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ACL reconstruction and quadriceps

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https://www.readbyqxmd.com/read/27909676/anatomic-double-bundle-anterior-cruciate-ligament-reconstruction-with-a-free-quadriceps-tendon-autograft
#1
Sergiu Caterev, Dan Viorel Nistor, Adrian Todor
Anatomic double-bundle anterior cruciate ligament (ACL) reconstruction aims to restore the 2 functional bundles of the ACL in an attempt to better reproduce the native biomechanics of the injured knee and promote long-term knee health. However, this concept is not fully accepted and is not performed on a standard basis. In addition, the superiority of this technique over the conventional single-bundle technique has been questioned, especially the long-term clinical results. One of the down sides of the double-bundle reconstruction is the complexity of the procedure, with increased risks, operative time, and costs compared with the single-bundle procedure...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27907934/restriction-of-postoperative-joint-loading-in-a-murine-model-of-anterior-cruciate-ligament-reconstruction-botulinum-toxin-paralysis-and-external-fixation
#2
Amir Lebaschi, Xiang-Hua Deng, Nathan W Coleman, Christopher L Camp, Jianchun Zong, Andrew Carbone, Camila B Carballo, Guang-Ting Cong, Zoe M Album, Scott A Rodeo
Control of knee motion in small animal models is necessary to study the effect of mechanical load on the healing process. This can be especially challenging in mice, which are being increasingly used for various orthopedic reconstruction models. We explored the feasibility of botulinum toxin (Botox; Allergan, Dublin, Ireland) paralysis and a newly designed external fixator to restrict motion of the knee in mice undergoing anterior cruciate ligament (ACL) reconstruction. Nineteen C57BL/6 mice were allocated to two groups: (1) Botox group (n = 9) and (2) external fixator group (n = 10)...
December 1, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27836905/electrophysiological-study-of-femoral-nerve-function-after-a-continuous-femoral-nerve-block-for-anterior-cruciate-ligament-reconstruction-a-randomized-controlled-single-blind-trial
#3
Kevin Stebler, Robin Martin, Kyle Robert Kirkham, Thierry Küntzer, Istvan Bathory, Eric Albrecht
BACKGROUND: A continuous femoral nerve block (CFNB) is an effective analgesic treatment after anterior cruciate ligament (ACL) reconstruction but may result in transient femoral nerve injuries and quadriceps muscle weakness, which in turn contribute to worsened functional outcomes. PURPOSE: To compare electrophysiological criteria of a femoral nerve injury as well as functional and pain-related outcomes after ACL reconstruction when analgesia was provided by a CFNB or intravenous patient-controlled analgesic of morphine (IV PCA)...
November 11, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27818974/index-of-fatigue-quadriceps-in-soccer-athletes-after-anterior-cruciate-ligament-reconstruction
#4
Maria Luzete Costa Cavalcante, Paulo Renan Lima Teixeira, Tamara Cristina Silva Sousa, Pedro Olavo de Paula Lima, Rodrigo Ribeiro Oliveira
OBJECTIVE: The present study aimed to evaluate the muscle fatigue of the quadriceps muscle in high-performance soccer players undergoing (anterior cruciate ligament) ACL reconstruction. METHODS: We evaluated 17 high-performance soccer players from three professional soccer teams of a state in Brazil from August 2011 to July 2012. All subjects were evaluated between 5.5 and 7 months after ACL reconstruction with a Biodex® isokinetic dynamometer (System 4 Pro) with test protocol CON/CON at 60°/s and 300°/s with 5 and 15 repetitions, respectively...
September 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27811515/anterior-cruciate-ligament-reconstruction-in-pediatric-and-adolescent-patients-using-quadriceps-tendon-autograft
#5
Jay Albright, Ariel Kiyomi Lepon, Stephanie Mayer
Many techniques for reconstruction of pediatric and adolescent anterior cruciate ligament (ACL) ruptures have been described, yet the best technique to reproduce normal kinematics of the knee while causing minimal growth disturbance is not definitively determined. We describe a technique which adapts the Allen Anderson technique for all-inside, all-epiphyseal, anatomic ACL reconstruction. However, this technique uses a novel quadriceps tendon-patellar bone-autograft to provide the best-possible patient outcomes...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27775426/postural-stability-and-responses-to-vibrations-in-patients-after-anterior-cruciate-ligament-surgical-reconstruction
#6
Z Hirjaková, H Šingliarová, D Bzdúšková, J Kimijanová, K Bučková, P Valkovič, F Hlavačka
The aim of the study was to evaluate the effect of surgical reconstruction of anterior cruciate ligament (ACL) on postural stability and responses to lower limb (LL) muscles vibrations. Centre of pressure (CoP) was measured in 17 subjects during stance on firm/foam surface with eyes open/closed and during unilateral vibrations of LL muscles (m. triceps surae - TS, m. quadriceps femoris - Q, m. quadriceps femoris and hamstrings simultaneously - QH). The measurements were performed: 1) preoperatively, 2) six weeks and 3) three months after the reconstruction...
