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https://www.readbyqxmd.com/read/29455512/-rapture-of-the-patellar-ligament-and-the-contralateral-femoral-quadriceps-tendon-in-uremia-patients
#1
Hong-Tao Li, De-Bao Zhang, Dong Dong, Gui-Shan Gu
No abstract text is available yet for this article.
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455504/-clinical-effects-of-rehabilitation-exercise-in-the-treatment-of-knee-osteoarthritis-based-on-the-theory-of-treating-muscle-for-bone
#2
An Yan, Kuan Zhang, Wei-Kai Qin, Jiang-Zhou Guo, Ling-Hui Li, Ming Chen, Shang-Quan Wang
OBJECTIVE: To study the efficacy and safety of voluntary rehabilitation exercise in the treatment of knee osteoarthritis, based on the traditional Chinese medicine theory of "treating muscle for bone". METHODS: Ninety participants with early knee osteoarthritis were randomly divided into experimental group ( n =45) and control group ( n =45). Patients in experimental group were treated with voluntary rehabilitation exercise combined with isometric extension of quadriceps femoris...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455305/photobiomodulation-pbm-therapy-at-904-nm-mitigates-effects-of-exercise-induced-skeletal-muscle-fatigue-in-young-women
#3
Renata Luri Toma, Murilo Xavier Oliveira, Ana Cláudia Muniz Renno, E-Liisa Laakso
Muscle fatigue is a process influenced by several mechanisms such as concentration of metabolic substrates, changes in blood flow, and increases in reactive oxygen species that impair contractile muscle function. In this context, photobiomodulation has been investigated for preventing muscle fatigue, with reports of positive effects on muscle performance. This study aimed to investigate the effects of 904-nm LASER photobiomodulation on rectus femoris muscle performance in young women. Eighteen young women participated in a randomized, participant and assessor-blinded crossover trial with placebo control...
February 17, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29447306/knotless-tape-suture-fixation-of-quadriceps-tendon-rupture-a-novel-technique
#4
James M Paci, Amanda Pawlak
Quadriceps tendon ruptures disrupt the extensor mechanism of the knee and require urgent surgical management. Traditional repair techniques have had mixed biomechanical and clinical results risking weakness and extensor lag. We describe a novel technique using tape suture and knotless anchors, which has performed superiorly during biomechanical testing and yielded terrific early clinical results.
January 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29447083/in-complete-sci-patients-long-term-functional-electrical-stimulation-of-permanent-denervated-muscles-increases-epidermis-thickness
#5
Giovanna Albertin, Christian Hofer, Sandra Zampieri, Michael Vogelauer, Stefan Löfler, Barbara Ravara, Diego Guidolin, Caterina Fede, Damiana Incendi, Andrea Porzionato, Raffaele De Caro, Alfonc Baba, Andrea Marcante, Francesco Piccione, Paolo Gargiulo, Amber Pond, Ugo Carraro, Helmut Kern
Our studies have shown that atrophic Quadriceps muscles from spinal cord injury patients suffering with permanent denervation-induced atrophy and degeneration of muscle fibers, were almost completely rescued to normal size after two years of home-based functional electrical stimulation (h-bFES). Because we used surface electrodes to stimulate the muscle, we wanted to know how the skin was affected by the treatments. Here, we report preliminary data from histological morphometry of Hematoxylin-Eosin-stained paraffin-embedded skin sections harvested from the legs of three SCI patients before and after two years of h-bFES...
February 15, 2018: Neurological Research
https://www.readbyqxmd.com/read/29444794/spontaneous-bilateral-quadriceps-tendon-rupture-in-a-patient-with-renal-failure
#6
Varaprasad Naga Vemuri, Manchikanti Venkatesh, Venkataramana Kada, Sunitha Vellathussery Chakkalakkoombil
No abstract text is available yet for this article.
February 14, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29441450/photobiomodulation-improves-motor-response-in-patients-with-spinal-cord-injury-submitted-to-electromyographic-evaluation-randomized-clinical-trial
#7
Fernanda Cordeiro da Silva, Andréa Oliver Gomes, Paulo Roberto da Costa Palácio, Fabiano Politti, Daniela de Fátima Teixeira da Silva, Raquel Agnelli Mesquita-Ferrari, Kristianne Porta Santos Fernandes, Sandra Kalil Bussadori
Photobiomodulation is a treatment that has been widely used in neurotrauma and neurodegenerative diseases. In the present study, low-level laser therapy was administered to patients with spinal cord injury. Twenty-five individuals were divided into two groups: placebo photobiomodulation plus physiotherapy and active photobiomodulation plus physiotherapy. Electromyographic evaluations were performed before and after 12 sessions of phototherapy as well as 30 days after the end of treatment. In the active phototherapy group, median frequency values of the brachial biceps and femoral quadriceps muscles were higher at rest and during isotonic contraction 30 days after photobiomodulation (p = 0...
