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https://www.readbyqxmd.com/read/28530157/muscle-secreted-factors-improve-anterior-cruciate-ligament-graft-healing-an-in-vitro-and-in-vivo-analysis
#1
Corina Adriana Ghebes, Nathalie Groen, Yau Chuk Cheuk, Sai Chuen Fu, Hugo Fernandes, Daniel B Saris
One of the ligaments most often damaged during sports - the anterior cruciate ligament (ACL) - has poor healing capacity. Upon damage, reconstructive surgery is performed to restore the mechanical stability of the knee and to reduce the inflammatory milieu otherwise present in the joint. A return to normal activities, however, takes between 9 and 12 months. Thus, strategies capable of improving ACL graft healing are needed. Embryonic development of tendon and ligament (T/L) is regulated by a crosstalk between different cell types...
May 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28515971/prediction-of-functional-movement-screen%C3%A2-performance-from-lower-extremity-range-of-motion-and-core-tests
#2
Nicole J Chimera, Shelby Knoeller, Ron Cooper, Nicholas Kothe, Craig Smith, Meghan Warren
BACKGROUND: There are varied reports in the literature regarding the association of the Functional Movement Screen™ (FMS™) with injury. The FMS™ has been correlated with hamstring range of motion and plank hold times; however, limited research is available on the predictability of lower extremity range of motion (ROM) and core function on FMS™ performance. PURPOSE/HYPOTHESES: The purpose of this study was to examine whether active lower extremity ROM measurements and core functional tests predict FMS™ performance...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28514510/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-tendon-graft-harvesting-for-knee-ligament-reconstruction-an-ultrasound-simulation-study
#3
Przemysław A Pękala, Ewa Miza, Brandon Michael Henry, Patrick Popieluszko, Marios Loukas, Krzysztof A Tomaszewski
INTRODUCTION: The clinical anatomy of the infrapatellar branch of the saphenous nerve (IPBSN) is of particular importance during operations in the area of the knee, especially when material for anterior cruciate ligament reconstruction is harvested. The nerve can easily be injured during the harvesting procedure, leading to postoperative complications that reduce quality of life. Three different skin incisions are commonly used during hamstring tendon harvesting: horizontal, vertical, and oblique...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28508295/mri-based-tendon-bone-healing-is-related-to-the-clinical-functional-scores-at-the-first-year-after-anterior-cruciate-ligament-reconstruction-with-hamstring-tendon-autograft
#4
Hong-Yun Li, Hong Li, Zi-Ying Wu, Ji-Wu Chen, Shi-Yi Chen
PURPOSE: The correlation between tendon bone healing and clinical functional scores after anterior cruciate ligament reconstruction (ACLR) using four-stranded hamstring tendon autograft has rarely being reported. The purpose of this study was to determine the correlation between magnetic resonance imaging (MRI)-based tendon bone healing and clinical functional scores after ACLR using hamstring tendon. METHODS: Thirty-eight patients with ACLR using four-stranded hamstring tendon autograft were included in this prospective study in the authors' hospital from 2013 to 2014...
May 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28507970/a-new-technique-for-surgical-treatment-of-proximal-hamstring-tendinopathy-in-a-triathlon-athlete
#5
Lincoln Paiva Costa, Antônio Augusto Guimarães Barros, Carlos Cesar Vassalo, Bertrand Sonnery-Cottet, Victor Atsushi Kasuya Barbosa, Eduardo Frois Temponi
INTRODUCTION: Proximal hamstring tendinopathy (PHT) is the result of chronic overload caused by repetitive eccentric contraction. Surgical treatment becomes an option for patients with chronic symptoms that do not respond to conservative treatment. CASE REPORT: This report describes a case of a 48-year-old man, an amateur triathlete, with deep gluteal pain in the left hip for 12 months, leading to a decline in sports performance. Magnetic resonance imaging revealed abnormalities that suggested a PHT...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28507370/a-comparative-study-of-dynamic-soft-tissue-mobilization-vs-passive-stretching-technique-to-improve-the-flexibility-of-hamstrings-in-cricket-players
#6
Mohsin Abbas, Muhammad Salman Bashir, Rabiya Noor
Different therapies are available for correcting the tightness of hamstring muscles. Objective of this study was to compare the effectiveness of Dynamic Soft Tissue Mobilization DSTM technique and Passive Stretching PS to improve the flexibility of tight hamstrings in cricket players. A total of 120 cricket players having tightness of hamstrings were enrolled and randomized into two groups A and B using lottery method. Group-A was treated with DSTM and group-B with PS to improve the flexibility of hamstrings...
