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"Exercise" and "performance"

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https://www.readbyqxmd.com/read/29166321/adipose-lipolysis-unchanged-by-preexercise-carbohydrate-regardless-of-glycemic-index
#1
Daniel A Baur, Brandon D Willingham, Kyle A Smith, Jacob N Kisiolek, Margaret C Morrissey, Patrick G Saracino, Tristan J Ragland, Michael J Ormsbee
PURPOSE: To determine the impact of pre-exercise carbohydrate of different glycemic indices on subcutaneous abdominal adipose tissue (SCAAT) metabolism and running performance. METHODS: Ten trained male runners completed three experimental trials consisting of 30 min at 60% VO2max, 30 min at 75% VO2max, and a 5-km time trial (TT). Thirty min prior to exercise, participants consumed one of three beverages: 1) 75 g low glycemic index modified starch supplement (UCAN), 2) 75 g high glycemic index glucose-based supplement (G), or 3) a flavor-matched non-caloric placebo (PL)...
November 20, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29165783/after-action-review-of-the-2009-10-h1n1-influenza-outbreak-response-ohio-s-public-health-system-s-performance
#2
William A Mase, Beth Bickford, Casey L Thomas, Shamika D Jones, Michael Bisesi
OBJECTIVE: In early 2009, H1N1 influenza was identified within the human population. Centers for Disease Control and Prevention (CDC) officials responded with focused assessment, policy development, and assurances. The response was mobilized through efforts including procurement of adequate vaccine supply, local area span of control, materials acquisition, and facilities and resource identification. METHODS: Qualitative evaluation of the assurance functions specific to the system's ability to assure safe and healthy conditions are reported...
September 2017: Journal of Emergency Management: JEM
https://www.readbyqxmd.com/read/29165733/impact-of-type-of-sport-gender-and-age-on-red-blood-cell-deformability-of-elite-athletes
#3
Fabian Tomschi, Wilhelm Bloch, Marijke Grau
Our objective was to detect possible differences in red blood cell (RBC) deformability of elite athletes performing different types of sports and being of different age and gender.182 athletes were included in this cross-sectional study. RBC deformability was measured using the laser-assisted optical rotational cell-analyzer. Maximal elongation index (EI max) and shear stress at half-maximum deformation (SS 1/2) were calculated. The ratio SS 1/2 /EI max (EI Ratio) was calculated with low values representing high RBC deformation...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29165540/mobile-application-removes-societal-barriers-to-p4-medicine
#4
J-P Michel
The overlap between one innovative paradigm (P4 medicine: predictive, personalized, participatory and preventive) and another (a new definition of "Healthy ageing") is fertile ground for new technologies; a new mobile application (app) that could broaden our scientific knowledge of the ageing process and help us to better analyse the impact of possible interventions in slowing the ageing decline. A novel mobile application is here presented as a game including questions and tests will allow in 10 minutes the assessment of the following domains: robustness, flexibility (lower muscle strength), balance, mental and memory complaints, semantic memory and visual retention...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/29165174/the-joint-impact-of-habitual-exercise-and-glycemic-control-on-the-incidence-of-chronic-kidney-disease-ckd-in-middle-aged-and-older-males
#5
Ryoma Michishita, Takuro Matsuda, Shotaro Kawakami, Satoshi Tanaka, Akira Kiyonaga, Hiroaki Tanaka, Natsumi Morito, Yasuki Higaki
BACKGROUND: This retrospective study evaluated the influence of the joint impact of habitual exercise and glycemic control on the incidence of chronic kidney disease (CKD) during a 6-year follow-up period in middle-aged and older males. METHODS: The study population included 303 males without a history of cardiovascular disease, stroke, renal dysfunction, or dialysis treatment. Their lifestyle behaviors regarding exercise and physical activity were evaluated using a standardized self-administered questionnaire...
