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https://www.readbyqxmd.com/read/29308849/postactivation-potentiation-effect-of-overloaded-cycling-on-subsequent-cycling-wingate-performance
#1
Kenji Doma, Anthony S Leicht, Moritz Schumann, Akinori Nagata, Kazuma Senzaki, Carl E Woods
BACKGROUND: This study examined the postactivation potentiation effects of overloaded cycling on subsequent Wingate performance. METHODS: Twenty anaerobic-trained men took part in this study. The participants were randomly allocated to complete three testing sessions separated by 7 days. Each week, participants either undertook a control session (CON) consisting of a sub-maximal cycling warm-up protocol followed by a Wingate test, or separate sessions involving an overloaded 10-second cycling PAP protocol followed by a Wingate test at 5 (T5) or 10 (T10) minutes, post-PAP protocol...
January 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29278922/the-weathering-hypothesis-and-stillbirth-racial-disparities-across-the-life-span
#2
Anne E Brisendine, Whitney S Rice, Samantha S Goldfarb, Martha S Wingate
OBJECTIVE: Given that studies have consistently demonstrated increased risk of stillbirth with increasing maternal age as well as race-ethnic disparities in stillbirth, the primary research question is how stillbirth risks within and between race-ethnic groups change with age. DESIGN: Using fetal death (stillbirth) and live birth data from the National Center for Health Statistics 2007-2014. We calculated crude stillbirth rates (per 1,000 deliveries). Using multivariable logistic regression, we calculated adjusted odds ratios (aOR) and 95% confidence intervals (CI) for stillbirth across age groups to examine disparities in stillbirth among non-Hispanic blacks (blacks) and non-Hispanic whites (whites)...
December 27, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/29244746/effects-of-beetroot-juice-supplementation-on-a-30-s-high-intensity-inertial-cycle-ergometer-test
#3
Raul Domínguez, Manuel Vicente Garnacho-Castaño, Eduardo Cuenca, Pablo García-Fernández, Arturo Muñoz-González, Fernando de Jesús, María Del Carmen Lozano-Estevan, Sandro Fernandes da Silva, Pablo Veiga-Herreros, José Luis Maté-Muñoz
Background: Beetroot juice (BJ) is rich in inorganic nitrates and has proved effective at increasing blood nitric oxide (NO) levels. When used as a supplement BJ has shown an ergogenic effect on cardiorespiratory resistance exercise modalities, yet few studies have examined its impact on high intensity efforts. Objective: To assess the effects of BJ intake on anaerobic performance in a Wingate test. Methods: Fifteen trained men (age 21.46 ± 1.72 years, height 1.78 ± 0.07 cm and weight 76.90 ± 8.67 kg) undertook a 30-s maximum intensity test on an inertial cycle ergometer after drinking 70 mL of BJ (5...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29239995/development-of-anaerobic-fitness-in-top-level-competitive-youth-ice-hockey-players
#4
Jeff R Leiter, Dean M Cordingley, Peter B MacDonald
Ice hockey is a physiologically complex sport involving both the anaerobic and aerobic energy systems. The purpose of this study was to evaluate the anaerobic power output (PO) of top-level competitive youth hockey players. It was hypothesized that with each successive increase in age there would be an associated change in anaerobic PO. Two hundred and fifty-one male hockey players between the ages of 13-17 years of age participated in this study. All athletes completed a 30-second Wingate test as part of a pre-season physiological and fitness combine...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239986/practical-model-of-low-volume-paddling-based-sprint-interval-training-improves-aerobic-and-anaerobic-performances-in-professional-female-canoe-polo-athletes
#5
Mohsen Sheykhlouvand, Erfan Khalili, Mohammadali Gharaat, Hamid Arazi, Mousa Khalafi, Bahman Tarverdizadeh
Brief, intense exercise training employing running and cycling as exercise interventions may induce aerobic and anaerobic adaptations in athletes from wide range of sports. However, this has not been studied extensively for those sports in which the upper-body is predominantly involved. Our purpose was to examine the effects of kayak paddling-based sprint interval training (SIT) on cardiorespiratory fitness and anaerobic performance. 16 professional female canoe polo athletes (age = 27.6 ± 1.9 years; height = 165...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29233792/n-acetylcysteine-supplementation-increases-exercise-performance-and-reduces-oxidative-stress-only-in-individuals-with-low-levels-of-glutathione
#6
Vassilis Paschalis, Anastasios A Theodorou, Nikos V Margaritelis, Antonios Kyparos, Michalis G Nikolaidis
Most of the evidence indicates that chronic antioxidant supplementation induces negative effects in healthy individuals. However, it is currently unknown whether specific redox deficiencies exist and whether targeted antioxidant interventions in deficient individuals can induce positive effects. We hypothesized that the effectiveness of antioxidant supplements to decrease oxidative stress and promote exercise performance depends on the redox status of the individuals that receive the antioxidant treatment. To this aim, we investigated whether N-acetylcysteine (NAC) supplementation would enhance exercise performance by increasing glutathione concentration and by reducing oxidative stress only in individuals with low resting levels of glutathione...