October 24, 2016: Physiological Research
https://www.readbyqxmd.com/read/27553297/factors-affecting-quadriceps-strength-recovery-after-anterior-cruciate-ligament-reconstruction-with-hamstring-autografts-in-athletes
#7
Yuya Ueda, Takehiko Matsushita, Daisuke Araki, Akihiro Kida, Kohei Takiguchi, Yohei Shibata, Kumiko Ono, Rei Ono, Tomoyuki Matsumoto, Koji Takayama, Yoshitada Sakai, Masahiro Kurosaka, Ryosuke Kuroda
PURPOSE: Patients typically return to sports activities 6-12 months after anterior cruciate ligament (ACL) reconstruction, and quadriceps strength has been used as one of the criteria to return to sports activities. The purpose of this study is to identify the factors that affect quadriceps strength recovery after ACL reconstruction with a hamstring tendon autograft 6 months after surgery. METHODS: Isokinetic quadriceps strength at 60°/s was measured preoperatively and 6 months after surgery in 193 athletes who underwent ACL reconstruction with a hamstring tendon autograft...
August 23, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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
#8
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/27532454/asymmetry-and-thigh-muscle-coactivity-in-fatigued-acl-reconstructed-elite-skiers
#9
Matthew J Jordan, Per Aagaard, Walter Herzog
PURPOSE: The acute effects of fatigue on functional inter-limb asymmetry and quadriceps/hamstring muscle activity levels including preparatory co-activation during squat jump takeoff and landing was evaluated in elite alpine ski racers with/without anterior cruciate ligament (ACL) reconstruction (ACLR). METHODS: Twenty-two elite ski racers (ACLR: n=11; Control: n=11) performed an 80-second repeated squat jump test (jump-test) on a dual force plate system with simultaneous electromyography (EMG) recordings in vastus lateralis (VL), vastus medialis (VM), semitendinosus (ST) and biceps femoris (BF)...
August 17, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27465632/a-novel-mass-spring-damper-model-analysis-to-identify-landing-deficits-in-athletes-returning-to-sport-after-acl-reconstruction
#10
Daniel K Schneider, Alli Gokeler, Bert Otten, Kevin R Ford, Timothy E Hewett, Jon Divine, Angelo J Colosimo, Robert S Heidt, Gregory D Myer
A mass-spring-damper model may serve as an extension of biomechanical data from three-dimensional motion analysis and epidemiological data which help to delineate populations at-risk for anterior cruciate ligament (ACL) injuries. The purpose of this study was to evaluate such a model.\Thirty-six ACL reconstruction (ACLR) group subjects and 67 controls (CTRL) completed single-leg drop landing and single-leg broad jump tasks. Landing ground reaction force data were collected and analyzed with a mass-spring damper model...
July 19, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27434085/persistent-muscle-inhibition-after-acl-reconstruction-role-of-reflex-excitability
#11
Matthew S Harkey, Brittney A Luc-Harkey, Adam S Lepley, Terry L Grindstaff, Phillip Gribble, J Troy Blackburn, Jeffrey T Spang, Brian Pietrosimone
PURPOSE: Persistent voluntary quadriceps activation deficits are common following anterior cruciate ligament reconstruction (ACLR), but the direct causes are unclear. The primary purpose of this study was to determine whether spinal reflex excitability deficits are present in individuals with a history of ACLR, and secondarily to determine if spinal reflex excitability predicts which individuals possess full voluntary quadriceps activation. METHODS: One hundred and forty-seven individuals (74 Healthy and 73 ACLR) participated in this cross-sectional, case-control study...
July 18, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27428535/dry-needling-effects-on-activation-and-passive-mechanical-properties-of-the-quadriceps-pain-and-range-during-late-stage-rehabilitation-of-acl-reconstructed-patients
#12
Silvia Ortega-Cebrian, Nicolleta Luchini, Rodney Whiteley
BACKGROUND: Dry needling (DN) is reported to decrease pain and improve functional movements yet the mechanisms remain unclear. Changes in muscle tone and other mechanical properties after DN could contribute to these findings but have not been investigated. OBJECTIVES: Examine EMG and passive mechanical properties of the quadriceps muscle before and after DN. DESIGN: EMG, MyotonPro and clinical measurements were taken pre and post DN. SETTING: Rehabilitation department at Aspetar Sports Medicine Hospital, Qatar...
