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https://www.readbyqxmd.com/read/29456566/is-application-of-kinesio-tape-to-treat-hyperlordosis-more-effective-on-abdominal-muscles-or-hamstrings
#1
Sara Abolahrari Shirazi, Farzaneh Moslemi Haghighi, Seyedeh Mahshid Alavi, Fahimeh Freiydoon Nezhad, Farahnaz Emami
Background: Hyperlordosis is defined as an abnormal increase in the lumbar arch of >40°. This study compared two taping techniques include abdominal muscles and hamstrings taping for the treatment of lumbar hyperlordosis. Materials and Methods: The randomized clinical trial was performed in Shiraz, Iran, during June and September 2014. Thirty women aged 20-45 years old with at least 40° lumbar lordosis participated. The women were randomized into two groups ( n = 15)...
2018: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/29453931/comparison-of-return-to-pre-injury-sport-after-10-mm-size-bone-patellar-tendon-bone-bptb-versus-8-mm-hamstring-anterior-cruciate-ligament-reconstruction-a-retrospective-study-with-a-two-year-follow-up
#2
Rimtautas Gudas, Rokas Jurkonis, Alfredas Smailys
BACKGROUND The aim of this study was to evaluate the reconstruction of a torn anterior cruciate ligament (ACL) with 10 mm diameter BPTB (bone-patellar tendon-bone) autograft versus 8 mm HT (hamstring tendon) autografts, to compare the ability to restore pre-injury sports activities and reduce revision risk after these procedures. MATERIAL AND METHODS A prospective clinical review was performed to compare results of patients who underwent primary anatomical ACLR with 10 mm BPTB autografts with patients who underwent 8 mm diameter HT autografts, between January 2011 and January 2014...
February 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29449205/infographic-impact-of-the-nordic-hamstring-and-hip-extension-exercises-on-hamstring-architecture-and-morphology-implications-for-injury-prevention
#3
Matthew N Bourne, David Pope, Steven J Duhig, Ryan G Timmins, Morgan D Williams, Aiman Al Najjar, Graham K Kerr, Anthony J Shield
No abstract text is available yet for this article.
February 15, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29445330/non-neural-muscle-weakness-has-limited-influence-on-complexity-of-motor-control-during-gait
#4
Marije Goudriaan, Benjamin R Shuman, Katherine M Steele, Marleen Van den Hauwe, Nathalie Goemans, Guy Molenaers, Kaat Desloovere
Cerebral palsy (CP) and Duchenne muscular dystrophy (DMD) are neuromuscular disorders characterized by muscle weakness. Weakness in CP has neural and non-neural components, whereas in DMD, weakness can be considered as a predominantly non-neural problem. Despite the different underlying causes, weakness is a constraint for the central nervous system when controlling gait. CP demonstrates decreased complexity of motor control during gait from muscle synergy analysis, which is reflected by a higher total variance accounted for by one synergy (tVAF1 )...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29443537/a-randomized-clinical-trial-to-evaluate-attached-hamstring-anterior-cruciate-ligament-graft-maturity-with-magnetic-resonance-imaging
#5
Shaohua Liu, Hong Li, Hongyue Tao, Yaying Sun, Shiyi Chen, Jiwu Chen
BACKGROUND: The hamstring tendons are commonly harvested for anterior cruciate ligament (ACL) reconstruction with detachment of the tibial insertion. Retaining the insertion may help to preserve vascularity and viability of the graft and bypass the stages of avascular necrosis and revascularization, which might be beneficial to graft maturity. PURPOSE: To investigate and compare graft maturity by magnetic resonance imaging (MRI) after ACL reconstruction with preservation or detachment of hamstring tendon tibial insertion at up to 2 years...