December 9, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29225890/can-peer-support-be-cost-saving-an-economic-evaluation-of-rapsid-a-randomized-controlled-trial-of-peer-support-in-diabetes-compared-to-usual-care-alone-in-east-of-england-communities
#7
La'Marcus Wingate, Jonathan Graffy, Daniel Holman, David Simmons
Background: Diabetes peer support, where one person with diabetes helps others, may improve diabetes management. The objective of this study was to perform a cost analysis of peer support strategies used in RAndomized controlled trial of Peer Support in type 2 Diabetes. Methods: We performed a 2×2 factorial randomized cluster controlled trial in England. People with type 2 diabetes were invited to participate as either 'peer' or 'peer support facilitator' (PSF) through postal invitation predominantly from general practice...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/29217665/critical-determinants-of-combined-sprint-and-endurance-performance-an-integrative-analysis-from-muscle-fiber-to-the-human-body
#8
Stephan van der Zwaard, Willem J van der Laarse, Guido Weide, Frank W Bloemers, Mathijs J Hofmijster, Koen Levels, Dionne A Noordhof, Jos J de Koning, Cornelis J de Ruiter, Richard T Jaspers
Optimizing physical performance is a major goal in current physiology. However, basic understanding of combining high sprint and endurance performance is currently lacking. This study identifies critical determinants of combined sprint and endurance performance using multiple regression analyses of physiologic determinants at different biologic levels. Cyclists, including 6 international sprint, 8 team pursuit, and 14 road cyclists, completed a Wingate test and 15-km time trial to obtain sprint and endurance performance results, respectively...
December 7, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29200510/the-interaction-of-soil-phototrophs-and-fungi-with-ph-and-their-impact-on-soil-co2-co18o-and-ocs-exchange
#9
Joana Sauze, Jérôme Ogée, Pierre-Alain Maron, Olivier Crouzet, Virginie Nowak, Steven Wohl, Aurore Kaisermann, Sam P Jones, Lisa Wingate
The stable oxygen isotope composition of atmospheric CO2 and the mixing ratio of carbonyl sulphide (OCS) are potential tracers of biospheric CO2 fluxes at large scales. However, the use of these tracers hinges on our ability to understand and better predict the activity of the enzyme carbonic anhydrase (CA) in different soil microbial groups, including phototrophs. Because different classes of the CA family (α, β and γ) may have different affinities to CO2 and OCS and their expression should also vary between different microbial groups, differences in the community structure could impact the 'community-integrated' CA activity differently for CO2 and OCS...
December 2017: Soil Biology & Biochemistry
https://www.readbyqxmd.com/read/29199186/neural-adaptations-after-short-term-wingate-based-high-intensity-interval-training
#10
A Vera-Ibañez, D Colomer-Poveda, S Romero-Arenas, M Viñuela-García, G Márquez
OBJECTIVES: This study examined the neural adaptations associated with a low-volume Wingate-based High Intensity Interval Training (HIIT). METHODS: Fourteen recreationally trained males were divided into an experimental (HIIT) and a control group to determine whether a short-term (4 weeks) Wingate-based HIIT program could alter the Hoffmann (H-) reflex, volitional (V-) wave and maximum voluntary contraction (MVC) of the plantar-flexor muscles, and the peak power achieved during a Wingate test...
December 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29180694/anions-for-near-infrared-selective-organic-salt-photovoltaics
#11
Christopher J Traverse, Margaret Young, John Suddard-Bangsund, Tyler Patrick, Matthew Bates, Pei Chen, Brian Wingate, Sophia Y Lunt, Annick Anctil, Richard R Lunt
Organic molecular salts are an emerging and highly tunable class of materials for organic and transparent photovoltaics. In this work, we demonstrate novel phenyl borate and carborane-based anions paired with a near-infrared (NIR)-selective heptamethine cation. We further explore the effects of anion structures and functional groups on both device performance and physical properties. Changing the functional groups on the anion significantly alters the open circuit voltage and yields a clear dependence on electron withdrawing groups...
