad population of patients with a symptomatic complaint of knee pain for its diagnostic value. Purpose: To investigate the diagnostic accuracy of the Lever Sign to detect ACL tears and compare the results to Lachman testing in both supine and prone positions. Study design: Prospective, blinded, diagnostic accuracy study...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29158953/retention-of-movement-technique-implications-for-primary-prevention-of-acl-injuries
#2
Wouter Welling, Anne Benjaminse, Alli Gokeler, Bert Otten
Background: Retention of movement technique is crucial in anterior cruciate ligament (ACL) injury prevention programs. It is unknown if specific instructions or video instructions result in changes in kinematic and kinetic measures during a relatively short training session, and in a retention test one week later. Hypothesis/Purpose: The purpose was to determine the effects of verbal external focus (EF), verbal internal focus (IF) and video instructions (VI) on landing technique (i...
November 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29051898/accuracy-of-the-lever-sign-test-in-the-diagnosis-of-anterior-cruciate-ligament-injuries
#3
Keith A Jarbo, David E Hartigan, Kelly L Scott, Karan A Patel, Anikar Chhabra
BACKGROUND: The lever sign test is a new physical examination tool to diagnose anterior cruciate ligament (ACL) tears. Preliminary results suggest almost 100% sensitivity and specificity to diagnose acute and chronic complete ACL tears and clinically significant partial tears as compared with magnetic resonance imaging (MRI). PURPOSE: To assess the sensitivity and specificity of the lever sign test for the diagnosis of acute ACL injuries, as compared to MRI. We also aimed to determine the accuracy of the lever sign test compared with 3 other tests (anterior drawer, Lachman, and pivot shift) when performed by providers of various training levels, and with the patient awake or under anesthesia...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29065622/effects-of-two-fatigue-protocols-on-impact-forces-and-lower-extremity-kinematics-during-drop-landings-implications-for-noncontact-anterior-cruciate-ligament-injury
#4
Rui Xia, Xini Zhang, Xi Wang, Xiaole Sun, Weijie Fu
The purpose of the study was to determine the effects of fatigue on the impact forces and sagittal plane kinematics of the lower extremities in a drop landing task. 15 male collegiate athletes were recruited. Five successful trials of a drop landing task were obtained during prefatigue and postfatigue in two fatigue protocols (constant speed running fatigue protocol [R-FP] and shuttle running + vertical jumping fatigue protocol [SV-FP]). Duration time, maximal heart rate, and RPE of each protocol were measured separately...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/28987873/hip-joint-biomechanics-in-those-with-and-without-post-traumatic-knee-osteoarthritis-after-anterior-cruciate-ligament-injury
#5
E Wellsandt, J A Zeni, M J Axe, L Snyder-Mackler
BACKGROUND: Anterior cruciate ligament injury results in altered kinematics and kinetics in the knee and hip joints that persist despite surgical reconstruction and rehabilitation. Abnormal movement patterns and a history of osteoarthritis are risk factors for articular cartilage degeneration in additional joints. The purpose of this study was to determine if hip joint biomechanics early after anterior cruciate ligament injury and reconstruction differ between patients with and without post-traumatic knee osteoarthritis 5years after reconstruction...
December 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28983841/evidence-based-concepts-for-prevention-of-knee-and-acl-injuries-2017-guidelines-of-the-ligament-committee-of-the-german-knee-society-dkg
#6
Julian Mehl, Theresa Diermeier, Elmar Herbst, Andreas B Imhoff, Thomas Stoffels, Thore Zantop, Wolf Petersen, Andrea Achtnich
INTRODUCTION: Knee injuries and especially anterior cruciate ligament (ACL) tears are frequent in athletes. Therefore, primary and secondary prevention of sports-related lower limb injuries is an ongoing topic of interest. The aim of present study was to establish guidelines for the prevention of knee and ACL injuries on the basis of evidence-based concepts represented in current literature. METHODS: A comprehensive literature review regarding prevention programs for knee and ACL injuries was conducted...
January 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29028445/return-to-sport-specific-performance-after-primary-anterior-cruciate-ligament-reconstruction-a-systematic-review
#7
Nicholas G Mohtadi, Denise S Chan
BACKGROUND: Physicians counseling athletes on the prognosis of sport-specific performance outcomes after anterior cruciate ligament reconstruction (ACLR) depend on the published literature. However, critical appraisal of the validity and biases in these studies is required to understand how ACLR affects an athlete's ability to return to sport, the athlete's sport-specific performance, and his or her ability to achieve preinjury levels of performance. PURPOSE: This review identifies the published prognostic studies evaluating sport-specific performance outcomes after ACLR...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28039125/mechanisms-of-acl-injury-in-professional-rugby-union-a-systematic-video-analysis-of-36-cases
#8
Connor Montgomery, Jeff Blackburn, Daniel Withers, Gregory Tierney, Cathal Moran, Ciaran Simms
BACKGROUND: The mechanisms of ACL injury in rugby are not well defined. AIM: To describe the mechanisms of ACL injury in male professional rugby players using systematic video analysis. METHODS: 36 cases from games played in top professional leagues and international matches were analysed. 5 analysts independently assessed all videos to record the estimated frame/time of initial ground contact, frame/time of ACL tear and a range of play specific variables...
