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Muscle quality

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https://www.readbyqxmd.com/read/29331975/is-postoperative-bracing-after-pedicle-screw-fixation-of-spine-fractures-necessary-study-protocol-of-the-ornot-study-a-randomised-controlled-multicentre-trial
#1
Arjen Johannes Smits, Jaap Deunk, Agnita Stadhouder, Mark Cornelis Altena, Diederik Hendrik Ruth Kempen, Frank Willem Bloemers
INTRODUCTION: The most common surgical treatment of traumatic spine fractures is through a posterior approach using pedicle screws and rods. Postoperative treatment protocols including the use of postoperative orthoses however differ between hospitals and surgeons. A three-point hyperextension orthosis is designed to support proper posture and unload the anterior column. Some motion remains when wearing an orthosis, and its main value in postoperative treatment is therefore believed to be pain relief and patient confidence...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29331970/is-there-a-social-gradient-of-sarcopenia-a-meta-analysis-and-systematic-review-protocol
#2
Darci Green, Gustavo Duque, Nick Fredman, Aoun Rizvi, Sharon Lee Brennan-Olsen
INTRODUCTION: Sarcopenia (or loss of muscle mass and function) is a relatively new area within the field of musculoskeletal research and medicine. Investigating whether there is a social gradient, including occupation type and income level, of sarcopenia, as observed for other diseases, will contribute significantly to the limited evidence base for this disease. This new information may inform the prevention and management of sarcopenia and widen the evidence base to support existing and future health campaigns...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29331050/exercise-counteracts-lipotoxicity-by-improving-lipid-turnover-and-lipid-droplet-quality
#3
Evelyn Zacharewicz, Matthijs K C Hesselink, Patrick Schrauwen
The incidence of obesity and metabolic disease, such as type 2 diabetes mellitus (T2D), are rising globally. Dietary lipid over-supply leads to lipid accumulation at ectopic sites, such as skeletal muscle. Ectopic lipid storage is highly correlated with insulin resistance and T2D, likely due to a loss of metabolic flexibility - the capacity to switch between fat and glucose oxidation upon insulin stimulation - and cellular dysfunction because of lipotoxicity. However, muscle lipid levels are also elevated in endurance trained athletes, presenting a paradoxical phenotype of increased intramuscular lipids along with high insulin sensitivity - the "athletes' paradox"...
January 13, 2018: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29329971/muscle-quality-is-associated-with-dynamic-balance-fear-of-falling-and-falls-in-older-women
#4
André Bonadias Gadelha, Silvia Gonçalves Ricci Neri, Otávio Toledo Nóbrega, Juscélia Cristina Pereira, Martim Bottaro, Andrew Fonsêca, Ricardo M Lima
No abstract text is available yet for this article.
January 9, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29329567/modified-pilates-as-an-adjunct-to-standard-physiotherapy-care-for-urinary-incontinence-a-mixed-methods-pilot-for-a-randomised-controlled-trial
#5
Adi Lausen, Louise Marsland, Samantha Head, Joanna Jackson, Berthold Lausen
BACKGROUND: Urinary incontinence (UI) is a distressing condition affecting at least 5 million women in England and Wales. Traditionally, physiotherapy for UI comprises pelvic floor muscle training, but although evidence suggests this can be effective it is also recognised that benefits are often compromised by patient motivation and commitment. In addition, there is increasing recognition that physical symptoms alone are poor indicators of the impact of incontinence on individuals' lives...
