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https://www.readbyqxmd.com/read/28809635/-clinical-results-of-endoscopic-treatment-of-greater-trochanteric-pain-syndrome
#1
P Zeman, M Rafi, P Skala, J Zeman, J Matějka, T Pavelka
PURPOSE OF THE STUDY This retrospective study aims to present short-term clinical outcomes of endoscopic treatment of patients with greater trochanteric pain syndrome (GTPS). MATERIAL AND METHODS The evaluated study population was composed of a total of 19 patients (16 women, 3 men) with the mean age of 47 years (19-63 years). In twelve cases the right hip joint was affected, in the remaining seven cases it was the left side. The retrospective evaluation was carried out only in patients with greater trochanteric pain syndrome caused by independent chronic trochanteric bursitis without the presence of m...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28809625/microstructural-changes-of-tensor-fasciae-latae-and-gluteus-medius-muscles-following-total-hip-arthroplasty-a-prospective-trial
#2
M Pumberger, P VON Roth, B Preininger, M Mueller, C Perka, T Winkler
PURPOSE OF THE STUDY Although total hip arthroplasty (THA) is one of the most successful orthopedic operations, the soft tissue trauma towards the periarticular musculature during surgical approaches remains a critical concern. However, the actual microstructural proof of muscle trauma on the level of the myofiber due to the surgical approach has never been claimed. MATERIAL AND METHODS Patients undergoing THA were prospectively enrolled and either operated by a direct lateral (DL) or a anterolateral minimally invasive approach (ALMI)...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28804634/muscle-mri-findings-in-a-one-year-old-girl-with-merosin-deficient-congenital-muscular-dystrophy-type-1a-due-to-lama2-mutation-a-case-report
#3
Yingyin Liang, Guidian Li, Songlin Chen, Rongxing He, Xiangxue Zhou, Yingming Chen, Xue Xu, Ronglan Zhu, Cheng Zhang
The objective of the present study was to characterize the muscle magnetic resonance imaging (MRI) features of a 1-year-old girl with merosin-deficient congenital muscular dystrophy type 1A (MDC1A). Beginning as an infant, this patient exhibited severe hypotonia and proximal weakness, as well as delays in developmental milestones. Her serum creatine kinase levels at 3 months, 8 months and 1 year were 2,959, 1,621 and 1,659 U/l, respectively. Brain MRI indicated symmetric, mild T1WI low, mild T2WI and FLAIR high radial patterns in the white matter of the Cornu posterius of the ventricular lateral...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28797239/nutrient-supply-affects-the-mrna-expression-profile-of-the-porcine-skeletal-muscle
#4
Tainã Figueiredo Cardoso, Raquel Quintanilla, Joan Tibau, Marta Gil, Emilio Mármol-Sánchez, Olga González-Rodríguez, Rayner González-Prendes, Marcel Amills
BACKGROUND: The genetic basis of muscle fat deposition in pigs is not well known. So far, we have only identified a limited number of genes involved in the absorption, transport, storage and catabolism of lipids. Such information is crucial to interpret, from a biological perspective, the results of genome-wide association analyses for intramuscular fat content and composition traits. Herewith, we have investigated how the ingestion of food changes gene expression in the gluteus medius muscle of Duroc pigs...
August 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28794355/characteristic-posterior-dominant-lower-limb-muscle-involvement-in-limb-girdle-muscular-dystrophy-due-to-a-dnajb6-phe93leu-mutation
#5
Yuta Kojima, Yu-Ichi Noto, Daiki Takewaki, Naoki Tokuda, Kensuke Shiga, Ai Hamano, Ikuko Mizuta, Manabu Muranishi, Takashi Kasai, Masanori Nakagawa, Toshiki Mizuno
A 41-year-old man presented with gradually progressing proximal-dominant lower limb atrophy and weakness. His brother, mother and maternal aunt had the same symptoms. A physical examination and muscle imaging (CT and ultrasound) showed selective muscle involvement of the bilateral paraspinal, gluteus and posterior groups of lower limb muscles. Based on the characteristic muscle involvement pattern, the clinical findings and the muscle biopsy results, we made a straightforward diagnosis of limb-girdle muscular dystrophy (LGMD) due to a DNAJB6 Phe93Leu mutation based on a targeted gene analysis...
August 10, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28789998/does-hip-joint-positioning-affect-maximal-voluntary-contraction-in-the-gluteus-maximus-gluteus-medius-tensor-fasciaelatae-and-sartorius-muscles
#6
Jules Bernard, Julien Beldame, Stéphane Van Driessche, Helena Brunel, Thomas Poirier, Patrice Guiffault, Jean Matsoukis, Fabien Billuart
BACKGROUND: Minimally invasive total hip arthroplasty (THA) is presumed to provide functional and clinical benefits, whereas in fact the literature reveals that gait and posturographic parameters following THA do not recover values found in the general population. There is a significant disturbance of postural sway in THA patients, regardless of the surgical approach, although with some differences between approaches compared to controls: the anterior and anterolateral minimally invasive approaches seem to be more disruptive of postural parameters than the posterior approach...