November 6, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29165142/the-effect-of-exercise-intensity-on-brain-derived-neurotrophic-factor-and-memory-in-adolescents
#6
Yong Kyun Jeon, Chang Ho Ha
BACKGROUND: Brain derived neurotrophic factor (BDNF) seems to serve as an important regulatory mechanism in the growth and development of neurons in many areas of the brain.Insulin-like growth factor 1 (IGF-1) is related to neurogenesis and regulation of the BDNF gene and is involved in the growth and differentiation of neurons.Cortisol is released in response to stimuli such as psychological oppression, anxiety, and fear. Stress also induces changes in BDNF. The purpose of this study was thus to examine the effects of varying intensities of aerobic exercise on resting serum BDNF, IGF-1 concentrations, cortisol, and memory of adolescents...
April 4, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164179/schroth-physiotherapeutic-scoliosis-specific-exercises-for-adolescent-idiopathic-scoliosis-how-many-patients-require-treatment-to-prevent-one-deterioration-results-from-a-randomized-controlled-trial-sosort-2017-award-winner
#7
Sanja Schreiber, Eric C Parent, Doug L Hill, Douglas M Hedden, Marc J Moreau, Sarah C Southon
Background: Recent randomized controlled trials (RCTs) support using physiotherapeutic scoliosis-specific exercises (PSSE) for adolescents with idiopathic scoliosis (AIS). All RCTs reported statistically significant results favouring PSSE but none reported on clinical significance. The number needed to treat (NNT) helps determine if RCT results are clinically meaningful. The NNT is the number of patients that need to be treated to prevent one bad outcome in a given period. A low NNT suggests that a therapy has positive outcomes in most patients offered the therapy...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/29164088/step-initiation-deficits-in-children-with-faulty-posture-diagnosed-with-neurodevelopmental-disorders-during-infancy
#8
Magdalena Stania, Alina Sarat-Spek, Teresa Blacha, Beata Kazek, Kajetan J Słomka, Ewa Emich-Widera, Grzegorz Juras
Background: Early detection of movement deficits during step initiation will facilitate the selection of the optimal physiotherapy management strategy. The main aim of the study was to assess potential differences in step initiation between 5- and 6-year-old children with faulty posture who had been diagnosed with neurodevelopmental disorders during infancy and healthy children. Methods: The experimental group consisted of 19 children aged 5-6 years with faulty posture, who had been diagnosed with neurodevelopmental disorders during infancy and were given physiotherapy in the first year of their lives...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29163201/short-term-high-and-moderate-intensity-training-modifies-inflammatory-and-metabolic-factors-in-response-to-acute-exercise
#9
Fabio Santos Lira, Thaislaine Dos Santos, Renan Santos Caldeira, Daniela S Inoue, Valéria L G Panissa, Carolina Cabral-Santos, Eduardo Z Campos, Bruno Rodrigues, Paula A Monteiro
Purpose: To compare the acute and chronic effects of high intensity intermittent training (HIIT) and steady state training (SST) on the metabolic profile and inflammatory response in physically active men. Methods: Thirty recreationally active men were randomly allocated to a control group (n = 10), HIIT group (n = 10), or SST group (n = 10). For 5 weeks, three times per week, subjects performed HIIT (5 km 1-min at 100% of maximal aerobic speed interspersed by 1-min passive recovery) or SST (5 km at 70% of maximal aerobic speed) while the control group did not perform training...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163199/slow-breathing-can-be-operantly-conditioned-in-the-rat-and-may-reduce-sensitivity-to-experimental-stressors
#10
Donald J Noble, William N Goolsby, Sandra M Garraway, Karmarcha K Martin, Shawn Hochman
In humans, exercises involving slowed respiratory rate (SRR) counter autonomic sympathetic bias and reduce responses to stressors, including in individuals with various degrees of autonomic dysfunction. In the rat, we examined whether operant conditioning could lead to reductions in respiratory rate (RR) and performed preliminary studies to assess whether conditioned SRR was sufficient to decrease physiological and behavioral responsiveness to stressors. RR was continuously monitored during 20 2-h sessions using whole body plethysmography...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163193/changes-in-muscle-and-cerebral-deoxygenation-and-perfusion-during-repeated-sprints-in-hypoxia-to-exhaustion