February 13, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29440993/increasing-agrin-function-antagonizes-muscle-atrophy-and-motor-impairment-in-spinal-muscular-atrophy
#8
Marina Boido, Elena De Amicis, Valeria Valsecchi, Marco Trevisan, Ugo Ala, Markus A Ruegg, Stefan Hettwer, Alessandro Vercelli
Spinal muscular atrophy (SMA) is a pediatric genetic disease, characterized by motor neuron (MN) death, leading to progressive muscle weakness, respiratory failure, and, in the most severe cases, to death. Abnormalities at the neuromuscular junction (NMJ) have been reported in SMA, including neurofilament (NF) accumulation at presynaptic terminals, immature and smaller than normal endplates, reduced transmitter release, and, finally, muscle denervation. Here we have studied the role of agrin in SMAΔ7 mice, the experimental model of SMAII...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29440951/double-whip-stitch-for-free-graft-femoral-fixation-in-acl-reconstruction-experimental-study-on-porcine-model
#9
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/29438851/redox-responses-are-preserved-across-muscle-fibres-with-differential-susceptibility-to-aging
#10
Neil T Smith, Ana Soriano-Arroquia, Katarzyna Goljanek-Whysall, Malcolm J Jackson, Brian McDonagh
Age-related loss of muscle mass and function is associated with increased frailty and loss of independence. The mechanisms underlying the susceptibility of different muscle types to age-related atrophy are not fully understood. Reactive oxygen species (ROS) are recognised as important signalling molecules in healthy muscle and redox sensitive proteins can respond to intracellular changes in ROS concentrations modifying reactive thiol groups on Cysteine (Cys) residues. Conserved Cys residues tend to occur in functionally important locations and can have a direct impact on protein function through modifications at the active site or determining protein conformation...
February 10, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29435737/clinical-determinants-of-incremental-shuttle-walk-test-in-adults-with-bronchiectasis
#11
Sulenur Yildiz, Deniz Inal-Ince, Ebru Calik-Kutukcu, Naciye Vardar-Yagli, Melda Saglam, Hulya Arikan, Lutfi Coplu
INTRODUCTION: Exercise capacity is impaired in patients with bronchiectasis. Incremental shuttle walk test (ISWT) stresses cardiorespiratory system physiologically to symptom-limited maximal exercise capacity. The purpose of this study was to investigate the clinical determinants of ISWT in adults with non-cystic fibrosis (CF) bronchiectasis. METHODS: Forty-one clinically stable bronchiectasis patients aged 18-72 years (27 females, 14 males) participated in the study...
February 12, 2018: Lung
https://www.readbyqxmd.com/read/29433467/effect-of-tendon-vibration-during-wide-pulse-neuromuscular-electrical-stimulation-nmes-on-muscle-force-production-in-people-with-spinal-cord-injury-sci
#12
Vanesa Bochkezanian, Robert U Newton, Gabriel S Trajano, Amilton Vieira, Timothy S Pulverenti, Anthony J Blazevich
BACKGROUND: Neuromuscular electrical stimulation (NMES) is commonly used in skeletal muscles in people with spinal cord injury (SCI) with the aim of increasing muscle recruitment and thus muscle force production. NMES has been conventionally used in clinical practice as functional electrical stimulation (FES), using low levels of evoked force that cannot optimally stimulate muscular strength and mass improvements, and thus trigger musculoskeletal changes in paralysed muscles. The use of high intensity intermittent NMES training using wide-pulse width and moderate-intensity as a strength training tool could be a promising method to increase muscle force production in people with SCI...
February 13, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29432721/vastus-lateralis-motor-unit-firing-rate-is-higher-in-females-with-patellofemoral-pain
#13
Alessio Gallina, Michael A Hunt, Paul Hodges, S Jayne Garland
OBJECTIVE: To compare neural drive, determined from motor unit firing rate, to the vastus medialis and lateralis in females with and without patellofemoral pain. DESIGN: Cross-sectional study. SETTING: University research laboratory. PARTICIPANTS: Females (N=56) 19-35 years old, 36 with patellofemoral pain and 20 controls. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE(S): Participants sustained an isometric knee extension contraction at 10% of their maximal voluntary effort for 70s...
