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Aerobic threshold

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https://www.readbyqxmd.com/read/28096689/influence-of-exercise-on-visceral-pain-an-explorative-study-in-healthy-volunteers
#1
Laura Jgm van Weerdenburg, Christina Brock, Asbjørn Mohr Drewes, Harry van Goor, Marjan de Vries, Oliver Hg Wilder-Smith
BACKGROUND AND OBJECTIVES: Contradictory results have been found about the effect of different exercise modalities on pain. The aim of this study was to investigate the early effects of aerobic and isometric exercise on different types of experimental pain, including visceral pain, compared to an active control condition. METHODS: Fifteen healthy subjects (6 women, mean [standard deviation] age 25 [6.5] years) completed 3 interventions consisting of 20 minutes of aerobic cycling, 12 minutes of isometric knee extension and a deep breathing procedure as active control...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28093954/inhibitory-effect-of-high-calcium-concentration-on-municipal-solid-waste-leachate-treatment-by-the-activated-sludge-process
#2
Yi Xia, Pin Jing He, Hong Xia Pu, Fan Lü, Li Ming Shao, Hua Zhang
This research focused on the inhibitory effects of Ca on the aerobic biological treatment of landfill leachate containing extremely high Ca concentrations. When the Ca concentration in leachate to be treated was more than 4500 mg l(-1), the total organic carbon removal rate was significantly reduced and the processing time to achieve the same removal efficiency was 1.4 times that in the control treatment without added Ca. In contrast, the total nitrogen and ammonia nitrogen (NH4(+)-N) removal efficiencies were positively related to the Ca concentration, increasing from 65...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28072848/physiologic-determinants-of-exercise-capacity-in-pulmonary-langerhans-cell-histiocytosis-a-multidimensional-analysis
#3
Camille Rolland-Debord, Stephanie Fry, Jonathan Giovannelli, Carole Langlois, Nicolas Bricout, Bernard Aguilaniu, Agnes Bellocq, Olivier Le Rouzic, Stephane Dominique, Alain Delobbe, Geraldine François, Abdellatif Tazi, Benoit Wallaert, Cecile Chenivesse
BACKGROUND: Reduced exercise capacity severely impacts quality of life in pulmonary Langerhans cell histiocytosis. Ascertaining mechanisms that impair exercise capacity is necessary to identify targets for symptomatic treatments. METHODS: Dyspnea, pulmonary function tests and cardiopulmonary exercise test were analysed in 62 study participants. Data were compared between subjects with impaired and normal aerobic capacity (V'O2 peak less than 84% versus 84% predicted or more)...
2017: PloS One
https://www.readbyqxmd.com/read/28069663/cybercycling-effects-on-classroom-behavior-in-children-with-behavioral-health-disorders-an-rct
#4
April Bowling, James Slavet, Daniel P Miller, Sebastien Haneuse, William Beardslee, Kirsten Davison
BACKGROUND AND OBJECTIVES: Exercise is linked with improved cognition and behavior in children in clinical and experimental settings. This translational study examined if an aerobic cybercycling intervention integrated into physical education (PE) resulted in improvements in behavioral self-regulation and classroom functioning among children with mental health disabilities attending a therapeutic day school. METHODS: Using a 14-week crossover design, students (N = 103) were randomly assigned by classroom (k = 14) to receive the 7-week aerobic cybercycling PE curriculum during fall 2014 or spring 2015...
January 9, 2017: Pediatrics
https://www.readbyqxmd.com/read/28062459/biofilm-composition-and-threshold-concentration-for-growth-of-legionella-pneumophila-on-surfaces-exposed-to-flowing-warm-tap-water-without-disinfectant
#5
Dick van der Kooij, Geo L Bakker, Ronald Italiaander, Harm R Veenendaal, Bart A Wullings
: Legionella pneumophila in potable-water installations poses a potential health risk, but quantitative information about its replication in biofilms in relation to water quality is scarce. Therefore, biofilm formation on surfaces of glass and chlorinated polyvinyl chloride (CPVC) in contact with tap water at 34-39°C was investigated under controlled hydraulic conditions in a model system inoculated with biofilm-grown L. pneumophila The biofilm on glass (average steady-state concentration: 23 ± 9 pg ATP cm(-2)) exposed to treated aerobic groundwater [0...