#11
Sarah J Willis, Laurent Alvarez, Grégoire P Millet, Fabio Borrani
During supramaximal exercise, exacerbated at exhaustion and in hypoxia, the circulatory system is challenged to facilitate oxygen delivery to working tissues through cerebral autoregulation which influences fatigue development and muscle performance. The aim of the study was to evaluate the effects of different levels of normobaric hypoxia on the changes in peripheral and cerebral oxygenation and performance during repeated sprints to exhaustion. Eleven recreationally active participants (six men and five women; 26...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29163146/influence-of-sequential-vs-simultaneous-dual-task-exercise-training-on-cognitive-function-in-older-adults
#12
REVIEW
Jamie L Tait, Rachel L Duckham, Catherine M Milte, Luana C Main, Robin M Daly
Emerging research indicates that exercise combined with cognitive training may improve cognitive function in older adults. Typically these programs have incorporated sequential training, where exercise and cognitive training are undertaken separately. However, simultaneous or dual-task training, where cognitive and/or motor training are performed simultaneously with exercise, may offer greater benefits. This review summary provides an overview of the effects of combined simultaneous vs. sequential training on cognitive function in older adults...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29163114/interaction-between-bdnf-polymorphism-and-physical-activity-on-inhibitory-performance-in-the-elderly-without-cognitive-impairment
#13
Anne Canivet, Cédric T Albinet, Montserrat Rodríguez-Ballesteros, Christian Chicherio, Delphine Fagot, Nathalie André, Michel Audiffren
Background: In the elderly, physical activity (PA) enhances cognitive performances, increases brain plasticity and improves brain health. The neurotrophic hypothesis is that the release of brain-derived neurotrophic factor (BDNF), which is implicated in brain plasticity and cognition, is triggered by PA because motoneurons secrete BDNF into the bloodstream during exercise. Individual differences in cognitive performance may be explained by individual differences in genetic predisposition. A single nucleotide polymorphism on the BDNF gene, BDNFVal66Met, affects activity-dependent BDNF secretion...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29162941/aerobic-performance-in-tinamous-is-limited-by-their-small-heart-a-novel-hypothesis-in-the-evolution-of-avian-flight
#14
Jordi Altimiras, Isa Lindgren, Lina María Giraldo-Deck, Alberto Matthei, Álvaro Garitano-Zavala
Some biomechanical studies from fossil specimens suggest that sustained flapping flight of birds could have appeared in their Mesozoic ancestors. We challenge this idea because a suitable musculoskeletal anatomy is not the only requirement for sustained flapping flight. We propose the "heart to fly" hypothesis that states that sustained flapping flight in modern birds required an enlargement of the heart for the aerobic performance of the flight muscles and test it experimentally by studying tinamous, the living birds with the smallest hearts...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29162719/limiting-factors-in-walking-performance-of-subjects-with-copd
#15
Marcela Alves Sanseverino, Matteo Pecchiari, Renata Luisa Bona, Danilo Cortozi Berton, Francisco Busolli de Queiroz, Mathieu Gruet, Leonardo A Peyré-Tartaruga
INTRODUCTION: Exercise intolerance is the most predominant symptom in patients with COPD. Nevertheless, it is unclear whether walking economy and gait variability are altered in these patients. Thus, our main objective was to compare the cost of transport and gait variability as a function of speed, including the self-selected walking speed, in subjects with COPD relative to healthy subjects. METHODS: 22 subjects, 11 with COPD (FEV1 = 45 ± 17% of predicted) and 11 age- and sex-matched healthy subjects undertook an evaluation that involved walking on a treadmill at 6 speeds (at 3...