February 9, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29432323/changes-in-motor-coordination-induced-by-local-fatigue-during-a-sprint-cycling-task
#14
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/29431597/effect-of-movement-velocity-during-resistance-training-on-muscle-specific-hypertrophy-a-systematic-review
#15
Daniel A Hackett, Timothy B Davies, Rhonda Orr, Kenny Kuang, Mark Halaki
Currently, it is unclear whether manipulation of movement velocity during resistance exercise has an effect on hypertrophy of specific muscles. The purpose of this systematic review of literature was to investigate the effect of movement velocity during resistance training on muscle hypertrophy. Five electronic databases were searched using terms related to movement velocity and resistance training. Inclusion criteria were randomised and non-randomised comparative studies; published in English; included healthy adults; used dynamic resistance exercise interventions directly comparing fast training to slower movement velocity training; matched in prescribed intensity and volume; duration ≥4 weeks; and measured muscle hypertrophy...
February 12, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29431559/the-effects-of-filter-cutoff-frequency-on-musculoskeletal-simulations-of-high-impact-movements
#16
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/29430392/surgical-technique-to-bring-down-the-patellar-height-and-to-reconstruct-the-tendon-for-chronic-patellar-tendon-rupture
#17
Kengo Harato, Shu Kobayashi, Kazuhiko Udagawa, Yu Iwama, Ko Masumoto, Hiroyuki Enomoto, Yasuo Niki
Although surgical treatment is the gold standard for chronic patellar tendon rupture, the technique of patellar tendon reconstruction is still difficult. Basically, good clinical results of surgical repair for acute patellar tendon rupture have been reported. However, the results of reconstructive surgery for chronic patellar tendon rupture are still inconsistent. Some surgical options have been previously reported. For example, surgeons need to choose between 1- and 2-stage reconstruction. Furthermore, contralateral bone-tendon-bone graft, ipsilateral semitendinosus tendon graft, Achilles tendon allograft, and an artificial ligament have been used to reconstruct the patellar tendon...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29426312/anterior-cruciate-ligament-reconstruction-with-quadriceps-tendon-patellar-bone-allograft-matched-case-control-study
#18
Yoon-Ho Kwak, Sahnghoon Lee, Myung Chul Lee, Hyuk-Soo Han
BACKGROUND: Quadriceps tendon-patellar bone (QTPB) autograft is an excellent graft option with good clinical outcome. Use of QTPB autografts have increased because they minimize donor-site morbidity including anterior knee pain, while providing adequate mechanical strength. Although, there were many clinical results about allografts that used in anterior cruciate ligament (ACL) reconstruction, it have never been reported about the clinical outcome of ACL reconstruction with QTPB allograft...
February 9, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29425326/test-retest-reliabilty-of-exercise-induced-hypoalgesia-after-aerobic-exercise
#19
Henrik Bjarke Vaegter, Daniel Bandholtz Dørge, Kristian Sonne Schmidt, Anders Haagen Jensen, Thomas Graven-Nielsen
Objective: Exercise increases pressure pain thresholds (PPTs) in exercising and nonexercising muscles, known as exercise-induced hypoalgesia (EIH). No studies have investigated the test-retest reliability of change in PPTs after aerobic exercise. Primary objectives were to compare the effect on PPTs after an incremental bicycling exercise compared with quiet rest and to investigate the relative and absolute test-retest reliability of the test stimulus (PPT) and the absolute and relative EIH response in exercising and nonexercising muscles...
February 7, 2018: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29423545/improved-walking-distance-and-range-of-motion-predict-patient-satisfaction-after-tka
#20
Stefaan Van Onsem, Matthias Verstraete, Sebastiaan Dhont, Bert Zwaenepoel, Catherine Van Der Straeten, Jan Victor
PURPOSES: The focus in the evaluation of total knee arthroplasty has shifted from objective measures of implant position and knee function, to patient-reported outcome measures (PROMs). The relation between these two measures was investigated and the possibility of prediction of the patient satisfaction level was evaluated by defining thresholds for improvement of (1) range of motion (ROM), (2) 6-min walk test (6MWT), (3) sit-to-stand test (STS) and (4) quadriceps force after TKA? METHODS: Fifty-seven patients were prospectively tested at preoperative and 6 months postoperative intervals...
February 8, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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