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https://www.readbyqxmd.com/read/29679183/effects-of-respiratory-and-applied-muscle-tensing-interventions-on-responses-to-a-simulated-blood-draw-among-individuals-with-high-needle-fear
#1
Jennifer M Kowalsky, Robert Conatser, Thomas Ritz, Christopher R France
Fear of blood and needles increases risk for presyncopal symptoms. Applied muscle tension can prevent or attenuate presyncopal symptoms; however, it is not universally effective. This study examined the effects of applied muscle tension, a respiratory intervention, and a no treatment control condition, on presyncopal symptoms and cerebral oxygenation, during a simulated blood draw with individuals highly fearful of needles. Participants (n = 95) completed questionnaires, physiological monitoring, and two trials of a simulated blood draw with recovery...
April 20, 2018: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29676656/the-effects-of-beta-hydroxy-beta-methylbutyrate-supplementation-on-recovery-following-exercise-induced-muscle-damage-a-systematic-review-and-meta-analysis
#2
Mohammad Hossein Rahimi, Hamed Mohammadi, Hesam Eshaghi, Gholamreza Askari, Maryam Miraghajani
BACKGROUND: Growing evidence suggests beta-hydroxy-beta-methylbutyrate's (HMB) positive effects on recovery following exercise-induced muscle damage (EIMD). However, findings vary substantially across studies. OBJECTIVE: A meta-analysis of randomized controlled trials was conducted to assess the effects of HMB supplementation on recovery following EIMD by assessing indirect markers of muscle damage, namely creatine kinase (CK) and lactate dehydrogenase (LDH) serum levels among healthy participants...
April 20, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29672220/environmental-hypoxia-favors-myoblast-differentiation-and-fast-phenotype-but-blunts-activation-of-protein-synthesis-after-resistance-exercise-in-human-skeletal-muscle
#3
Olouyomi Gnimassou, Rodrigo Fernández-Verdejo, Matthew Brook, Damien Naslain, Estelle Balan, Mariwan Sayda, Jessica Cegielski, Henri Nielens, Anabelle Decottignies, Jean-Baptiste Demoulin, Kenneth Smith, Philip J Atherton, Marc Francaux, Louise Deldicque
We hypothesized that a single session of resistance exercise performed in moderate hypoxic (FiO2 : 14%) environmental conditions would potentiate the anabolic response during the recovery period spent in normoxia. Twenty subjects performed a 1-leg knee extension session in normoxic or hypoxic conditions. Muscle biopsies were taken 15 min and 4 h after exercise in the vastus lateralis of the exercised and the nonexercised legs. Blood and saliva samples were taken at regular intervals before, during, and after the exercise session...
April 19, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29672190/recovery-of-a-disinserted-medial-rectus-muscle-after-pterygium-surgery
#4
Prapatsorn Patikulsila, Atitaya Apivatthakakul, Kasem Seresirikachorn
PURPOSE: To report a case of recovery of a medial rectus which was accidentally disinserted after surgical treatment of a recurrent pterygium. METHOD: Report of a case of inadvertent medial rectus disinsertion after pterygium excision at a secondary care hospital which was referred to a tertiary care hospital in Northern Thailand. RESULT: A 40-year-old healthy woman was referred by a general ophthalmologist at a secondary care center to our hospital...
April 19, 2018: Strabismus
https://www.readbyqxmd.com/read/29671103/role-of-ca-2-in-changing-active-force-during-intermittent-submaximal-stimulation-in-intact-single-mouse-muscle-fibers
#5
Lisa D Glass, Arthur J Cheng, Brian R MacIntosh
Fatigue of single mouse fibers during repeated high-frequency stimulation results initially from decreased Ca2+ sensitivity while free myoplasmic calcium concentration ([Ca2+ ]m ) increases, followed by decreasing [Ca2+ ]m . Recovery of active force with low-frequency stimulation is slow and persistent fatigue results from low [Ca2+ ]m . However, the consequences of intermittent submaximal contractions are not known. The aim of the present study was to investigate the changes in [Ca2+ ]m and active force during intermittent submaximal contractions and subsequent recovery...