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28498225/rehabilitation-and-prevention-of-proximal-hamstring-tendinopathy
#7
Nicholas R Beatty, Ioonna Félix, Jessica Hettler, Peter J Moley, James F Wyss
Proximal hamstring tendinopathy (PHT) comprises a small but significant portion of hamstring injuries in athletes, especially runners. PHT is a chronic condition that is clinically diagnosed but can be supported with imaging. The main presenting complaint is pain in the lower gluteal or ischial region that may or may not radiate along the hamstrings in the posterior thigh. There is little scientific evidence on which to base the rehabilitation management of PHT. Treatment is almost always conservative, with a focus on activity modification, addressing contributing biomechanical deficiencies, effective tendon loading including eccentric training, and ultrasound-guided interventional procedures which may facilitate rehabilitation...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28495045/deterioration-in-gait-and-functional-ambulation-in-children-and-adolescents-with-charcot-marie-tooth-disease-over-12-months
#8
Rachel Kennedy, Kate Carroll, Kade L Paterson, Monique M Ryan, Jennifer L McGinley
Children and adolescents with Charcot-Marie-Tooth disease (CMT) report problems with gait. Little is known about gait changes over time in children with this degenerative disease. This prospective longitudinal study investigated change in spatio-temporal gait parameters and functional ambulation. Two assessments were conducted 12 months apart. Assessments included: barefoot gait on an electronic walkway; functional ambulation with a six minute walk test and the Functional Mobility Scale; and disease severity with the CMT Pediatric Scale...
April 19, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28488622/family-with-ehlers-danlos-syndrome-combined-classic-and-vascular-type-with-rare-presentation-of-progressive-myopathy-and-unusual-association-of-severe-facial-and-trigeminal-motor-weakness
#9
A Nalini, N Devaraddi, N Gayathri, Chandrajit Prasad, V Preethish-Kumar, K Polavarapu, S Shantanu
We report the clinical, radiological, biochemical, muscle histology, and electron microscopic features of two members of a family with combined Ehlers-Danlos syndrome (EDS) [classic and vascular type] and progressive myopathy as the primary manifestation. A 35-year old lady presented with severe gluteal and thigh muscle pain and easy fatigability for 5 years. She developed weakness and wasting of pelvic and pectoral girdles and thighs for 3 years and severe neck flexor and truncal weakness for 6 months. She had a history of recurrent jaw dislocation, easy bruising with hyperpigmentation, hyperextensibility of joints, translucent skin, and papyraceous scars...
May 2017: Neurology India
https://www.readbyqxmd.com/read/28487221/neurophysiological-insights-on-flexibility-improvements-through-motor-imagery
#10
Thiago Ferreira Dias Kanthack, Aymeric Guillot, Charalambos Papaxanthis, Théophile Guizard, Christian Collet, Franck Di Rienzo
The efficacy of motor imagery (MI) practice to facilitate muscle stretching remains controversial and the underlying neurophysiological mechanisms unexplored. We evaluated the effects of MI practice during a sit-and-reach task. Healthy participants were randomly assigned to a MI practice (n=15) or Control (n=15) group and completed 2 blocks of 5 sit-and-reach trials. During the first block (B1), participants performed 5 maximal stretching trials of 10s. During the second block (B2), trials were divided into two consecutive parts: i) reproducing the maximum performance of B1 (10s, B2 part 1), and ii) attempting to outperform the maximum performance of B1 (10s, B2 part 2)...
May 6, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28484908/in-out-versus-out-in-technique-for-acl-reconstruction-a-prospective-clinical-and-radiological-comparison
#11
Edoardo Monaco, Mattia Fabbri, Andrea Redler, Raffaele Iorio, Jacopo Conteduca, Giuseppe Argento, Andrea Ferretti
BACKGROUND: Several studies have recently shown better restoration of normal knee kinematics and improvement of rotator knee stability after reconstruction with higher femoral tunnel obliquity. The aim of this study is to evaluate tunnel obliquity, length, and posterior wall blowout in single-bundle anterior cruciate ligament (ACL) reconstruction, comparing the transtibial (TT) technique and the out-in (OI) technique. MATERIALS AND METHODS: Forty consecutive patients operated on for ACL reconstruction with hamstrings were randomly divided into two groups: group A underwent a TT technique, while group B underwent an OI technique...
May 8, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28484857/muscle-architectural-properties-in-the-common-marmoset-callithrix-jacchus
#12
Naomichi Ogihara, Motoharu Oishi, Ryogo Kanai, Hikaru Shimada, Takahiro Kondo, Kimika Yoshino-Saito, Junichi Ushiba, Hideyuki Okano
The common marmoset, Callithrix jacchus, is a small New World monkey that has recently gained attention as an important experimental animal model in the field of neuroscience as well in rehabilitative and regenerative medicine. This attention reflects the closer phylogenetic relationship between humans and common marmosets compared to that between humans and other experimental animals. When studying the neuronal mechanism behind various types of neurological motor disorders using the common marmoset, possible differences in muscle parameters (e...