January 6, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28045865/effects-of-aerobic-exercise-on-pain-sensitivity-heart-rate-recovery-and-health-related-quality-of-life-in-patients-with-chronic-musculoskeletal-pain
#6
Şeyda Öte Karaca, Nesrin Demirsoy, Zafer Günendi
We aimed to investigate the effects of aerobic exercise on pain perception, sensitivity, and health-related quality of life; to assess its effect on parasympathetic tonus by analysis of heart rate recovery; and to examine the effects of parasympathetic tone on pain sensitivity in patients with chronic musculoskeletal pain. Fifty patients with chronic musculoskeletal pain were randomized into two groups: control group (C group) and aerobic exercise group (AE group). Both groups received conventional physical therapy for 2 weeks; the AE group performed submaximal aerobic exercise on a treadmill for 30 min additionally...
December 29, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28034783/cerebellar-insulin-igf-1-signaling-in-diabetic-rats-effects-of-exercise-training
#7
Mariana Eiras Borges, Alessandra Mussi Ribeiro, José Rodrigo Pauli, Luciana Mendonça Arantes, Eliete Luciano, Leandro Pereira de Moura, José Alexandre Curiacos de Almeida Leme, Alessandra Medeiros, Natália Oliveira Bertolini, Clarice Yoshiko Sibuya, Ricardo José Gomes
The Diabetes Mellitus (DM) is a chronic disease associated with loss of brain regions such as the cerebellum, increasing the risk of developing neurodegenerative diseases such as Parkinson's disease (PD). In the brain of diabetic and PD organisms the insulin/IGF-1 signaling is altered. Exercise training is an effective intervention for the prevention of neurodegerative diseases since it release neurotrophic factors and regulating insulin/IGF-1 signaling in the brain. This study aimed to evaluate the proteins involved in the insulin/IGF-1 pathway in the cerebellum of diabetic rats subjected to exercise training protocol...
December 26, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28030923/microbiological-characterization-of-vegetables-and-their-rhizosphere-soil-in-eastern-poland
#8
Teresa Kłapeć, Angelina Wójcik-Fatla, Alicja Cholewa, Grażyna Cholewa, Jacek Dutkiewicz
The aim of this study was to investigate the bacteriological quality of 5 kinds of vegetables (lettuce, dill, radish, beetroot, carrot) and their rhizosphere soil, originating from conventional farms located in the Lublin Province of Eastern Poland. A total number of 35 samples of fresh vegetables (FV) taken immediately from soil, 35 samples of soil from rhizosphere of these vegetables (SR) and 35 samples of vegetables sold at retail in the markets in Lublin (VR) were examined. The samples were analysed for the content of: aerobic mesophilic bacteria (AMB) grown at 30°C and 37°C, Gram-negative bacteria of Enterobacteriaceae family, faecal coliform (FC) bacteria, Salmonella spp...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/27993169/the-incidence-of-training-responsiveness-to-cardiorespiratory-fitness-and-cardiometabolic-measurements-following-individualized-and-standardized-exercise-prescription-study-protocol-for-a-randomized-controlled-trial
#9
Ryan M Weatherwax, Nigel K Harris, Andrew E Kilding, Lance C Dalleck
BACKGROUND: There is individual variability to cardiorespiratory fitness (CRF) training, but the underlying cause is not well understood. Traditionally, a standardized approach to exercise prescription has utilized relative percentages of maximal heart rate, heart rate reserve (HRR), maximal oxygen uptake (VO2max), or VO2 reserve to establish exercise intensity. However, this model fails to take into consideration individual metabolic responses to exercise and may attribute to the variability in training responses...
December 19, 2016: Trials
https://www.readbyqxmd.com/read/27984429/exercise-induced-hypoalgesia-is-not-influenced-by-physical-activity-type-and-amount
#10
Christopher D Black, Jamie K Huber, Laura D Ellingson, Carl J Ade, E Laurette Taylor, Elaine M Griffeth, Natalie R Janzen, Shelbi L Sutterfield
: Physical activity (PA), especially vigorous intensity PA, has been shown to be related to pain sensitivity. The relationship among physical activity levels and physical activity types on endogenous pain inhibition following exercise, termed exercise-induced hypoalgesia (EIH) remains unclear. PURPOSE: This studied examined the EIH response to pressure stimuli among college-aged women of differing activity levels. METHODS: Fifty women were tested...
December 14, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27973374/inhibition-kinetics-and-granular-sludge-in-an-anammox-reactor-treating-mature-landfill-leachate
#11
Li Yun, Zheng Zhaoming, Li Jun, Zhao Baihang, Bian Wei, Zhang Yanzhuo, Wang Xiujie
The present study reports the inhibition kinetics and granular sludge in an anaerobic ammonium oxidation (ANAMMOX) - up-flow anaerobic sludge blanket reactor fed with diluted mature landfill leachate. The activity of ANAMMOX bacteria was inhibited by addition of mature landfill leachate, but gradually adapted to the leachate. The system achieved efficient nitrogen removal during 65-75 d and the average removal efficiencies for NH4(+)-N, NO2(-)-N and total nitrogen (TN) were 96%, 95% and 87%, respectively. ANAMMOX was the main pathway of nitrogen removal in the system, and heterotrophic denitrification occurred simultaneously...
