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https://www.readbyqxmd.com/read/28930878/performance-of-future-elite-players-at-the-nfl-scouting-combine
#1
David P Hedlund
The purpose of this study is to examine players' physical and performance measures taken at the NFL Scouting Combine and compare these to their future performance in the NFL. From 2002-2016, three types of player data (N=5,506) were collected from secondary data sources. Results players earned on various NFL Scouting Combine drills and measurements (e.g., height, weight, 40-yard dash time, vertical jump, bench press repetitions, shuttle run time, and 3-cone drill time), the position players play on the field (e...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28928671/aerobic-exercise-training-selectively-changes-oxysterol-levels-and-metabolism-reducing-cholesterol-accumulation-in-the-aorta-of-dyslipidemic-mice
#2
Guilherme Silva Ferreira, Paula R Pinto, Rodrigo T Iborra, Vanessa Del Bianco, Monique Fátima Mello Santana, Edna Regina Nakandakare, Valéria S Nunes, Carlos E Negrão, Sergio Catanozi, Marisa Passarelli
Background: Oxysterols are bioactive lipids that control cellular cholesterol synthesis, uptake, and exportation besides mediating inflammation and cytotoxicity that modulate the development of atherosclerosis. Aerobic exercise training (AET) prevents and regresses atherosclerosis by the improvement of lipid metabolism, reverse cholesterol transport (RCT) and antioxidant defenses in the arterial wall. We investigated in dyslipidemic mice the role of a 6-week AET program in the content of plasma and aortic arch cholesterol and oxysterols, the expression of genes related to cholesterol flux and the effect of the exercise-mimetic AICAR, an AMPK activator, in macrophage oxysterols concentration...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28926635/a-comparison-of-running-kinetics-in-children-with-and-without-genu-varus-a-cross-sectional-study
#3
Amir Ali Jafarnezhadgero, Morteza Madadi Shad, Mahdi Majlesi, Urs Granacher
INTRODUCTION: Varus knee alignment has been identified as a risk factor for the progression of medial knee osteoarthritis. However, the underlying mechanisms have not been elucidated yet in children. Thus, the aims of the present study were to examine differences in ground reaction forces, loading rate, impulses, and free moment values during running in children with and without genu varus. METHODS: Thirty-six boys aged 9-14 volunteered to participate in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28926007/economics-for-assisting-policy-makers-to-take-decisions-about-new-and-endemic-diseases
#4
T E Carpenter
Animal health policy-makers are frequently faced with making decisions concerning the control and exclusion of diseases in livestock and wildlife populations. Economics is one of the tools they have to aid their decision-making. It can enable them to make objective decisions based on the expected costs and benefits of their policy. In addition, economics can help them determine both the distribution impact and the indirect impact of their decisions. However, economics is only one of many tools available to policy-makers, who also need to consider non-economic outcomes in their decision-making process...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925162/-effect-of-corydalis-rhizoma-and-l-tetrahydropalmatine-on-dopamine-system-of-hippocampus-and-striatum-in-morphine-induced-conditioned-place-preference-rats
#5
Shou-Yang Yu, Wei-Feng Bai, Ping Tu, Cheng-Kai Qiu, Pei-Run Yang, Su-Yuan Luo
To investigate the effects of Corydalis Rhizoma and L-tetrahydropalma-tine (L-THP) on the levels of dopamine neurotransmitter (DA), dopamine transporter (DAT) and the second dopamine receptor (D2R) in learning and memory-related brain areas, hippocampus and striatum, the DA, DAT and D2R were detected in conditioned place preference (CPP) rats suffered from morphine. And comparation the degree of similarity and consistency of the pharmacological effects was also studied. The rats were trained in black compartments and white ones (drug-paired compartment) with the increasing doses of morphine for 10 days (hypodermically injected from 10 mg•kg⁻¹ to 100 mg•kg⁻¹)...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28922682/the-energy-cost-of-running-with-the-ball-in-soccer
#6
Alessandro Piras, Milena Raffi, Charalampos Atmatzidis, Franco Merni, Rocco Di Michele
Running with the ball is a soccer-specific activity frequently used by players during match play and training drills. Nevertheless, the energy cost (EC) of on-grass running with the ball has not yet been determined. The purpose of this study was therefore to assess the EC of constant-speed running with the ball, and to compare it with the EC of normal running. Eight amateur soccer players performed two 6- min runs at 10 km/h on artificial turf, respectively with and without the ball. EC was measured with indirect calorimetry and, furthermore, estimated with a method based on players' accelerations measured with a GPS receiver...