April 18, 2018: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29668632/outcomes-of-using-a-modified-anteromedial-thigh-perforator-flap-for-repairing-the-anterolateral-thigh-free-flap-donor-site-a-retrospective-clinical-review
#6
Xiao Zhou, Jin Wang, Li Qiang, Yongjun Rui, Mingyu Xue
The anterolateral thigh (ALT) flap plays an essential part in plastic and reconstructive surgery. However, repair of the anterolateral donor site has not been the focus of the clinicians.To assess the clinical value and feasibility of using a modified anteromedial thigh (AMT) perforator flap for repairing the ALT free flap donor site.In this retrospective study, 16 ALT flaps were transferred to resurface large soft-tissue defects (ranged from 7 × 5 to 13 × 8 cm) in the foot or hand from June 2012 to March 2013...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29667260/tai-chi-improves-brain-metabolism-and-muscle-energetics-in-older-adults
#7
Min Zhou, Huijun Liao, Lasya P Sreepada, Joshua R Ladner, James A Balschi, Alexander P Lin
BACKGROUND AND PURPOSE: Tai Chi is a mind-body exercise that has been shown to improve both mental and physical health. As a result, recent literature suggests the use of Tai Chi to treat both physical and psychological disorders. However, the underlying physiological changes have not been characterized. The aim of this pilot study is to assess the changes in brain metabolites and muscle energetics after Tai Chi training in an aging population using a combined brain-muscle magnetic resonance spectroscopy (MRS) examination...
April 17, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29666775/thenar-compartment-syndrome-what-if-a-compartment-pressure-measuring-device-is-absent
#8
Aydin Budeyri, Mehmet C Cankus, Gökhan Meric, Gökhan B Sever
Compartment syndrome (CS) is a threatening condition characterized by excessive tissue pressure accumulation associated with acute trauma. Compartment syndrome causes a significant reduction in blood flow with subsequent muscle and nerve ischemic necrosis. Recently, reports have described the importance of intramuscular pressure measurements as a basis for CS diagnosis. Unfortunately, the measuring devices that were utilized produced results with unsatisfactory reliability, making a diagnosis and subsequent treatment challenging...
February 16, 2018: Curēus
https://www.readbyqxmd.com/read/29666584/differences-in-muscle-metabolism-between-triathletes-and-normally-active-volunteers-investigated-using-multinuclear-magnetic-resonance-spectroscopy-at-7t
#9
Radka Klepochová, Ladislav Valkovič, Thomas Hochwartner, Christoph Triska, Norbert Bachl, Harald Tschan, Siegfried Trattnig, Michael Krebs, Martin Krššák
Purpose: The influence of endurance training on skeletal muscle metabolism can currently be studied only by invasive sampling or through a few related parameters that are investigated by either proton (1 H) or phosphorus (31 P) magnetic resonance spectroscopy (MRS). The aim of this study was to compare the metabolic differences between endurance-trained triathletes and healthy volunteers using multi-parametric data acquired by both, 31 P- and 1 H-MRS, at ultra-high field (7T) in a single experimental protocol...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29663541/eccentric-exercise-increases-circulating-fibroblast-activation-protein-but-not-bioactive-fibroblast-growth-factor-21-in-healthy-humans
#10
Biraj Parmar, Jo E Lewis, Ricardo J Samms, Francis J P Ebling, Christine C Cheng, Andrew C Adams, Joanne Mallinson, Scott Cooper, Tariq Taylor, Reza Ghasemi, Francis B Stephens, Kostas Tsintzas
NEW FINDINGS: What is the central question of this study? The role of FGF21 as an exercise-induced myokine remains controversial. The aim of this study was to determine whether eccentric exercise would augment the release of FGF21 and/or its regulatory enzyme Fibroblast Activation Protein (FAP) from skeletal muscle tissue into the systemic circulation of healthy human volunteers. What is the main finding and its importance? Eccentric exercise does not release total or bioactive FGF21 from human skeletal muscle...
April 16, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29663370/deformable-torso-phantoms-of-chinese-adults-for-personalized-anatomy-modelling
#11
Hongkai Wang, Xiaobang Sun, Tongning Wu, Congsheng Li, Zhonghua Chen, Meiying Liao, Mengci Li, Wen Yan, Hui Huang, Jia Yang, Ziyu Tan, Libo Hui, Yue Liu, Hang Pan, Yue Qu, Zhaofeng Chen, Liwen Tan, Lijuan Yu, Hongcheng Shi, Li Huo, Yanjun Zhang, Xin Tang, Shaoxiang Zhang, Changjian Liu
In recent years, there has been increasing demand for personalized anatomy modelling for medical and industrial applications, such as ergonomics device development, clinical radiological exposure simulation, biomechanics analysis, and 3D animation character design. In this study, we constructed deformable torso phantoms that can be deformed to match the personal anatomy of Chinese male and female adults. The phantoms were created based on a training set of 79 trunk computed tomography (CT) images (41 males and 38 females) from normal Chinese subjects...
