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assessment anterior cross ligament

Marie E Boo, J Craig Garrison, Joseph P Hannon, Kalyssa M Creed, Shiho Goto, Angellyn N Grondin, James M Bothwell
Background: Female patients are more likely to suffer a second anterior cruciate ligament (ACL) injury after ACL reconstruction (ACLR) and return to sport (RTS) compared with healthy female controls. Few studies have examined the energy absorption contribution (EAC) that could lead to this subsequent injury. Hypothesis: The ACLR group would demonstrate an altered EAC between joints (hip, knee, and ankle) but no difference in quadriceps, hip abduction, or hip external rotation (ER) strength at the time of RTS...
March 2018: Orthopaedic Journal of Sports Medicine
Paolo Missori, Maurizio Domenicucci, Daniele Marruzzo
BACKGROUND: Removing the posterior longitudinal ligament in cervical corpectomy is a controversial issue: it is unclear whether the risks are counterbalanced by clinical benefits. Another unexplored topic is whether the width of the corpectomy affects outcome. METHODS: This cross-sectional retrospective study included consecutive patients that underwent cervical corpectomy for spondylosis by 6 different neurosurgeons. We compared two groups, where the posterior longitudinal ligament was either removed (N=15 patients) or preserved (N=21 patients)...
March 3, 2018: World Neurosurgery
Birgit Friedmann-Bette, Francesca Profit, Thomas Gwechenberger, Nadine Weiberg, Mario Parstorfer, Marc-Andre Weber, Nikolaus Streich, Alexander Barié
PURPOSE: Protracted quadriceps muscle atrophy is observed after anterior cruciate ligament reconstruction (ACL-R). The aim of this study was to assess if quadriceps strength training with eccentric overload (CON/ECC) is more efficient to induce muscle regeneration after ACL-R than conventional concentric/eccentric (CON/ECC) strength training. METHODS: Biopsies from the vastus lateralis muscle were obtained from 37 recreational athletes after 12 weeks of regular rehabilitation following ACL-R and again after 12 weeks with twice a week either conventional CON/ECC (n = 16) or CON/ECC (n = 21) one-legged supervised leg-press training...
January 31, 2018: Medicine and Science in Sports and Exercise
Nicky van Melick, Bart M Meddeler, Thomas J Hoogeboom, Maria W G Nijhuis-van der Sanden, Robert E H van Cingel
CONTEXT: Since decades leg dominance is suggested to be important in rehabilitation and return to play in athletes with anterior cruciate ligament injuries. However, an ideal method to determine leg dominance in relation to task performance is still lacking. OBJECTIVE: To test the agreement between self-reported and observed leg dominance in bilateral mobilizing and unilateral stabilizing tasks, and to assess whether the dominant leg switches between bilateral mobilizing tasks and unilateral stabilizing tasks...
2017: PloS One
Brian M Devitt, Taylor Hartwig, Haydn Klemm, Filip T Cosic, James Green, Kate E Webster, Julian A Feller, Joseph F Baker
Background: The internet is a valuable tool, but concerns exist regarding the quality and accuracy of medical information available online. Purpose: To evaluate the source and quality of information on the internet relating to anterolateral ligament reconstruction (ALLR) compared with anterior cruciate ligament reconstruction (ACLR). Study Design: Cross-sectional study. Methods: A questionnaire was administered to 50 ACLR patients in Australia to determine their use of the internet to research their operation and their familiarity with the anterolateral ligament (ALL) of the knee...
December 2017: Orthopaedic Journal of Sports Medicine
Claudio A B de Lira, Naryana C Mascarin, Valentine Z Vargas, Rodrigo L Vancini, Marília S Andrade
Background: Anterior cruciate ligament injury is higher in soccer athletes as compared to athletes of other sports. Risk factors for anterior cruciate ligament injury include low knee hamstring/quadriceps strength ratio and bilateral strength deficits. Purpose: To investigate isokinetic thigh muscles strength, hamstring/quadriceps strength ratio, and bilateral strength comparisons in athletes who participate in professional soccer, futsal, and beach soccer. Study Design: Cross-sectional study...
December 2017: International Journal of Sports Physical Therapy
Atul K Taneja, Frederico C Miranda, Marco K Demange, Marcelo P Prado, Durval C B Santos, Laercio A Rosemberg, Ronaldo H Baroni
PURPOSE: To determine if posterior cruciate ligament (PCL) and intercondylar notch (IN) morphometries and volumetrics act as risk factors for anterior cruciate ligament (ACL) tears. METHODS: A prospective case-controlled magnetic resonance imaging (MRI) study was conducted with subjects presenting noncontact knee injuries. Exclusion criteria were previous surgery, PCL tear, osteoarthritis, tumors, or infectious and inflammatory conditions. All participants underwent a flexed-knee 3-dimensional (3D) magnetic resonance imaging (MRI) to uniformly straighten PCL...