September 18, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28922134/training-based-gradient-lbp-feature-models-for-multiresolution-texture-classification
#7
Luping Ji, Yan Ren, Guisong Liu, Xiaorong Pu
Local binary pattern (LBP) is a simple, yet efficient coding model for extracting texture features. To improve texture classification, this paper designs a median sampling regulation, defines a group of gradient LBP (gLBP) descriptors, proposes a training-based feature model mapping method, and then develops a texture classification frame using the multiresolution feature fusion of four gLBP descriptors. Cooperated by median sampling, four descriptors encode a pixel respectively by central gradient, radial gradient, magnitude gradient and tangent gradient to generate initial gLBP patterns...
September 18, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28919854/pranas-a-new-platform-for-retinal-analysis-and-simulation
#8
Bruno Cessac, Pierre Kornprobst, Selim Kraria, Hassan Nasser, Daniela Pamplona, Geoffrey Portelli, Thierry Viéville
The retina encodes visual scenes by trains of action potentials that are sent to the brain via the optic nerve. In this paper, we describe a new free access user-end software allowing to better understand this coding. It is called PRANAS (https://pranas.inria.fr), standing for Platform for Retinal ANalysis And Simulation. PRANAS targets neuroscientists and modelers by providing a unique set of retina-related tools. PRANAS integrates a retina simulator allowing large scale simulations while keeping a strong biological plausibility and a toolbox for the analysis of spike train population statistics...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28918787/-running-and-causes-of-running-related-injuries
#9
Camilla Kjær Cullum, Peter Hung Thanh Tran, Simon Døssing
Running is one of the most popular sports among the adult Danish population. Overuse injuries of the knee, such as runners knee, jumpers knee, patello-femoral pain syndrome and patello-femoral pre-arthrosis, are common and cause reduction of the health beneficial physical activity. Treatment should primarily focus on adjustment of training habits and physiotherapeutic guided rehabilitation. Other treatment options include changing landing pattern during running, corticosteroid injections, non-steroid anti-inflammatory drugs and ultimately surgery...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28917608/environmental-enrichment-in-the-absence-of-wheel-running-produces-beneficial-behavioural-and-anti-oxidative-effects-in-rats
#10
F Mármol, J Sánchez, M N Torres, V D Chamizo
The effects of early environmental enrichment (EE) when solving a simple spatial task in adult male rats were assessed. After weaning, rats were housed in pairs in enriched or standard cages (EE and control groups) for two and a half months. Then the rats were trained in a triangular-shaped pool to find a hidden platform whose location was defined in terms of two sources of information, a landmark outside the pool and a particular corner of the pool. As expected, enriched rats reached the platform faster than control animals...