December 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/27935992/intense-exercise-and-aerobic-conditioning-associated-with-chromium-or-l-carnitine-supplementation-modified-the-fecal-microbiota-of-fillies
#12
Maria Luiza Mendes de Almeida, Walter Heinz Feringer, Júlia Ribeiro Garcia Carvalho, Isadora Mestriner Rodrigues, Lilian Rezende Jordão, Mayara Gonçalves Fonseca, Adalgiza Souza Carneiro de Rezende, Antonio de Queiroz Neto, J Scott Weese, Márcio Carvalho da Costa, Eliana Gertrudes de Macedo Lemos, Guilherme de Camargo Ferraz
Recent studies performed in humans and rats have reported that exercise can alter the intestinal microbiota. Athletic horses perform intense exercise regularly, but studies characterizing horse microbiome during aerobic conditioning programs are still limited. Evidence has indicated that this microbial community is involved in the metabolic homeostasis of the host. Research on ergogenic substances using new sequencing technologies have been limited to the intestinal microbiota and there is a considerable demand for scientific studies that verify the effectiveness of these supplements in horses...
2016: PloS One
https://www.readbyqxmd.com/read/27930876/pioglitazone-on-improves-whole-body-aerobic-capacity-and-skeletal-muscle-energy-metabolism-in-patients-with-metabolic-syndrome
#13
Takashi Yokota, Shintaro Kinugawa, Kagami Hirabayashi, Tadashi Suga, Shingo Takada, Masashi Omokawa, Tomoyasu Kadoguchi, Masashige Takahashi, Arata Fukushima, Shouji Matsushima, Mayumi Yamato, Koichi Okita, Hiroyuki Tsutsui
AIMS/INTRODUCTION: Low aerobic capacity is a strong and independent predictor of all-cause mortality in patients with metabolic syndrome (MetS). Here, we investigated the effects of pioglitazone treatment on whole-body aerobic capacity and skeletal muscle energy metabolism in MetS patients. MATERIALS AND METHODS: Fourteen male patients with MetS received oral 15 mg/day pioglitazone for 4 months. To assess whole-body aerobic capacity, exercise testing with a bicycle ergometer was performed before and after pioglitazone treatment...
December 8, 2016: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/27928204/a-feasibility-study-related-to-inactive-cancer-survivors-compared-with-non-cancer-controls-during-aerobic-exercise-training
#14
Scott N Drum, Riggs J Klika, Susan D Carter, Lisa K Sprod, Lars Donath
Cancer survivors (CA) tend to demonstrate metabolic, cardiac, and ventilatory alterations due to previous chemotherapy and radiation that may impair adaptability following aerobic exercise training. Exercise training adaptations of CA finished with primary treatment compared to non-cancer participants (NC) have not yet been extensively elucidated. Thus, the present study compared physiologic responses of CA versus NC following a low-to-moderate intensity, 8-wk aerobic training program. Thirty-seven previously sedentary participants (CA: n = 14, 12 females; NC: n = 23, 19 females) with no heart or metabolic disease did not differ in age, height, weight, and body mass index (51 ± 2 y, 1...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27918679/movement-patterns-and-metabolic-responses-during-an-international-rugby-sevens-tournament
#15
Anthony Couderc, Claire Thomas, Mathieu Lacome, Julien Piscione, Julien Robineau, Rémi Delfour-Peyrethon, Rachel Borne, Christine Hanon
PURPOSE: This study investigated the running-demands and associated metabolic perturbations during an official rugby sevens tournament. METHODS: Twelve elite players participated in seven matches wearing Global Positioning System units. Maximal sprinting speed (MSS) and maximal aerobic speed (MAS) were measured. High-intensity threshold was individualized relative to MAS (>100% of MAS) and very high-intensity distance were reported relative to both MAS and MSS...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27902257/acinetobacter-larvae-sp-nov-isolated-from-the-larval-gut-of-omphisa-fuscidentalis
#16
Song Liu, Yanwei Wang, Zhiyong Ruan, Kedong Ma, Bo Wu, Yansheng Xu, Jingli Wang, Yang You, Mingxiong He, Guoquan Hu
A Gram-stain-negative, non-spore-forming, non-motile, and aerobic coccobacilli shaped strain, designated BRTC-1T, was isolated from the gut of Omphisa fuscidentalis Hampson, which is a larva of a moth and was collected from Xishuangbanna Dai Autonomous Prefecture in China. The isolate was found to grow at NaCl concentrations of 0-5 % (w/v) (optimum: 0 %), 10-45 ℃ (optimum: 30-35 ℃) and pH 5.0-9.0 (optimum: 6.0) on TSA. Analysis of the 16S rRNA gene sequence indicated that the isolate belongs to the genus Acinetobacter and most closely related to Acinetobacter rudis LMG 26107T, Acinetobacter guillouiae LMG 988T and Acinetobacter bereziniae LMG 1003T with 96...