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Luke G Perraton, Michelle Hall, Ross A Clark, Kay M Crossley, Yong-Hao Pua, Tim S Whitehead, Hayden G Morris, Adam G Culvenor, Adam L Bryant
PURPOSE: Poor knee function after anterior cruciate ligament reconstruction (ACLR) may increase the risk of future knee symptoms and knee osteoarthritis via abnormal knee joint loading patterns, particularly during high-impact activity. This study aimed to assess the relationship between poor self-reported or clinically measured knee function and knee moments/vertical ground reaction force (vGRF) in individuals following ACLR. METHODS: 61 participants (mean 16.5 ± 3 months following ACLR, 23 women) completed a patient-reported knee function questionnaire and three hop tests (% of uninvolved limb)...
February 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Ted Sueyoshi, Akihiro Nakahata, Gen Emoto, Tomoki Yuasa
Background: Isokinetic strength and hop tests are commonly used to assess athletes' readiness to return to sport after knee surgery. Purpose/Hypothesis: The purpose of this study was to investigate the results of single-leg hop and isokinetic knee strength testing in athletes who underwent anterior cruciate ligament reconstruction (ACLR) upon returning to sport participation as well as to study the correlation between these 2 test batteries. The secondary purpose was to compare the test results by graft type (patellar tendon or hamstring)...
November 2017: Orthopaedic Journal of Sports Medicine
Felix Fischer, Cornelia Blank, Tobias Dünnwald, Peter Gföller, Elmar Herbst, Christian Hoser, Christian Fink
Background: Isokinetic strength testing is an important tool in the evaluation of the physical capacities of athletes as well as for decision making regarding return to sports after anterior cruciate ligament (ACL) reconstruction in both athletes and the lay population. However, isokinetic testing is time consuming and requires special testing equipment. Hypothesis: A single-jump test, regardless of leg dominance, may provide information regarding knee extension strength through the use of correlation analysis of jump height and peak torque of isokinetic muscle strength...
November 2017: Orthopaedic Journal of Sports Medicine
Ian J Dempsey, Grant E Norte, Matthew Hall, John Goetschius, Lindsay V Slater, Jourdan M Cancienne, Brian C Werner, David R Diduch, Joseph M Hart
CONTEXT: Post-operative rehabilitation is critical to optimize outcomes after anterior cruciate ligament reconstruction (ACLR). However, the relationship between physical therapy (PT) and clinical outcomes is unclear. OBJECTIVE: To describe PT characteristics following ACLR, and assess the relationships between PT characteristics, surgical procedure, and clinical outcomes. DESIGN: Cross-sectional. SETTING: Laboratory...
November 15, 2017: Journal of Sport Rehabilitation
Bin Hu, Weiliang Shen, Chenhe Zhou, Jiahong Meng, Haobo Wu, Shigui Yan
PURPOSE: To compare the effectiveness of a cross pin and interference screw for femoral graft fixation in primary anterior cruciate ligament reconstruction (ACLR) and provide an appropriate reference for orthopaedic surgeons. METHODS: The Medline, Cochrane Library, Web of Science, Scopus, and PubMed databases were searched in March 2016, and comparative trials using cross-pin and interference screw devices for femoral graft fixation in primary hamstring ACLR with clinical outcome measurements were included in the review...
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Jenny Nae, Mark W Creaby, Gustav Nilsson, Kay M Crossley, Eva Ageberg
Study Design Cross-sectional study. Background Visual rating of postural orientation during functional tasks may be a valuable tool to track rehabilitation progress following anterior cruciate ligament (ACL) injury. A valid test battery assessing postural orientation as a separate construct is lacking. Objectives To evaluate measurement properties of a test battery to assess postural orientation in patients with ACL injury. Methods The content validity of functional tasks was assessed by expert focus group discussions...
November 2017: Journal of Orthopaedic and Sports Physical Therapy
Derek N Pamukoff, Melissa M Montgomery, Tyler J Moffit, Michael N Vakula
PURPOSE: Individuals with anterior cruciate ligament reconstruction (ACLR) are at greater risk for knee osteoarthritis, partially because of chronic quadriceps dysfunction. Articular cartilage is commonly assessed using magnetic resonance imaging and radiography, but these methods are expensive and lack portability. Ultrasound imaging may provide a cost-effective and portable alternative for imaging the femoral cartilage. The purpose of this study was to compare ultrasonography of the femoral cartilage between the injured and uninjured limbs of individuals with unilateral ACLR, and to examine the association between quadriceps function and ultrasonographic measures of femoral cartilage...