August 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28777275/gait-deviations-in-children-with-osteogenesis-imperfecta-type-i
#7
Christina R Garman, Adam Graf, Joseph Krzak, Angela Caudill, Peter Smith, Gerald Harris
BACKGROUND: Osteogenesis imperfecta (OI) is a congenital connective tissue disorder often characterized by orthopaedic complications that impact normal gait. As such, mobility is of particular interest in the OI population as it is associated with multiple aspects of participation and quality of life. The purpose of the current study was to identify and describe common gait deviations in a large sample of individuals with type I OI and speculate the etiology with a goal of improving function...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28762105/disorganization-of-oligodendrocyte-development-in-the-layer-ii-iii-of-the-sensorimotor-cortex-causes-motor-coordination-dysfunction-in-a-model-of-white-matter-injury-in-neonatal-rats
#8
Yoshitomo Ueda, Sachiyo Misumi, Mina Suzuki, Shino Ogawa, Ruriko Nishigaki, Akimasa Ishida, Cha-Gyun Jung, Hideki Hida
We previously established neonatal white matter injury (WMI) model rat that is made by right common carotid artery dissection at postnatal day 3, followed by 6% hypoxia for 60 min. This model has fewer oligodendrocyte progenitor cells and reduced myelin basic protein (MBP) positive areas in the sensorimotor cortex, but shows no apparent neuronal loss. However, how motor deficits are induced in this model is unclear. To elucidate the relationship between myelination disturbance and concomitant motor deficits, we first performed motor function tests (gait analysis, grip test, horizontal ladder test) and then analyzed myelination patterns in the sensorimotor cortex using transmission electron microscopy (TEM) and Contactin associated protein 1 (Caspr) staining in the neonatal WMI rats in adulthood...
July 31, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28761719/effect-of-a-gluteal-activation-warm-up-on-explosive-exercise-performance
#9
Matt Parr, Phil Db Price, Daniel J Cleather
OBJECTIVES: To evaluate the effect of a gluteal activation warm-up on the performance of an explosive exercise (the high hang pull (HHP)). METHODS: Seventeen professional rugby union players performed one set of three HHPs (with 80% of their one repetition maximum load) following both a control and activation warm-up. Peak electrical activity of the gluteus maximus and medius was quantified using electromyography (EMG). In addition, the kinematics and kinetics of nine players was also recorded using force plate and motion capture technology...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28750972/lower-limb-muscular-activity-during-walking-at-different-speeds-over-ground-versus-treadmill-walking-a-voluntary-response-evaluation
#10
Khosro Khademi-Kalantari, Fatemeh Rahimi, Seyed Majid Hosseini, Alireza Akbarzade Baghban, Shapour Jaberzadeh
OBJECTIVE: To evaluate the overall lower limb muscular activity pattern during treadmill walking compared to over-ground walking. METHODOLOGY: The study was conducted on 25 healthy young females. Surface electromyography was recorded from gastrocnemius, hamstrings, vasti and gluteus medius muscles during walking over-ground and treadmill at 3 different speeds (comfortable, slow and fast). The pattern of muscle activity was compared between two walking conditions at different speeds by the voluntary response index method...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28750971/the-influence-of-physical-fitness-on-pressure-pain-threshold-of-elderly-women
#11
Fábio Marcon Alfieri, Alessandra Rodrigues de Souto Lima, Natália Cristina de Oliveira, Leslie Andrews Portes
Several factors may influence pressure pain threshold (PPT), including physical fitness. However, only a few authors have studied this relationship. The aim of this study was to investigate the relationships between muscle strength, functional capacity (ability to perform physical work and activities of daily living) and PPT in elderly women. This observational cross-sectional study involved 75 healthy women aged between 60 and 75 years. Volunteers underwent an evaluation consisting of anthropometry, functional capacity, muscle strength and PPT assessment by algometry in the following muscles: biceps brachii, flexor carpi ulnaris, flexor carpi radialis, vastus medialis, vastus lateralis and gluteus maximus...
July 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28737243/investigating-the-genetic-regulation-of-the-expression-of-63-lipid-metabolism-genes-in-the-pig-skeletal-muscle
#12
R González-Prendes, R Quintanilla, M Amills
A comprehensive and systematic view of the genetic regulation of lipid metabolism genes is still lacking in pigs. Herewith, we have investigated the genetic regulation of 63 porcine genes with crucial roles in the uptake, transport, synthesis and catabolism of lipids. With this aim, we have performed an expression QTL (eQTL) scan in 104 pigs with available genotypes for the Illumina Porcine SNP60 chip and microarray measurements of gene expression in the gluteus medius muscle. Analysis of the data with gemma software revealed 13 cis- and 18 trans-eQTL modulating the expression of 19 loci...
July 24, 2017: Animal Genetics
https://www.readbyqxmd.com/read/28732494/the-effects-of-therapeutic-hip-exercise-with-abdominal-core-activation-on-recruitment-of-the-hip-muscles
#13
Mandy Ky Chan, Ka Wai Chow, Alfred Ys Lai, Noble Kc Mak, Jason Ch Sze, Sharon Mh Tsang
BACKGROUND: Core stabilization has been utilized for rehabilitation and prevention of lower limb musculoskeletal injuries. Previous studies showed that activation of the abdominal core muscles enhanced the hip muscle activity in hip extension and abduction exercises. However, the lack of the direct measurement and quantification of the activation level of the abdominal core muscles during the execution of the hip exercises affect the level of evidence to substantiate the proposed application of core exercises to promote training and rehabilitation outcome of the hip region...