September 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27423208/development-of-a-test-battery-to-enhance-safe-return-to-sports-after-anterior-cruciate-ligament-reconstruction
#13
Alli Gokeler, Wouter Welling, Stefano Zaffagnini, Romain Seil, Darin Padua
PURPOSE: There is a lack of consensus regarding the appropriate criteria for releasing patients to return to sports (RTS) after anterior cruciate ligament reconstruction (ACLR). A test battery was developed to support decision-making. METHODS: Twenty-eight patients (22 males and 6 females) with a mean age of 25.4 ± 8.2 years participated and were 6.5 ± 1.0 months post-ACLR. All patients followed the same rehabilitation protocol. The test battery used consisted of the following: isokinetic test, 3 hop tests and the jump-landing task assessed with the LESS...
July 16, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27418161/anterior-cruciate-ligament-strain-in-vivo-a-systematic-review
#14
Juan Antonio Luque-Seron, Ivan Medina-Porqueres
CONTEXT: Distinct exercises have been proposed for knee rehabilitation after anterior cruciate ligament (ACL) reconstruction. There is a need to understand ACL strain behavior during different rehabilitation exercises to protect the graft from excessive strain that could interfere with its healing process. OBJECTIVE: To critically review studies that directly measured normal ACL strain in vivo during different movements, conditions, or exercises to gain insight into which of them may produce more strain on the ligament or the ligament graft in the case of reconstructed knees...
September 2016: Sports Health
https://www.readbyqxmd.com/read/27365373/outcomes-of-anatomic-anterior-cruciate-ligament-reconstruction-bone-quadriceps-tendon-graft-versus-double-bundle-hamstring-tendon-graft
#15
Joon Kyu Lee, Sahnghoon Lee, Myung Chul Lee
BACKGROUND: The choice of graft type is an important factor to the outcome of anterior cruciate ligament (ACL) reconstruction. PURPOSE: To compare knee joint stability and functional outcomes of anatomic ACL reconstruction with double-bundle hamstring tendon (DBHT) and bone-quadriceps tendon (BQT) autografts. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Ninety-six patients underwent ACL reconstruction with either DBHT (hamstring group) or BQT autograft (quadriceps group)...
September 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27362929/femoral-nerve-block-after-anterior-cruciate-ligament-reconstruction
#16
Robert A Magnussen, Kristy Pottkotter, Stephanie Di Stasi, Mark V Paterno, Samuel C Wordeman, Laura C Schmitt, David C Flanigan, Christopher C Kaeding, Timothy E Hewett
Femoral nerve block (FNB) has been proposed for pain control following anterior cruciate ligament (ACL) reconstruction. Although numerous studies have assessed the efficacy of FNBs, there has been little to no research into the effect of such blocks on postoperative strength and patient-reported outcomes. We hypothesized that performance of an FNB would result in decreased quadriceps strength and poorer patient-reported outcome scores within the first 6 months following ACL reconstruction. A total of 30 patients scheduled to undergo hamstring autograft ACL reconstruction following an acute ACL injury were randomized to a single-shot FNB group or a control group...
June 30, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27361697/impact-quadriceps-strengthening-on-quadriceps-function-and-patient-reported-outcomes-after-acl-reconstruction-3128-board-193-june-3-2-00-pm-3-30-pm
#17
Christopher Kuenze, Adam Kelly, Moataz Eltoukhy
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360924/quadriceps-muscle-quality-does-not-reflect-self-report-or-muscle-function-in-individuals-with-acl-reconstruction-2099-board-251-june-2-2-00-pm-3-30-pm
#18
Tory Blackburn, Brian Pietrosimone, Matthew Harkey, Brittney Luc, Derek Pamukoff
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360533/resistive-hamstring-quadriceps-co-contraction-training-after-acl-reconstruction-1614-board-267-june-2-8-00-am-9-30-am
#19
Gulcan Harput, Burak Ulusoy, Hamza Ozer, Gul Baltaci
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27349715/liposomal-bupivacaine-versus-femoral-nerve-block-for-pain-control-after-anterior-cruciate-ligament-reconstruction-a-prospective-randomized-trial
#20
Kelechi R Okoroha, Robert A Keller, Nathan E Marshall, Edward K Jung, Nima Mehran, Eric Owashi, Vasilios Moutzouros
PURPOSE: To compare femoral nerve block (FNB) versus local liposomal bupivacaine (LB) for pain control in patients undergoing anterior cruciate ligament (ACL) reconstruction. METHODS: Eighty-five patients undergoing primary ACL reconstruction were assessed for participation. We performed a prospective randomized trial in accordance with the CONSORT (Consolidated Standards of Reporting Trials) 2010 statement. The study arms included either intraoperative local infiltration of LB (20 mL of bupivacaine/10 mL of saline solution) or preoperative FNB with a primary outcome of postoperative pain levels (visual analog scale) for 4 days...
September 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
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