February 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29440951/double-whip-stitch-for-free-graft-femoral-fixation-in-acl-reconstruction-experimental-study-on-porcine-model
#6
Cristian Tudor Buescu, Cristian Mircea Dudescu, Sergiu Caterev, Dan Gheorghe Osvald Lucaciu
Background and aims: Using free quadriceps tendon graft for anterior cruciate ligament (ACL) reconstruction has become more popular in the last years due to the low morbidity at the harvest site and biomechanical and structural properties similar to other types of graft (hamstring and patellar tendons). As long as the tibial tunnel fixation with interference screws is considered the standard fixation, femoral fixation is still an open subject. Even though the most common type of femoral tunnel fixation are the cortical suspension devices, the type of suture used for tying the graft to the loop is still evaluated and discussed...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29432323/changes-in-motor-coordination-induced-by-local-fatigue-during-a-sprint-cycling-task
#7
Niels-Peter Brøchner Nielsen, François Hug, Arnaud Guével, Floren Colloud, Julien Lardy, Sylvain Dorel
PURPOSE: This study investigated how muscle coordination is adjusted in response to a decrease in the force-generating capacity of one muscle group during a sprint cycling task. METHODS: Fifteen participants were tested during a sprint before and after a fatigue electromyostimulation protocol was conducted on the quadriceps of one leg. Motor coordination was assessed by measuring myoelectrical activity, pedal force and joint power. RESULTS: The decrease in force-generating capacity of the quadriceps (-28...
February 9, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29431559/the-effects-of-filter-cutoff-frequency-on-musculoskeletal-simulations-of-high-impact-movements
#8
Sebastian Tomescu, Ryan Bakker, Tyson A C Beach, Naveen Chandrashekar
Estimation of muscle forces through musculoskeletal simulation is important in understanding human movement and injury. Unmatched filter frequencies used to low-pass filter marker and force platform data can create artifacts during inverse dynamics analysis, but their effects on muscle force calculations are unknown. The objective of this study was to determine the effects of filter cutoff frequency on simulation parameters and magnitudes of lower extremity muscle and resultant joint contact forces during a high-impact maneuver...
February 12, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29430675/ultrasound-elastographic-measurement-of-sciatic-nerve-displacement-and-shear-strain-during-active-and-passive-knee-extension
#9
Richard Ellis, Maheswaran Rohan, James Fox, Juvena Hitt, Helene Langevin, Sharon Henry
There is current need for objective measures of sciatic nerve mobility in patients with sciatic-type pain. The objective of the study was to assess the feasibility and reliability of ultrasound elastography to quantify sciatic nerve displacement and shear strain at the sciatic nerve-hamstring muscle interface during active and passive knee extension-flexion exercises performed while sitting in healthy people. Ultrasound elastography showed excellent intrarater within-session reliability for assessing sciatic nerve displacement and sciatic nerve-hamstring muscle interface shear strain during active knee extension-flexion exercises...
February 12, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29430496/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-acl-reconstruction-with-hamstring-tendon-autograft-a-comparison-between-oblique-and-vertical-incisions
#10
Hamid Mousavi, Mohammad Mohammadi, Hossein Akbari Aghdam
Background: Injury to the infrapatellar branch of the saphenous nerve (IPBSN) is common after arthroscopic ACL reconstruction with hamstring tendon autograft, as reported in up to 88% of the cases. Due to close relationship between the IPBSN with pes anserine tendons insertion skin incision may sever IPBSN while harvesting gracillis and semitendinous tendons. As the IPBSN course at the anterior of knee is oblique, we hypothesized a parallel skin incision with nerve passage may decrease nerve injury...