January 12, 2018: BMC Women's Health
https://www.readbyqxmd.com/read/29328887/macroscopic-rotator-cuff-tendinopathy-and-histopathology-do-not-predict-repair-outcomes-of-rotator-cuff-tears
#6
Paul M Sethi, Chirag D Sheth, Leo Pauzenberger, Mary Beth R McCarthy, Mark P Cote, Emma Soneson, Seth Miller, Augustus D Mazzocca
BACKGROUND: Numerous studies have identified factors that may affect the chances of rotator cuff healing after surgery. Intraoperative tendon quality may be used to predict healing and to determine type of repair and/or consideration of augmentation. There are no data that correlate how gross tendon morphology and degree of tendinopathy affect patient outcome or postoperative tendon healing. Purpose/Hypothesis: The purposes of this study were to (1) compare the gross appearance of the tendon edge during arthroscopic rotator cuff repair with its histological degree of tendinopathy and (2) determine if gross appearance correlated with postoperative repair integrity...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29326089/associations-between-markers-of-oxidative-stress-skeletal-muscle-mass-and-function-and-to-the-influence-of-resistance-exercise-training-in-older-adults
#7
Ciriaco Carru, Mariasole Da Boit, Panagiotis Paliogiannis, Angelo Zinellu, Salvatore Sotgia, Rachael Sibson, Judith R Meakin, Richard M Aspden, Arduino A Mangoni, Stuart R Gray
BACKGROUND: Oxidative stress (OS) negatively affects skeletal muscle homeostasis in experimental models of ageing. However, little is known about the associations between circulating OS markers and parameters of muscle mass and function, and their responses to exercise training, in humans. METHODS: Maximal voluntary contraction (MVC, primary outcome) and isokinetic torque of the knee extensors at 30° s-1 (MIT), muscle cross-sectional area (MCSA) and quality (MQ, secondary outcomes), and plasma concentrations of malondialdehyde (MDA, pro-OS), homocysteine (HCY, pro-OS), taurine (TAU, anti-OS), and protein sulphydryl groups (PSH, anti-OS) were measured in 27 healthy older males and 23 females at baseline and after an 18-week resistance exercise program, with or without a nutritional intervention (fish oil vs...
January 8, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29325839/the-effect-of-low-load-exercise-on-joint-pain-function-and-activities-of-daily-living-in-patients-with-knee-osteoarthritis
#8
Jason Peeler, Jacquie Ripat
BACKGROUND: Knee osteoarthritis has a lifetime risk of nearly one in two, with obese individuals being most susceptible. While exercise is universally recognized as a critical component for management, unsafe or ineffective exercise frequently leads to exacerbation of joint symptoms. AIM: Evaluate the effect of a 12week lower body positive pressure (LBPP) supported low-load treadmill walking program on knee pain, joint function, and performance of daily activities in patients with knee osteoarthritis (OA)...
January 8, 2018: Knee
https://www.readbyqxmd.com/read/29325148/effect-of-dietary-%C3%AE-alanine-supplementation-on-growth-performance-meat-quality-carnosine-content-and-gene-expression-of-carnosine-related-enzymes-in-broilers
#9
Bo Qi, Jing Wang, You-Biao Ma, Shu-Geng Wu, Guang-Hai Qi, Hai-Jun Zhang
The objective of the current study was to investigate the effect of dietary β-alanine supplementation on growth performance, meat quality, antioxidant ability, carnosine content, and gene expression of carnosine-related enzymes in broiler chicks. We randomly assigned 540 1-day-old Arbor Acres broilers to 5 dietary treatments supplemented with 0 (control group), 250, 500, 1,000, or 2,000 mg/kg of β-alanine (mg β-alanine per kg feed). Each treatment included 6 replicates of 18 birds. The feeding trial lasted for 42 d...
January 6, 2018: Poultry Science
https://www.readbyqxmd.com/read/29322215/-assessment-of-kidney-function-creatinine-is-not-the-whole-story
#10
REVIEW
U Huynh-Do, M Fiedler, B Vogt
Chronic renal insufficiency has a high prevalence and leads not only to a severe impairment in the quality of life but also to a higher mortality, mainly due to cardiovascular complications; however, in the early stages where there is still a chance for a therapeutic intervention, it is often underestimated because depending on endogenous factors (e.g. age and muscle mass), serum creatinine could falsely remain in the normal range while kidney function is already impaired. An exact measurement of the glomerular filtration rate (GFR) using radionuclide techniques is cumbersome and usually confined to rare cases, such as in clinical studies...