December 30, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28461919/anterior-cruciate-ligament-reconstruction-principles-of-treatment
#9
REVIEW
Nikolaos K Paschos, Stephen M Howell
Anterior cruciate ligament (ACL) reconstruction is one of the most common procedures in sports medicine. Several areas of controversy exist in ACL tear management which have engaged surgeons and researchers in debates towards identifying an ideal approach for these patients.This instructional review discusses the principles of ACL reconstruction in an attempt to provide guidelines and initiate a critical thinking approach on the most common areas of controversy regarding ACL reconstruction.Using high-level evidence from the literature, as presented in randomised controlled trials, systematic reviews, and meta-analyses, operative versus conservative treatment, timing of surgery, and rehabilitation are discussed...
November 2016: EFORT open reviews
https://www.readbyqxmd.com/read/27539507/evidence-based-clinical-practice-update-practice-guidelines-for-anterior-cruciate-ligament-rehabilitation-based-on-a-systematic-review-and-multidisciplinary-consensus
#10
REVIEW
Nicky van Melick, Robert E H van Cingel, Frans Brooijmans, Camille Neeter, Tony van Tienen, Wim Hullegie, Maria W G Nijhuis-van der Sanden
AIM: The Royal Dutch Society for Physical Therapy (KNGF) instructed a multidisciplinary group of Dutch anterior cruciate ligament (ACL) experts to develop an evidence statement for rehabilitation after ACL reconstruction. DESIGN: Clinical practice guideline underpinned by systematic review and expert consensus. DATA SOURCES: A multidisciplinary working group and steering group systematically reviewed the literature and wrote the guideline...
December 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28426251/current-concepts-of-the-anterolateral-ligament-of-the-knee-anatomy-biomechanics-and-reconstruction
#11
Matthew J Kraeutler, K Linnea Welton, Jorge Chahla, Robert F LaPrade, Eric C McCarty
In 1879, Paul Segond described an avulsion fracture (now known as a Segond fracture) at the anterolateral proximal tibia with the presence of a fibrous band at the location of this fracture. Although references to this ligament were occasionally made in the anatomy literature after Segond's discovery, it was not until 2012 that Vincent et al named this ligament what we know it as today, the anterolateral ligament (ALL) of the knee. The ALL originates near the lateral epicondyle of the distal femur and inserts on the proximal tibia near Gerdy's tubercle...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27428644/innovative-video-feedback-on-jump-landing-improves-landing-technique-in-males
#12
RANDOMIZED CONTROLLED TRIAL
Joan Dallinga, Anne Benjaminse, Alli Gokeler, Nelson Cortes, Egbert Otten, Koen Lemmink
Video feedback may be a powerful tool to change biomechanical landing patterns associated with anterior cruciate ligament (ACL) injury risk. This study investigated the effect of video feedback on drop vertical jump (DVJ) landing strategies in team sport athletes. 59 athletes were assigned to a video feedback (VI) or control (CTRL) group. A pretest, 2 training sessions and a posttest were conducted. In both training sessions, video feedback, consisting of a video of the athlete's contour superimposed onto an expert's contour performing the DVJ landing task, was provided to the VI group; the CTRL group did not receive feedback...
February 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27984842/asymmetry-of-inter-joint-coordination-during-single-leg-jump-after-anterior-cruciate-ligament-reconstruction
#13
Yoann Blache, Benoit Pairot de Fontenay, Sebastien Argaud, Karine Monteil
Little is known about the contralateral asymmetry in inter-joint coordination after anterior cruciate ligament reconstruction (ACL-R) during multi-segmental movements. This study aimed to evaluate inter-joint coordination asymmetry between the injured (IL) and non-injured leg (NIL) in patients after ACL-R during single-leg jumping. 12 male patients having undergone ACL-R (7.3 months post-surgery) and 12 healthy males performed maximal vertical single-leg jumps with the right and left leg. The kinematics of each jump were recorded...
February 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28378137/hip-external-rotation-strength-predicts-hop-performance-after-anterior-cruciate-ligament-reconstruction
#14
Paul W Kline, Jeremy Burnham, Michael Yonz, Darren Johnson, Mary Lloyd Ireland, Brian Noehren
PURPOSE: Quadriceps strength and single-leg hop performance are commonly evaluated prior to return to sport after anterior cruciate ligament reconstruction (ACLR). However, few studies have documented potential hip strength deficits after ACLR, or ascertained the relative contribution of quadriceps and hip strength to hop performance. METHODS: Patients cleared for return to sports drills after ACLR were compared to a control group. Participants' peak isometric knee extension, hip abduction, hip extension, and hip external rotation (HER) strength were measured...