January 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29430399/associated-reconstruction-of-anterior-cruciate-and-anterolateral-ligaments-with-single-asymmetric-hamstring-tendons-graft
#11
Alejandro Espejo-Baena, Alejandro Espejo-Reina, Abel Gómez-Cáceres, Maria Josefa Espejo-Reina, Jaime Dalla Rosa-Nogales
The anterior cruciate ligament (ACL) rupture is a common disease that accounts for 250,000 cases/year in the United States. The anterolateral ligament (ALL) has been suggested to be an important restraint for rotational instability, and its reconstruction provides a reinforcement to the ACL reconstruction in this aspect, especially in high-demand athletes and in knees with high-grade pivot shift. Different techniques for associated ACL and ALL reconstruction have been described, but the ideal technique remains unclear...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29427125/survival-complications-and-functional-outcomes-of-cemented-megaprostheses-for-high-grade-osteosarcoma-around-the-knee
#12
Chunlin Zhang, Jianping Hu, Kunpeng Zhu, Tao Cai, Xiaolong Ma
PURPOSE: We initiated a retrospective study on the long-term survival of cemented endoprostheses for bone tumours around the knee to answer the following questions: (1) What was the survival of these patients? (2) What was the overall survival of cemented prostheses around the knee? (3) What types of failures were observed in these reconstructions? (4) Did the survival and complications vary according to the site of the implant? (5) What was the functional result after cemented prosthesis replacement around the knee? METHODS: From January 2006 to December 2013, 108 consecutive patients with an average age of 25 years, who had mature bone development as evidenced by imaging examinations, underwent 108 cemented endoprosthetic knee replacements for osteosarcoma resection...
February 9, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29423546/association-between-incision-technique-for-hamstring-tendon-harvest-in-anterior-cruciate-ligament-reconstruction-and-the-risk-of-injury-to-the-infra-patellar-branch-of-the-saphenous-nerve-a-meta-analysis
#13
REVIEW
Alberto Grassi, Francesco Perdisa, Kristian Samuelsson, Eleonor Svantesson, Matteo Romagnoli, Federico Raggi, Teide Gaziano, Massimiliano Mosca, Olufemi Ayeni, Stefano Zaffagnini
PURPOSE: To determine how the incision technique for hamstring tendon (HT) harvest in anterior cruciate ligament (ACL) reconstruction affects the risk of injury to the IPBSN and clinical outcome. METHODS: A systematic literature search of the MEDLINE/Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL) and EBSCOhost electronic databases and clinicaltrials.gov for unpublished studies was performed to identify comparative studies investigating injury to the IPBSN after HT ACL reconstruction by comparing at least two different incision techniques...
February 8, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29423249/muscle-tendon-related-pain-in-100-patients-with-hip-dysplasia-prevalence-and-associations-with-self-reported-hip-disability-and-muscle-strength
#14
Julie Sandell Jacobsen, Per Hölmich, Kristian Thorborg, Lars Bolvig, Stig Storgaard Jakobsen, Kjeld Søballe, Inger Mechlenburg
The primary aim was to identify muscle-tendon-related pain in 100 patients with hip dysplasia. The secondary aim was to test whether muscle-tendon-related pain is associated with self-reported hip disability and muscle strength in patient with hip dysplasia. One hundred patients (17 men) with a mean age of 29 years (SD 9) were included. Clinical entity approach was carried out to identify muscle-tendon-related pain. Associations between muscle-tendon-related pain and self-reported hip disability and muscle strength were tested with multiple regression analysis, including adjustments for age and gender...
January 2018: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29420917/predictive-factors-of-hamstring-tendon-regeneration-and-functional-recovery-after-harvesting-a-prospective-follow-up-study
#15
Mathijs A M Suijkerbuijk, Max Reijman, Edwin H G Oei, Belle L van Meer, Ewoud R A van Arkel, Duncan E Meuffels
BACKGROUND: Semitendinosus and gracilis tendons may regenerate after harvesting for ligament reconstruction procedures. However, predictive factors of tendon regeneration and the extent of functional recovery remain unclear. PURPOSE: To identify predictive factors for hamstring tendon regeneration and to examine the morbidity of nonregenerated hamstring tendons. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Of the 154 patients who were included in a prospective follow-up study, 79 underwent reconstruction of the anterior cruciate ligament entailing the hamstring tendons and met the following inclusion criteria: (1) anterior cruciate ligament rupture diagnosed by physical examination and magnetic resonance imaging (MRI), (2) MRI within 6 months after trauma, (3) age between 18 and 45 years, and (4) 2-year follow-up MRI data available...