July 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28728368/assessment-of-frozen-storage-duration-effect-on-quality-characteristics-of-various-horsemeat-muscles
#14
Pil Nam Seong, Hyun Woo Seo, Jin Hyoung Kim, Soo Hyun Cho, Yoon Seok Kim, Beom Young Park, Hoa Van Ba
Objective: The study aimed at assessing the effects of frozen storage duration on quality characteristics, lipid oxidation and sensory quality of various horse muscles. Methods: Five representative muscles: longissimus dorsi (LD), gluteus medius (GM), semimembranosus (SM), biceps femoris (BF) and triceps brachii (TB) at 24 h post-mortem obtained from 28-mo-old Jeju female breed horses (n=8) were used in the present investigation. The muscles were vacuum-packaged and frozen at -20oC for 120, 240 and 360 days...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727051/carotenoid-intake-and-scd-genotype-exert-complementary-effects-over-fat-content-and-fatty-acid-composition-in-duroc-pigs
#15
E Henriquez-Rodriguez, R N Pena, A R Seradj, L Fraile, P Christou, M Tor, J Estany
Nutritional and genetic strategies are needed to enhance intramuscular fat (IMF) and MUFA content without altering carcass leanness. Dietary vitamin A restriction has been suggested to specifically promote IMF, whereas a polymorphism of the () gene has shown to specifically increase MUFA. The purpose of this study was to investigate the combined effects of provitamin A (PVA) carotenoid intake and genotype (>) on hepatic retinoid content and on the liver, muscle (LM and gluteus medius [GM]), and subcutaneous fat (SF) content and fatty acid composition...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726188/a-lncrna-promotes-myoblast-proliferation-by-up-regulating-gh1
#16
Yingwei Yue, Congfei Jin, Mingming Chen, Linlin Zhang, Xinfeng Liu, Wenzhi Ma, Hong Guo
Long noncoding RNAs (lncRNAs) are key regulatory factors for gene expression in a variety of biological processes; however, the role of lncRNAs in muscle formation and development is poorly understood, particularly in cattle. Here, we identified a highly expressed lncRNA in muscle, lncYYW, by high-throughput sequencing in bovine longissimus, scapular, intercostal, and gluteus muscles. The expression of lncYYW increased gradually during myoblast differentiation. Overexpression of lncYYW increased the number of cells in the DNA synthesis (S) stage of the cell cycle and upregulated the expression of two well-established myogenic markers, myogenin and myosin heavy chain...
July 19, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#17
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28725121/a-comparison-of-the-omega-and-posterior-approaches-on-patient-reported-function-and-radiological-outcomes-following-total-hip-replacement
#18
James R Berstock, Ashley W Blom, Michael R Whitehouse
BACKGROUND: The omega approach represents a modification of the lateral approach to the hip for joint replacement. It was developed to reduce the potential for gluteus muscle dysfunction and thereby improve functional outcome following hip replacement. METHODS: A cohort of 415 consecutive hip replacements receiving the same type of cemented femoral component were followed up at a mean of three years postoperatively and invited to complete functional outcome and satisfaction scores...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28721400/weight-adjusted-lean-body-mass-and-calf-circumference-are-protective-against-obesity-associated-insulin-resistance-and-metabolic-abnormalities
#19
Toshinari Takamura, Yuki Kita, Masatoshi Nakagen, Masaru Sakurai, Yuki Isobe, Yumie Takeshita, Kohzo Kawai, Takeshi Urabe, Shuichi Kaneko
BACKGROUND: To test the hypothesis that preserved muscle mass is protective against obesity-associated insulin resistance and metabolic abnormalities, we analyzed the relationship of lean body mass and computed tomography-assessed sectional areas of specific skeletal muscles with insulin resistance and metabolic abnormalities in a healthy cohort. METHODS: A total of 195 subjects without diabetes who had completed a medical examination were included in this study...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28721121/does-the-injection-of-platelet-rich-plasma-induce-changes-in-the-gene-expression-and-morphology-of-intact-thoroughbred-skeletal-muscle
#20
Kentaro Fukuda, Hirofumi Miyata, Atsutoshi Kuwano, Taisuke Kuroda, Norihisa Tamura, Yasumitsu Kotoyori, Yoshinori Kasashima
Platelet-rich plasma (PRP) therapy is promising for treating skeletal muscle injuries in human athletes by promoting muscle regeneration. It might also be useful for treating muscle injuries in equine athletes. In the present study, muscle regeneration induced by injection of PRP into intact muscle of Thoroughbred was investigated. Autologous PRP and saline were injected twice into intact left and right gluteus medius muscles of seven clinically healthy Thoroughbreds. Muscle samples were collected from the injection sites by needle biopsy at 2 and 7 days after PRP injection...
2017: Journal of Equine Science
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