April 16, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29663142/do-we-need-a-cool-down-after-exercise-a-narrative-review-of-the-psychophysiological-effects-and-the-effects-on-performance-injuries-and-the-long-term-adaptive-response
#12
REVIEW
Bas Van Hooren, Jonathan M Peake
It is widely believed that an active cool-down is more effective for promoting post-exercise recovery than a passive cool-down involving no activity. However, research on this topic has never been synthesized and it therefore remains largely unknown whether this belief is correct. This review compares the effects of various types of active cool-downs with passive cool-downs on sports performance, injuries, long-term adaptive responses, and psychophysiological markers of post-exercise recovery. An active cool-down is largely ineffective with respect to enhancing same-day and next-day(s) sports performance, but some beneficial effects on next-day(s) performance have been reported...
April 16, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29661643/muscle-ultrasound-elastography-and-mri-in-preschool-children-with-duchenne-muscular-dystrophy
#13
Anna Pichiecchio, Francesco Alessandrino, Chandra Bortolotto, Alessandra Cerica, Cristina Rosti, Maria Vittoria Raciti, Marta Rossi, Angela Berardinelli, Giovanni Baranello, Stefano Bastianello, Fabrizio Calliada
The aim of this study was to determine muscle tissue elasticity, measured with shear-wave elastography, in selected lower limb muscles of patients affected by Duchenne muscular dystrophy (DMD) and to correlate the values obtained with those recorded in healthy children and with muscle magnetic resonance imaging (MRI) data from the same DMD children, specifically the pattern on T1-weighted (w) and short-tau inversion recovery (STIR) sequences. Five preschool DMD children and five age-matched healthy children were studied with shear-wave elastography...
April 13, 2018: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/29661429/effects-of-a-physiotherapeutic-protocol-in-respiratory-function-aerobic-capacity-and-quality-of-life-after-kidney-transplantation
#14
L Campanati-Palhares, T C Simoncini, P G da Silva Augusto, F D Masi Galhardo, M G Pereira, B S Vian, M Mazzali
INTRODUCTION: Chronic kidney disease can lead to dysfunction of the respiratory, cardiac, and musculoskeletal systems, altering the body's metabolism. Renal transplantation and hospital physiotherapy, through specific protocols, can improve these dysfunctions. OBJECTIVES: This study evaluates the impact of a hospital physiotherapeutic protocol in quality of life (QoL), respiratory muscle strength, peak expiratory flow, and 6-minute walk test (6MWT) in the preoperative, first, and fifth days after renal transplantation...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29659600/reconstruction-of-a-10-mm-long-median-nerve-gap-in-an-ischemic-environment-using-autologous-conduits-with-different-patterns-of-blood-supply-a-comparative-study-in-the-rat
#15
Diogo Casal, Eduarda Mota-Silva, Inês Iria, Sara Alves, Ana Farinho, Cláudia Pen, Nuno Lourenço-Silva, Luís Mascarenhas-Lemos, José Silva-Ferreira, Mário Ferraz-Oliveira, Valentina Vassilenko, Paula Alexandra Videira, João Goyri-O'Neill, Diogo Pais
The aim of this study was to evaluate in the Wistar rat the efficacy of various autologous nerve conduits with various forms of blood supply in reconstructing a 10-mm-long gap in the median nerve (MN) under conditions of local ischemia. A 10-mm-long median nerve defect was created in the right arm. A loose silicone tube was placed around the nerve gap zone, in order to simulate a local ischemic environment. Rats were divided in the following experimental groups (each with 20 rats): the nerve Graft (NG) group, in which the excised MN segment was reattached; the conventional nerve flap (CNF) and the arterialized neurovenous flap (ANVF) groups in which the gap was bridged with homonymous median nerve flaps; the prefabricated nerve flap (PNF) group in which the gap was reconstructed with a fabricated flap created by leaving an arteriovenous fistula in contact with the sciatic nerve for 5 weeks; and the two control groups, Sham and Excision groups...