November 21, 2017: Respiratory Care
https://www.readbyqxmd.com/read/29162381/strategies-adopted-by-younger-and-older-adults-while-operating-a-non-pedal-tricycle
#16
Tatiane Calve, Douglas Vicente Russo Júnior, Ana Maria Forti Barela
BACKGROUND: Exercises that could prevent gait impairment of older adults should be implemented in such a way that practitioners can keep motivation and adherence independent of older adults fitness levels. OBJECTIVE: This study describes how younger and older adults use a non-pedal tricycle to transport their bodies along a pathway. METHODS: Nine younger (24±4.9y) and nine older (66±4.0y) adults participated in this study. They moved along a straight pathway at a self-selected comfortable speed with reflective markers on their main lower limb landmarks...
November 8, 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/29162078/a-tailored-counseling-and-home-based-rehabilitation-program-to-increase-physical-activity-and-improve-mobility-among-community-dwelling-older-people-after-hospitalization-protocol-of-a-randomized-controlled-trial
#17
K Turunen, L Aaltonen, J Kumpumäki, E Portegijs, S Keikkala, M-L Kinnunen, T Finni, S Sipilä, R Nikander
BACKGROUND: Physical activity (PA) decreases during hospitalization. In particular, the amount of PA engaged in by older people who are hospitalized following musculoskeletal injury is likely to be limited for months after discharge home. Given the importance of an active lifestyle for their recovery and the prevention of future adverse outcomes, there is clearly a need for interventions to increase PA. This article describes the protocol of a randomized controlled trial set up to investigate the effects of a physical activity oriented home rehabilitation program (ProPA) on PA and the restoration of mobility in community-dwelling older people...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29161748/whole-body-cryotherapy-as-a-recovery-technique-after-exercise-a-review-of-the-literature
#18
Catriona Rose, Kate M Edwards, Jason Siegler, Kenneth Graham, Corinne Caillaud
This review aims to evaluate the current body of literature investigating the effect of whole body cryotherapy on recovery after exercise. A systematic search was conducted to investigate the effect of whole body cryotherapy (WBC, exposure to temperatures between -110 to -190°C) on markers of recovery after damaging exercise in healthy, physically active subjects. Of the 16 eligible articles extracted, ten induced muscle damage using controlled exercise in a laboratory setting, while six induced damage during sport-specific training...
November 21, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29161746/exercise-performed-concomitantly-with-particulate-matter-exposure-inhibits-lung-injury
#19
Adriano Silva-Renno, Guilherme Crisitanini Baldivia, Manoel C Oliveira-Junior, Maysa Alves Rodrigues Brandao-Rangel, Elias El-Mafarjeh, Marisa Dolhnikoff, Thaís Mauad, Jôse Mára Britto, Paulo Hilário Nascimento Saldiva, Luis Vicente Franco Oliveira, Ana P Ligeiro-Oliveira, Gustavo Silveira Graudenz, Rodolfo Paula Vieira
Air pollution is a growing problem worldwide, inducing and exacerbating several diseases. Among the several components of air pollutants, particulate matter (PM), especially thick (10-2.5 µm; PM 10) and thin (≤2.5 µm; PM 2.5), are breathable particles that easily can be deposited within the lungs, resulting in pulmonary and systemic inflammation. Although physical activity is strongly recommended, its effects when practiced in polluted environments are questionable. Therefore, the present study evaluated the pulmonary and systemic response of concomitant treadmill training with PM 2...
November 21, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29161538/analysis-of-crash-proportion-by-vehicle-type-at-traffic-analysis-zone-level-a-mixed-fractional-split-multinomial-logit-modeling-approach-with-spatial-effects
#20
Jaeyoung Lee, Shamsunnahar Yasmin, Naveen Eluru, Mohamed Abdel-Aty, Qing Cai
In traffic safety literature, crash frequency variables are analyzed using univariate count models or multivariate count models. In this study, we propose an alternative approach to modeling multiple crash frequency dependent variables. Instead of modeling the frequency of crashes we propose to analyze the proportion of crashes by vehicle type. A flexible mixed multinomial logit fractional split model is employed for analyzing the proportions of crashes by vehicle type at the macro-level. In this model, the proportion allocated to an alternative is probabilistically determined based on the alternative propensity as well as the propensity of all other alternatives...
November 18, 2017: Accident; Analysis and Prevention
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