May 8, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28477270/there-is-no-difference-between-quadriceps-and-hamstring-tendon-autografts-in-primary-anterior-cruciate-ligament-reconstruction-a-2-year-patient-reported%C3%A2-outcome-study
#13
Armin Runer, Guido Wierer, Elmar Herbst, Caroline Hepperger, Mirco Herbort, Peter Gföller, Christian Hoser, Christian Fink
PURPOSE: Graft choice for anterior cruciate ligament (ACL) reconstruction is crucial, however the optimal graft source remains a topic of controversy. The purpose of this study is to compare subjective and functional patient-reported outcomes (PRO) after single-bundle ACL reconstruction using quadriceps tendon (QT) or hamstring tendon (HT) autografts for single-bundle ACL reconstruction. We hypothesize that there is no difference in patient-reported functional outcomes after ACL reconstruction using either HT- or QT autograft...
May 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28476902/holistic-hamstring-health-not-just-the-nordic-hamstring-exercise
#14
EDITORIAL
Aiden J Oakley, Jacob Jennings, Chris J Bishop
No abstract text is available yet for this article.
May 5, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28476359/editorial-commentary-size-does-matter-anterior-cruciate-ligament-graft-diameter-affects-biomechanical-and-clinical-outcomes
#15
EDITORIAL
Mark Steiner
Anterior cruciate ligament (ACL) graft strength is related to graft diameter and how ACL grafts heal. All grafts appear to lose strength during healing. Clinical studies have documented that hamstring grafts less than 8 mm wide are more vulnerable to failure. Tripling the semitendinosus allows to increase the graft diameter and strength. A recent study documents a semitendinosus tripling technique with excellent clinical results.
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28476209/vacuum-level-effects-on-knee-contact-force-for-unilateral-transtibial-amputees-with-elevated-vacuum-suspension
#16
Hang Xu, Kasey Greenland, Donald Bloswick, Jie Zhao, Andrew Merryweather
The elevated vacuum suspension system (EVSS) has demonstrated unique health benefits for amputees, but the effect of vacuum pressure values on knee contact force (KCF) is still unclear. The objective of this study was to investigate the effect of vacuum levels on KCF for unilateral transtibial amputees (UTA) using the EVSS. Three-dimensional gait was modeled for 9 UTA with five vacuum levels (0-20inHg [67.73kPa], 5inHg [16.93kPa] increments) and 9 non-amputees based on kinematic and ground reaction force data...
April 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28476110/restriction-in-lateral-bending-range-of-motion-lumbar-lordosis-and-hamstring-flexibility-predicts-the-development-of-low-back-pain-a-systematic-review-of-prospective-cohort-studies
#17
Sean G Sadler, Martin J Spink, Alan Ho, Xanne Janse De Jonge, Vivienne H Chuter
BACKGROUND: Low back pain (LBP) is an increasingly common condition worldwide with significant costs associated with its management. Identification of musculoskeletal risk factors that can be treated clinically before the development of LBP could reduce costs and improve the quality of life of individuals. Therefore the aim was to systematically review prospective cohort studies investigating lower back and / or lower limb musculoskeletal risk factors in the development of LBP. METHODS: MEDLINE, EMBASE, AMED, CINAHL, SPORTDiscus, and the Cochrane Library were searched from inception to February 2016...
May 5, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28466182/trends-and-incidences-of-ligament-surgeries-and-osteotomies-of-the-knee-an-analysis-of-german-inpatient-records-2005-2013
#18
Christoph Domnick, Patric Garcia, Michael J Raschke, Johannes Glasbrenner, Georg Lodde, Christian Fink, Mirco Herbort
INTRODUCTION: In Germany most surgical procedures of the ligaments of the knee and correcting osteotomies of the knees are performed within an inpatient setting. The purpose of this study was to analyze the available data to assess epidemiological trends and incidences in inpatient knee joint surgery. MATERIALS AND METHODS: Approximately 154 million anonymized DRG inpatient records were collected by the German Federal Statistical Office between 2005 and 2013. These data were screened and analyzed for knee joint surgical ligamental procedures and osteotomies...
May 2, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28461919/anterior-cruciate-ligament-reconstruction-principles-of-treatment
#19
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 Rev
https://www.readbyqxmd.com/read/28460194/graft-diameter-as-a-predictor-for-revision-anterior-cruciate-ligament-reconstruction-and-koos-and-eq-5d-values-a-cohort-study-from-the-swedish-national-knee-ligament-register-based-on-2240-patients
#20
Thorkell Snaebjörnsson, Eric Hamrin Senorski, Olufemi R Ayeni, Eduard Alentorn-Geli, Ferid Krupic, Fredrik Norberg, Jón Karlsson, Kristian Samuelsson
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction (ACLR) using a hamstring tendon (HT) autograft is an effective and widespread method. Recent studies have identified a relationship between the graft diameter and revision ACLR. PURPOSE: To evaluate the influence of the graft diameter on revision ACLR and patient-reported outcomes in patients undergoing primary ACLR using HT autografts. STUDY DESIGN: Cohort study; Level of evidence, 2...
April 1, 2017: American Journal of Sports Medicine
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