January 10, 2018: Der Internist
https://www.readbyqxmd.com/read/29321572/specific-inhibition-of-acetylcholinesterase-as-an-approach-to-decrease-muscarinic-side-effects-during-myasthenia-gravis-treatment
#11
Konstantin A Petrov, Alexandra D Kharlamova, Oksana A Lenina, Ayrat R Nurtdinov, Marina E Sitdykova, Victor I Ilyin, Irina V Zueva, Evgeny E Nikolsky
Non-selective inhibitors of cholinesterases (ChEs) are clinically used for treatment of myasthenia gravis (MG). While being generally safe, they cause numerous adverse effects including induction of hyperactivity of urinary bladder and intestines affecting quality of patients life. In this study we have compared two ChEs inhibitors, a newly synthesized compound C547 and clinically used pyridostigmine bromide, by their efficiency to reduce muscle weakness symptoms and ability to activate contractions of urinary bladder in a rat model of autoimmune MG...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320878/exercise-training-for-improving-outcomes-post-burns-a-systematic-review-and-meta-analysis
#12
Orlando Flores, Zephanie Tyack, Kellie Stockton, Robert Ware, Jennifer D Paratz
OBJECTIVES: To determine the effectiveness of different modalities of exercise and to evaluate the safety of exercise-based interventions post-burns. DATA SOURCES: Six databases were searched from inception to October 2017 using "burn," "exercise" and synonyms as keywords. Relevant authors, key journals and reference lists of included studies were hand-searched. REVIEW METHODS: Articles reporting on exercise interventions in patients post-burn and considering physical, physiological or psychological outcomes were considered...
January 1, 2018: Clinical Rehabilitation
https://www.readbyqxmd.com/read/29320759/identification-of-key-micrornas-affecting-drip-loss-in-porcine-longissimus-dorsi-by-rna-seq
#13
Wei Wei, Bojiang Li, Kaiqing Liu, Aiwen Jiang, Chao Dong, Chao Jia, Jie Chen, Honglin Liu, Wangjun Wu
MicroRNAs (miRNAs) are a class of ~22-nt non-coding small RNA that play an important role in various metabolic processes, mainly through suppressing the expression of protein coding genes at post-transcriptional level. Drip loss (DL) is one of the most important meat quality traits affecting the end product yield and quality of pork. To date, the underlying regulatory factors involved in DL trait are still incompletely understood. In the present study, we constructed two small RNA libraries with longissimus dorsi muscles from the higher (WJJ-H group) and the lower DL (WJJ-L group) individuals, and applied RNA-Seq technology to identify the differentially expressed miRNAs between the two extreme phenotypes of DL groups...
January 7, 2018: Gene
https://www.readbyqxmd.com/read/29318334/physiotherapy-for-pelvic-pain-and-female-sexual-dysfunction-an-untapped-resource
#14
REVIEW
Bary Berghmans
INTRODUCTION AND HYPOTHESIS: Chronic pelvic pain (CPP) in women is a complex syndrome. Pain sensation and intensity often do not correspond with the identified lesion location but are felt elsewhere, leading to muskuloskeletal and myofascial disorders and sexual dysfunction (SD). Although physical aspects are prevalent, they are often underdiagnosed and undertreated due to lack of understanding regarding its origin and distribution. Frequently, patients experience pelvic pain as psychological distress resulting in physical complaints, leading clinicians to prescribe medication or surgical intervention to correct or alleviate these symptoms, often with insufficient results...
January 9, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29317222/do-performance-measures-of-strength-balance-and-mobility-predict-quality-of-life-and-community-reintegration-after-stroke
#15
Joshua W Cohen, Tanya D Ivanova, Brenda Brouwer, Kimberly J Miller, Dianne Bryant, S Jayne Garland
OBJECTIVE: To investigate the extent to which physical performance measures of strength, balance and mobility taken at discharge from inpatient stroke rehabilitation can predict health-related quality of life (HRQoL) and community reintegration after 6 months. DESIGN: Longitudinal Study SETTING: University Laboratory PARTICIPANTS: Seventy-five adults recruited within one month following discharge home from inpatient stroke rehabilitation. Inclusion criteria were: major unilateral hemispheric stroke, English speaking, able to communicate, discharged home...