April 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28151693/anterolateral-ligament-reconstruction-is-associated-with-significantly-reduced-acl-graft-rupture-rates-at-a-minimum-follow-up-of-2-years-a-prospective-comparative-study-of-502-patients-from-the-santi-study-group
#15
COMPARATIVE STUDY
Bertrand Sonnery-Cottet, Adnan Saithna, Maxime Cavalier, Charles Kajetanek, Eduardo Frois Temponi, Matt Daggett, Camilo Partezani Helito, Mathieu Thaunat
BACKGROUND: Graft failure and low rates of return to sport are major concerns after anterior cruciate ligament (ACL) reconstruction, particularly in a population at risk. PURPOSE: To evaluate the association between reconstruction techniques and subsequent graft rupture and return-to-sport rates in patients aged 16 to 30 years participating in pivoting sports. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: A prospective study of patients undergoing primary ACL reconstruction with a bone-patellar tendon-bone (B-PT-B) graft, quadrupled hamstring tendon (4HT) graft, or hamstring tendon graft combined with anterolateral ligament reconstruction (HT+ALL) was conducted by the Scientific ACL NeTwork International (SANTI) Study Group...
June 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26704804/knee-muscle-activity-during-gait-in-patients-with-anterior-cruciate-ligament-injury-a-systematic-review-of-electromyographic-studies
#16
REVIEW
Sanaz Shanbehzadeh, Mohammad Ali Mohseni Bandpei, Fatemeh Ehsani
PURPOSE: This review compared knee muscle activity between ACL-deficient (ACLD) patients and healthy controls during gait, to find out whether the available electromyography (EMG) studies support Quadriceps (Q-ceps) inhibition or hamstring facilitation during gait in ACLD patients. METHOD: A systematic review was conducted to retrieve the EMG studies of knee muscles during gait in ACLD patients. Cochrane library, PubMed, Medline, Ovid, CINAHL and Science Direct databases were searched entries from 1995 through October 2014 using the terms "anterior cruciate ligament" OR "ACL", "electromyography" Or "EMG" "gait" Or "walking"...
May 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/26704803/predictor-factors-for-lower-extremity-malalignment-and-non-contact-anterior-cruciate-ligament-injuries-in-male-athletes
#17
D Amraee, M H Alizadeh, H Minoonejhad, M Razi, G H Amraee
PURPOSE: The aim of this study was to determine the predictor factors concerning the lower extremity alignment in non-contact anterior cruciate ligament (ACL) injuries among male athletes. METHODS: In a retrospective study, the unilateral navicular drop, the ankle dorsiflexion range of motion (ROM), internal tibia torsion, knee genu recurvatum, quadriceps angle, hip internal and external rotation ROM and hip anteversion were measured in 53 subjects with complete ACL injury and compared with these accepted standard values...
May 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/26701826/knee-control-and-jump-landing-technique-in-young-basketball-and-floorball-players
#18
COMPARATIVE STUDY
M Leppänen, K Pasanen, J-P Kulmala, U M Kujala, T Krosshaug, P Kannus, J Perttunen, T Vasankari, J Parkkari
Poor knee alignment is associated with increased loading of the joints, ligaments and tendons, and may increase the risk of injury. The study purpose was to compare differences in knee kinematics between basketball and floorball players during a vertical drop jump (VDJ) task. We wanted to investigate whether basketball players, whose sport includes frequent jump-landings, exhibited better knee control compared with floorball players, whose sport involves less jumping. Complete data was obtained from 173 basketball and 141 floorball players...
April 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/26694845/clinical-predictors-of-knee-mechanics-at-return-to-sport-after-acl-reconstruction
#19
Paul W Kline, Darren L Johnson, Mary Lloyd Ireland, Brian Noehren
PURPOSE: Despite significant rehabilitation, many athletes experience protracted weakness and faulty mechanics after anterior cruciate ligament reconstruction (ACLR). Clinical tests performed early in rehabilitation, which predict knee mechanics at return-to-sport, are virtually unknown and critically needed to guide clinical decision making. The purpose of this study is to determine if quadriceps strength, Y balance anterior (YB-A) reach distance, and single-leg step-down test performance (SLSD) conducted 3 months post-ACLR are predictive of knee flexion excursion (KFLEX) and knee extensor moment (KEM) during running 6 months post-ACLR...
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/26694486/anterolateral-ligament-of-the-knee-fact-or-fiction
#20
EDITORIAL
Volker Musahl, Ata A Rahnemai-Azar, Carola F van Eck, Daniel Guenther, Freddie H Fu
No abstract text is available yet for this article.
January 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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