February 2018: Medicine and Science in Sports and Exercise
Laryssa Oliveira Silva, Luana Maria Ramos Mendes, Pedro Olavo de Paula Lima, Gabriel Peixoto Leão Almeida
BACKGROUND: Scales to assess the quality of life and return-to-sport after reconstruction of the anterior cruciate ligament (ACL) may help the clinical decision-making process. OBJECTIVE: To cross-culturally adapt and determine the validity of the Brazilian versions of the Anterior Cruciate Ligament Return to Sport after Injury (ACL-RSI) and the Quality of Life Questionnaire (ACL-QoL). METHODS: The process of translation and cross-cultural adaptation followed the recommendations of international guidelines...
September 12, 2017: Brazilian Journal of Physical Therapy
Adam G Culvenor, Brooke E Patterson, Ali Guermazi, Hayden G Morris, Timothy S Whitehead, Kay M Crossley
BACKGROUND: A timely return to competitive sport is a primary goal of anterior cruciate ligament reconstruction (ACLR). It is not known whether an accelerated return to sport increases the risk of early-onset knee osteoarthritis (KOA). OBJECTIVE: To determine whether an accelerated return to sport post-ACLR (ie, <10 months) is associated with increased odds of early KOA features on magnetic resonance imaging (MRI) 1 year after surgery and to evaluate the relationship between an accelerated return to sport and early KOA features stratified by type of ACL injury (isolated or concurrent chondral/meniscal injury) and lower limb function (good or poor)...
September 14, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
David John Saxby, Adam L Bryant, Xinyang Wang, Luca Modenese, Pauline Gerus, Jason M Konrath, Kim L Bennell, Karine Fortin, Tim Wrigley, Flavia M Cicuttini, Christopher J Vertullo, Julian A Feller, Tim Whitehead, Price Gallie, David G Lloyd
BACKGROUND: Prevention of knee osteoarthritis (OA) following anterior cruciate ligament (ACL) rupture and reconstruction is vital. Risk of postreconstruction knee OA is markedly increased by concurrent meniscal injury. It is unclear whether reconstruction results in normal relationships between tibiofemoral contact forces and cartilage morphology and whether meniscal injury modulates these relationships. HYPOTHESES: Since patients with isolated reconstructions (ie, without meniscal injury) are at lower risk for knee OA, we predicted that relationships between tibiofemoral contact forces and cartilage morphology would be similar to those of normal, healthy knees 2 to 3 years postreconstruction...
August 2017: Orthopaedic Journal of Sports Medicine
Ata M Kiapour, Braden C Fleming, Martha M Murray
BACKGROUND: Abnormal joint motion has been linked to joint arthrosis after anterior cruciate ligament (ACL) reconstruction. However, the relationships between the graft properties (ie, structural and anatomic) and extent of posttraumatic osteoarthritis are not well defined. HYPOTHESES: (1) The structural (tensile) and anatomic (area and alignment) properties of the reconstructed graft or repaired ACL correlate with the total cartilage lesion area 1 year after ACL surgery, and (2) side-to-side differences in anterior-posterior (AP) knee laxity correlate with the total cartilage lesion area 1 year postoperatively...
August 2017: Orthopaedic Journal of Sports Medicine
Jung Ho Noh, Jae Woo Lee
Purpose: To assess graft slippage at the site of femoral fixation by follow-up magnetic resonance imaging (MRI) after anterior cruciate ligament (ACL) reconstruction with a four-strand autogenous hamstring tendon using RigidFix (DePuy Mitek). Materials and Methods: Twenty-one subjects diagnosed with ACL rupture underwent ACL reconstruction using hamstring autograft with the transtibial technique. RigidFix was used for femoral fixation and Intrafix and washer screw were used for tibial fixation...
September 1, 2017: Knee Surgery & related Research
Mark E Cinque, Andrew G Geeslin, Jorge Chahla, Gilbert Moatshe, Jonas Pogorzelski, Nicholas N DePhillipo, Robert F LaPrade
PURPOSE: To determine the exact value of side-to-side difference (SSD) in heel height that was associated with combined anterior cruciate ligament (ACL) and fibular collateral ligament (FCL) tears (compared with an isolated ACL tear) and determine the clinical utility of heel height SSD in the assessment of this injury pattern. METHODS: Two patient groups were identified: (1) patients with isolated ACL tears and (2) patients with combined ACL-FCL tears but without additional collateral or cruciate ligament injuries...
December 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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