January 6, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29317080/effective-regeneration-of-dystrophic-muscle-using-autologous-ipsc-derived-progenitors-with-crispr-cas9-mediated-precise-correction
#16
Mackenzie Hagan, Muhammad Ashraf, Il-Man Kim, Neal L Weintraub, Yaoliang Tang
Duchenne muscular dystrophy (DMD) is a lethal muscle wasting disease caused by a lack of dystrophin, which eventually leads to apoptosis of muscle cells and impaired muscle contractility. Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR associated protein 9 (CRISPR/Cas9) gene editing of induced pluripotent stem cells (IPSC) offers the potential to correct the DMD gene defect and create healthy IPSC for autologous cell transplantation without causing immune activation. However, IPSC carry a risk of tumor formation, which can potentially be mitigated by differentiation of IPSC into myogenic progenitor cells (MPC)...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29316888/the-preventive-effect-of-sensorimotor-and-vibration-exercises-on-the-onset-of-oxaliplatin-or-vinca-alkaloid-induced-peripheral-neuropathies-stop
#17
Fiona Streckmann, Maryam Balke, Helmar C Lehmann, Vanessa Rustler, Christina Koliamitra, Thomas Elter, Michael Hallek, Michael Leitzmann, Tilman Steinmetz, Petra Heinen, Freerk T Baumann, Wilhelm Bloch
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) is a common and clinically relevant side effect of chemotherapy. Approximately 50% of all leukemia, lymphoma, colorectal- and breast cancer patients are affected. CIPN is induced by neurotoxic chemotherapeutic agents and can manifest with sensory and/or motor deficits. It is associated with significant disability and poor recovery. Common symptoms include pain, altered sensation, reduced or absent reflexes, muscle weakness, reduced balance control and insecure gait...
January 10, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29316663/modulation-of-protein-quality-control-and-proteasome-to-autophagy-switch-in-immortalized-myoblasts-from-duchenne-muscular-dystrophy-patients
#18
Marion Wattin, Loïc Gaweda, Pascale Muller, Mathieu Baritaud, Charlotte Scholtes, Chloé Lozano, Kathrin Gieseler, Carole Kretz-Remy
The maintenance of proteome integrity is of primary importance in post-mitotic tissues such as muscle cells; thus, protein quality control mechanisms must be carefully regulated to ensure their optimal efficiency, a failure of these processes being associated with various muscular disorders. Duchenne muscular dystrophy (DMD) is one of the most common and severe forms of muscular dystrophies and is caused by mutations in the dystrophin gene. Protein quality control modulations have been diversely observed in degenerating muscles of patients suffering from DMD or in animal models of the disease...
January 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29316013/the-effect-of-transport-on-the-quality-of-rabbit-meat
#19
Joanna Składanowska-Baryza, Agnieszka Ludwiczak, Ewa Pruszyńska-Oszmałek, Paweł Kołodziejski, Marta Bykowska, Marek Stanisz
The analyzed material included 40 hybrid rabbits slaughtered at the age of 90 days. The control group was transported directly after weaning, while the transport group was transported directly prior to slaughter. The experiment was designed to assess the transport stress, carcass and meat quality implications, taking into account the muscle type and sex. The transported animals were characterized by a higher level of blood cortisol, glucose and triglycerides (P < 0.0001), and a lower level of insulin (P < 0...
January 8, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29315892/effects-of-fasted-vs-fed-state-exercise-on-performance-and-post-exercise-metabolism-a-systematic-review-meta-analysis
#20
REVIEW
Tom P Aird, Robert W Davies, Brian P Carson
The effects of nutrition on exercise metabolism and performance remains an important topic among sports scientists, clinical, and athletic populations. Recently, fasted exercise has garnered interest as a beneficial stimulus which induces superior metabolic adaptations to fed exercise in key peripheral tissues. Conversely, pre-exercise feeding augments exercise performance compared with fasting conditions. Given these seemingly divergent effects on performance and metabolism, an appraisal of the literature is warranted...
January 6, 2018: Scandinavian Journal of Medicine & Science in Sports
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