2018: PloS One
https://www.readbyqxmd.com/read/29659539/post-game-high-protein-intake-may-improve-recovery-of-football-specific-performance-during-a-congested-game-fixture-results-from-the-pro-football-study
#16
Athanasios Poulios, Ioannis G Fatouros, Magni Mohr, Dimitrios K Draganidis, Chariklia Deli, Konstantinos Papanikolaou, Apostolos Sovatzidis, Theofano Nakopoulou, Georgios Ermidis, Theofanis Tzatzakis, Vasiliki C Laschou, Kalliopi Georgakouli, Agisilaos Koulouris, Panagiotis Tsimeas, Athanasios Chatzinikolaou, Leonidas G Karagounis, Dimitrios Batsilas, Peter Krustrup, Athanasios Z Jamurtas
The effects of protein supplementation on performance recovery and inflammatory responses during a simulated one-week in-season microcycle with two games (G1, G2) performed three days apart were examined. Twenty football players participated in two trials, receiving either milk protein concentrate (1.15 and 0.26 g/kg on game and training days, respectively) (PRO) or an energy-matched placebo (1.37 and 0.31 g/kg of carbohydrate on game and training days, respectively) (PLA) according to a randomized, repeated-measures, crossover, double-blind design...
April 16, 2018: Nutrients
https://www.readbyqxmd.com/read/29659438/selective-suprascapular-and-axillary-nerve-block-versus-interscalene-plexus-block-for-pain-control-after-arthroscopic-shoulder-surgery-a-noninferiority-randomized-parallel-controlled-clinical-trial
#17
Anneleen Neuts, Björn Stessel, Patrick F Wouters, Carl Dierickx, Wilfried Cools, Jean-Paul Ory, Jasperina Dubois, Luc Jamaer, Ingrid Arijs, Dirk Schoorens
BACKGROUND AND OBJECTIVES: This randomized trial aimed to assess if a combined suprascapular-axillary nerve block (SSB) is noninferior (margin = 1.3 on a 0- to 10-point scale) to interscalene block (ISB) in treating pain after arthroscopic shoulder surgery. Secondary end points included opioid consumption, dyspnea, discomfort associated with muscle weakness, and patient satisfaction. METHODS: One hundred patients undergoing arthroscopic shoulder surgery were randomized to receive ultrasound-guided ISB (n = 50) or SSB (n = 50)...
April 14, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29659058/polyethylene-glycol-solutions-rapidly-restore-and-maintain-axonal-continuity-neuromuscular-structures-and-behaviors-lost-after-sciatic-nerve-transections-in-female-rats
#18
Michelle Mikesh, Cameron L Ghergherehchi, Robert Louis Hastings, Amir Ali, Sina Rahesh, Karthik Jagannath, Dale R Sengelaub, Richard C Trevino, David M Jackson, George D Bittner
Complete severance of major peripheral mixed sensory-motor nerve proximally in a mammalian limb produces immediate loss of action potential conduction and voluntary behaviors mediated by the severed distal axonal segments. These severed distal segments undergo Wallerian degeneration within days. Denervated muscles atrophy within weeks. Slowly regenerating (∼1 mm/day) outgrowths from surviving proximal stumps that often nonspecifically reinnervate denervated targets produce poor, if any, restoration of lost voluntary behaviors...
April 16, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29659046/polyethylene-glycol-treated-allografts-not-tissue-matched-nor-immunosuppressed-rapidly-repair-sciatic-nerve-gaps-maintain-neuromuscular-functions-and-restore-voluntary-behaviors-in-female-rats
#19
Michelle Mikesh, Cameron L Ghergherehchi, Sina Rahesh, Karthik Jagannath, Amir Ali, Dale R Sengelaub, Richard C Trevino, David M Jackson, Haley O Tucker, George D Bittner
Many publications report that ablations of segments of peripheral nerves produce the following unfortunate results: (1) Immediate loss of sensory signaling and motor control; (2) rapid Wallerian degeneration of severed distal axons within days; (3) muscle atrophy within weeks; (4) poor behavioral (functional) recovery after many months, if ever, by slowly-regenerating (∼1mm/d) axon outgrowths from surviving proximal nerve stumps; and (5) Nerve allografts to repair gap injuries are rejected, often even if tissue matched and immunosuppressed...
April 16, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29657454/association-between-reduced-trunk-flexibility-in-children-and-lumbar-stress-fractures
#20
REVIEW
Masahiko Kemmochi, Shigeru Sasaki, Shoichi Ichimura
Background: We noticed that most of active sports children with low back pain (LBP) have muscle tightness around the pelvis and reduced trunk flexibility. Abnormalities in short-time inversion recovery (STIR) images on magnetic resonance imaging (MRI) can show stress fracture. Therefore, we investigated the associations among LBP, trunk flexibility, and lumbar stress fractures. Methods: A total of 130 patients under the age of 18 years complained of LBP were investigated in STIR MRI images...
March 2018: Journal of Orthopaedics
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