September 13, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28917232/compressed-food-with-added-functional-oligopeptides-improves-performance-during-military-endurance-training
#11
Zhi-Qiang Zheng, Zhan-Hui Geng, Jia-Xi Liu, Shun-Tang Guo
BACKGROUND AND OBJECTIVES: Oligosaccharide or oligopeptide supplementation may have a significant impact on endurance performance. This study evaluated the effects of adding maltooligosaccharides (MO) or soy oligopeptides (SO) to compressed food (CF) on the physical response of soldiers to daily military training. METHODS AND STUDY DESIGN: Twelve soldiers were randomized to four diet groups: regular meals, CF, CFMO, and CFSO (crossover design). They participated in exercise tests including 90 minutes running at 55-65% VO2max and exhaustive running...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28916822/ampk-phosphorylation-of-ulk1-is-required-for-targeting-of-mitochondria-to-lysosomes-in-exercise-induced-mitophagy
#12
Rhianna C Laker, Joshua C Drake, Rebecca J Wilson, Vitor A Lira, Bevan M Lewellen, Karen A Ryall, Carleigh C Fisher, Mei Zhang, Jeffrey J Saucerman, Laurie J Goodyear, Mondira Kundu, Zhen Yan
Mitochondrial health is critical for skeletal muscle function and is improved by exercise training through both mitochondrial biogenesis and removal of damaged/dysfunctional mitochondria via mitophagy. The mechanisms underlying exercise-induced mitophagy have not been fully elucidated. Here, we show that acute treadmill running in mice causes mitochondrial oxidative stress at 3-12 h and mitophagy at 6 h post-exercise in skeletal muscle. These changes were monitored using a novel fluorescent reporter gene, pMitoTimer, that allows assessment of mitochondrial oxidative stress and mitophagy in vivo, and were preceded by increased phosphorylation of AMP activated protein kinase (Ampk) at tyrosine 172 and of unc-51 like autophagy activating kinase 1 (Ulk1) at serine 555...
September 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28912661/effectiveness-of-movement-therapy-interventions-and-training-modifications-for-preventing-running-injuries-a-meta-analysis-of-randomized-controlled-trials
#13
Žiga Kozinc, Nejc Šarabon
Runners are at relatively high risk for sustaining an overuse injury. While many risk factors have been documented so far, previous reviews have mostly failed to identify effective interventions to lower injury risk in runners. To review the high-quality evidence on two types of preventive interventions - movement therapy interventions and training-modification interventions, regarding running-related injury prevention. Pubmed (MEDLINE), PEDro and Cochrane Central Register of Controlled Trials databases were searched in April 2017, with no date or language restrictions, using following search terms: running injury prevention, running injury therapy, running injury incidence, running injury exercise and running injury risk...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28912649/does-live-high-train-low-and-high-hypoxic-training-alter-running-mechanics-in-elite-team-sport-players
#14
Olivier Girard, Grégoire P Millet, Jean-Benoit Morin, Franck Brocherie
This study aimed to investigate if "Live High-Train Low (and High)" hypoxic training alters constant-velocity running mechanics. While residing under normobaric hypoxia (≥14 h·d(-1); FiO2 14.5-14.2%) for 14 days, twenty field hockey players performed, in addition to their usual training in normoxia, six sessions (4 × 5 × 5-s maximal sprints; 25 s passive recovery; 5 min rest) under either normobaric hypoxia (FiO2 ~14.5%, n = 9) or normoxia (FiO2 20.9%, n = 11). Before and immediately after the intervention, their running pattern was assessed at 10 and 15 km·h(-1) as well as during six 30-s runs at ~20 km·h(-1) with 30-s passive recovery on an instrumented motorised treadmill...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28910623/laminar-organization-of-encoding-and-memory-reactivation-in-the-parietal-cortex
#15
Aaron A Wilber, Ivan Skelin, Wei Wu, Bruce L McNaughton
Egocentric neural coding has been observed in parietal cortex (PC), but its topographical and laminar organization is not well characterized. We used multi-site recording to look for evidence of local clustering and laminar consistency of linear and angular velocity encoding in multi-neuronal spiking activity (MUA) and in the high-frequency (300-900 Hz) component of the local field potential (HF-LFP), believed to reflect local spiking activity. Rats were trained to run many trials on a large circular platform, either to LED-cued goal locations or as a spatial sequence from memory...