February 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29420390/specific-adaptations-in-performance-and-muscle-architecture-after-weighted-jump-squat-vs-body-mass-squat-jump-training-in-recreational-soccer-players
#16
Giuseppe Coratella, Marco Beato, Chiara Milanese, Stefano Longo, Eloisa Limonta, Susanna Rampichini, Emiliano Cè, Angela Valentina Bisconti, F Schena, F Esposito
The aim of the present study was to compare the effects of weighted jump squat (WJST) vs body mass squat jump training (BMSJT) on quadriceps muscle architecture, lower-limb lean-mass (LM) and muscle strength, performance in change of direction (COD), sprint and jump in recreational soccer-players. Forty-eight healthy soccer-players participated in an off-season randomized controlled-trial. Before and after an eight-week training intervention, vastus lateralis pennation angle, fascicle length, muscle thickness, LM, squat 1-RM, quadriceps and hamstrings isokinetic peak-torque, agility T-test, 10 and 30m sprint and squat-jump (SJ) were measured...
February 6, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29416971/biologic-and-mechanical-augmentation-in-anterior-cruciate-ligament-reconstruction-fibrin-clot-augmentation-of-5-strand-hamstring-autograft
#17
Michael H Amini, Juan F Prieto
Hamstring autografts in anterior cruciate ligament reconstruction have an excellent clinical track record, but some patients have hamstring tendons that yield grafts of smaller diameter, which has been shown to be a significant risk factor for worse outcomes and graft failure. Some authors have advocated augmentation with allograft in these patients. Tripling the semitendinosus yields a completely autogenous 5-strand graft with a larger diameter but still of sufficient length. In addition, imaging studies still show signal heterogeneity within grafts, even autografts, after the healing process, which correlates with worse biomechanical properties...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29416962/internal-suture-augmentation-technique-to-protect-the-anterior-cruciate-ligament-reconstruction-graft
#18
Mohamed Aboalata, Ashraf Elazab, Abdelsamie Halawa, Andreas B Imhoff, Yehia Bassiouny
The anterior cruciate ligament suture augmentation technique is a method to augment anterior cruciate ligament reconstruction (ACLR) with autologous hamstring tendons using a braided ultrahigh-molecular weight polyester or polyethylene suture or suture tape and fixed on both the femoral and tibial sides independent of the graft to act as a backup or secondary stabilizer until complete integration and ligamentization of the graft take place. The technique is proposed to allow early rehabilitation and return to sports after ACLR and may be advantageous in patients with a high body mass index and in cases with small grafts (7 or 7...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29413197/editorial-commentary-knee-anterior-cruciate-ligament-hamstring-graft-fixation-wars-continue-does-analysis-of-a-small-fraction-of-the-story-resolve-the-dilemma
#19
EDITORIAL
Ron Clark
After beginning with a search of more than 809 titles and ending up with 5 randomized controlled trials and 2 prospective comparative trials, the authors of a recent systematic review discovered that a statistically significant but nonclinical difference existed between anterior cruciate ligament reconstructions performed using a hamstring graft with either cross-pin or interference screw femoral fixation.
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29413193/editorial-commentary-buckle-up-surgeons-safety-belt-reinforcement-of-knee-anterior-cruciate-ligament-reconstruction-grafts
#20
EDITORIAL
Asheesh Bedi
Safety belt, or cerclage, reinforcement of anterior cruciate ligament (ACL) grafts may protect against various modes of failure including creep and irreversible stretch, traumatic tearing, and slippage of the tendon-bone interface. A time-zero, biomechanical study shows that suture reinforcement may protect small and vulnerable hamstring ACL reconstruction grafts from these various modes of failure. Thus, in vivo comparative outcome analysis is indicated to determine if the benefits of reinforcement translate from the benchtop to the operating room...
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
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