November 8, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27902223/bacillus-capparidis-sp-nov-a-novel-endophytic-bacterium-isolated-from-roots-of-capparis-spinosa-l
#17
Hong-Fei Wang, Qiu-Li Li, Yong-Guang Zhang, Min Xiao, Xing-Kui Zhou, Jian-Wei Guo, Yan-Qing Duan, Wen-Jun Li
A novel endophytic bacterium, designated strain EGI 6500252T, was isolated from the surface-sterilized roots of medicinal plant (Capparis spinosa L.) collected from Urumqi city, Xinjiang, north-west of China. Cells were Gram-staining-positive, non-motile, aerobic, catalase- and oxidase-positive, rod-shaped and did not display spore formation. Strain EGI 6500252T grew at 10-40 °C (optimum 25-30 °C) and pH 6.0-8.0 (optimum pH 7.0), and in the presence of 0-10 % NaCl (w/v) (optimum 0-3 %). The major cellular fatty acids (> 10 %) were identified as iso-C15:0, anteiso-C15:0, anteiso-C17:0 and Sum In feature 4...
October 26, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27871205/the-effects-of-two-different-swimming-training-periodization-on-physiological-parameters-at-various-exercise-intensities
#18
Vicente Javier Clemente-Suárez, Athanasios Dalamitros, João Ribeiro, Ana Sousa, Ricardo J Fernandes, J Paulo Vilas-Boas
This study analysed the effects of two different periodization strategies on physiological parameters at various exercise intensities in competitive swimmers. Seventeen athletes of both sexes were divided to two groups, the traditional periodization (TPG, n = 7) and the reverse periodization group (RPG, n = 10). Each group followed a 10-week training period based on the two different periodization strategies. Before and after training, swimming velocity (SV), energy expenditure (EE), energy cost (EC) and percentage of aerobic (%Aer) and anaerobic (%An) energy contribution to the swimming intensities corresponding to the aerobic threshold (AerT), the anaerobic threshold (AnT) and the velocity at maximal oxygen uptake (vVO2max) were measured...
November 21, 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/27848017/effects-of-a-12-week-short-interval-intermittent-low-intensity-slow-jogging-program-on-skeletal-muscle-fat-infiltration-and-fitness-in-older-adults-randomized-controlled-trial
#19
Masahiro Ikenaga, Yosuke Yamada, Yujiro Kose, Kazuhiro Morimura, Yasuki Higaki, Akira Kiyonaga, Hiroaki Tanaka
PURPOSE: We developed a short-interval, low-intensity, slow-jogging (SJ) program consisting of sets of 1 min of SJ at walking speed and 1 min of walking. We aimed to examine the effects of an easily performed SJ program on skeletal muscle, fat infiltration, and fitness in older adults. METHODS: A total of 81 community-dwelling, independent, older adults (70.8 ± 4.0 years) were randomly assigned to the SJ or control group. The SJ group participants were encouraged to perform 90 min of SJ at their anaerobic threshold (AT) intensity and 90 min of walking intermittently per week...
November 15, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27837190/hyperoxia-results-in-increased-aerobic-metabolism-following-acute-brain-injury
#20
Arnab Ghosh, David Highton, Christina Kolyva, Ilias Tachtsidis, Clare E Elwell, Martin Smith
Acute brain injury is associated with depressed aerobic metabolism. Below a critical mitochondrial pO2 cytochrome c oxidase, the terminal electron acceptor in the mitochondrial respiratory chain, fails to sustain oxidative phosphorylation. After acute brain injury, this ischaemic threshold might be shifted into apparently normal levels of tissue oxygenation. We investigated the oxygen dependency of aerobic metabolism in 16 acutely brain-injured patients using a 120-min normobaric hyperoxia challenge in the acute phase (24-72 h) post-injury and multimodal neuromonitoring, including transcranial Doppler ultrasound-measured cerebral blood flow velocity, cerebral microdialysis-derived lactate-pyruvate ratio (LPR), brain tissue pO2 (pbrO2), and tissue oxygenation index and cytochrome c oxidase oxidation state (oxCCO) measured using broadband spectroscopy...
November 11, 2016: Journal of Cerebral Blood Flow and Metabolism
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