September 13, 2017: Neuron
https://www.readbyqxmd.com/read/28904232/effects-of-high-versus-moderate-intensity-training-on-neuroplasticity-and-functional-recovery-after-focal-ischemia
#16
Caroline Pin-Barre, Annabelle Constans, Jeanick Brisswalter, Christophe Pellegrino, Jérôme Laurin
BACKGROUND AND PURPOSE: This study was designed to compare the effects of high-intensity interval training (HIT) and moderate-intensity aerobic training (MOD) on functional recovery and cerebral plasticity during the first 2 weeks after cerebral ischemia. METHODS: Rats were randomized as follows: control (n=15), SHAM (n=9), middle cerebral artery occlusion (n=13), middle cerebral artery occlusion at day 1 (n=7), MOD (n=13), and HIT (n=13). Incremental tests were performed at day 1 (D1) and 14 (D14) to identify the running speed associated with the lactate threshold (SLT) and the maximal speed (Smax)...
September 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28902118/concurrent-training-followed-by-detraining-does-the-resistance-training-intensity-matter
#17
António C Sousa, Daniel A Marinho, Maria H Gil, Mikel Izquierdo, David Rodríguez-Rosell, Henrique P Neiva, Mário C Marques
The aim of the present study was to analyze the training and detraining effects of concurrent aerobic training and resistance training against three different external loads on strength and aerobic variables. Thirty-two men were randomly assigned to four groups: low-load (LLG, n=9), moderate-load (MLG, n=9), high-load (HLG, n=8), and control group (CG, n=6). Resistance training consisted of FS with a low-load (40-55% 1RM), a moderate-load (55-70% 1RM) or a high-load (70-85% 1RM) combined with jump and sprint exercises...
September 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28902113/comparative-effects-of-two-interval-shuttle-run-training-modes-on-physiological-and-performance-adaptations-in-female-professional-futsal-players
#18
Anderson S Teixeira, Francimara B Arins, Ricardo D De Lucas, Lorival J Carminatti, Naiandra Dittrich, Fábio Yuzo Nakamura, Luiz Guilherme A Guglielmo
The purpose of the present study was to analyze the effects of two shuttle-run interval training (SRIT) models with one and three directional changes per running bout on the aerobic and anaerobic performances of elite female futsal players. Sixteen players competing in the Brazilian National Division League took part in the study. The training protocols consisted of shuttle-run intervals organized in four sets of 4-min bouts with 3- min of rest intervals between the sets. The SRIT models were composed of one (7...
September 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28901999/recruitment-of-prefrontal-striatal-circuit-in-response-to-skilled-motor-challenge
#19
Yumei Guo, Zhuo Wang, Sandhya Prathap, Daniel P Holschneider
A variety of physical fitness regimens have been shown to improve cognition, including executive function, yet our understanding of which parameters of motor training are important in optimizing outcomes remains limited. We used functional brain mapping to compare the ability of two motor challenges to acutely recruit the prefrontal-striatal circuit. The two motor tasks - walking in a complex running wheel with irregularly spaced rungs or walking in a running wheel with a smooth internal surface - differed only in the extent of skill required for their execution...
September 8, 2017: Neuroreport
https://www.readbyqxmd.com/read/28901963/underlying-chronic-disease-medication-use-history-of-running-injuries-and-being-a-more-experienced-runner-are-independent-factors-associated-with-exercise-associated-muscle-cramping-a-cross-sectional-study-in-15778-distance-runners
#20
Martin P Schwellnus, Sonja Swanevelder, Esme Jordaan, Wayne Derman, Dina C Janse Van Rensburg
BACKGROUND: Exercise-associated muscle cramping (EAMC) is a significant medical complication in distance runners, yet factors associated with EAMC are poorly documented. OBJECTIVE: To document risk factors associated with EAMC in runners. DESIGN: Cross-sectional study. SETTING: Two ocean races (21.1 km, and 56 km). PARTICIPANTS: Fifteen thousand seven hundred seventy-eight race entrants. METHODS: Participants completed a prerace medical history screening tool including: training, cardiovascular disease (CVD), risk factors for, and symptoms of CVD, history of diseases affecting major organ systems, cancer, allergies, medication use, and running injury...
August 18, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
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