November 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29128621/empirical-extension-of-the-interpersonal-theory-of-suicide-investigating-the-role-of-interpersonal-hopelessness
#12
Raymond P Tucker, Christopher R Hagan, Ryan M Hill, Meredith L Slish, Courtney L Bagge, Thomas E Joiner, LaRicka R Wingate
The Interpersonal Theory of Suicide posits that hopelessness about thwarted belongingness and perceived burdensomeness is an important risk factor for the desire for suicide and suicide risk. Past research has indicated that general feelings of hopelessness interact with the constructs of thwarted belongingness and perceived burdensomeness to predict suicide ideation. However, no research has explicitly tested whether hopelessness specific to the interpersonal constructs of thwarted belongingness and perceived burdensomeness predicts suicide ideation and suicide risk...
November 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29099031/the-effects-of-acute-high-intensity-interval-training-on-hematological-parameters-in-sedentary-subjects
#13
Muaz Belviranli, Nilsel Okudan, Banu Kabak
The objective of the study was to determine the effects of acute high-intensity interval training (HIIT) on hematological parameters in sedentary men. Ten healthy, non-smoker, and sedentary men aged between 18 and 24 years participated in the study. All subjects performed four Wingate tests with 4 min intervals between the tests. Blood samples were collected at pre-exercise, immediately after, 3 and 6 h after the fourth Wingate test. Hematological parameters were analyzed in these samples. The results showed that hematocrit percentage, hemoglobin values, red cell count, mean cell volume, platelet count, total white cell count, and counts of the white cell subgroups increased immediately after the acute HIIT and their values began to return to resting levels 3 h after exercise, and completely returned to resting levels 6 h after exercise...
July 19, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29065054/the-importance-of-body-composition-in-the-national-hockey-league-combine-physiologic-assessments
#14
Nathan A Chiarlitti, Patrick Delisle-Houde, Ryan E R Reid, Cory Kennedy, Ross E Andersen
The National Hockey League (NHL) combine was designed to assess draft-eligible players based on body composition, speed, power, and strength. The importance of body composition in the battery of combine physical tests was investigated and differences in results based on position were explored. Thirty-seven elite male Canadian university hockey players (age = 22.86 ± 1.55 years, weight = 87.21 ± 6.52 kg, height = 181.69 ± 6.19 cm) participated in the study at the beginning of their hockey season. All participants underwent physical testing (as outlined in the 2016 NHL combine) and one total body dual energy x-ray absorptiometry (DXA) scan to measure body composition...
October 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29023325/performance-and-health-related-characteristics-of-male-athletes-using-marijuana
#15
Jonathon K Lisano, Jeremy D Smith, Alissa B Mathias, Matt Christensen, Peter Smoak, Kristina T Phillips, Colin J Quinn, Laura K Stewart
The influence of chronic marijuana use on the performance and health of physically active individuals has yet to be fully elucidated. The purpose of this study was to explore pulmonary function, aerobic and anaerobic fitness, strength, serum testosterone, cortisol, C-reactive protein (CRP), Δ-9-tetrahydrocannibinol (THC), 11-nor-9-carboxy-Δ-9-tetrahydrocannibinol (THC-COOH), and 11-hydroxy-Δ-9-tetrahydrocannibinol (THC-OH) concentrations in a physically active population either using or not using marijuana...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28986272/the-next-blockbuster-drug
#16
EDITORIAL
Sue Wingate
No abstract text is available yet for this article.
November 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28964781/multicenter-analysis-of-patient-reported-outcomes-following-artificial-urinary-sphincter-placement-for-male-stress-urinary-incontinence
#17
Jonathan T Wingate, Bradley A Erickson, Gregory Murphy, Thomas G Smith, Benjamin N Breyer, Bryan B Voelzke
PURPOSE: Patient-centered data regarding functional and quality of life improvements after AUS placement is lacking. We analyzed the degree of benefit from AUS placement utilizing the ISI, a validated patient reported outcome measure assessing severity and bother of urinary incontinence and the IIQ-7, a validated patient reported outcome measure assessing the impact and emotional distress of urinary incontinence. MATERIALS AND METHODS: We performed a retrospective review from four participating centers in the Trauma and Urologic Reconstruction Network of Surgeons...
September 27, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28933930/autism-spectrum-disorder-among-us-children-2002-2010-socioeconomic-racial-and-ethnic-disparities
#18
Maureen S Durkin, Matthew J Maenner, Jon Baio, Deborah Christensen, Julie Daniels, Robert Fitzgerald, Pamela Imm, Li-Ching Lee, Laura A Schieve, Kim Van Naarden Braun, Martha S Wingate, Marshalyn Yeargin-Allsopp
OBJECTIVES: To describe the association between indicators of socioeconomic status (SES) and the prevalence of autism spectrum disorder (ASD) in the United States during the period 2002 to 2010, when overall ASD prevalence among children more than doubled, and to determine whether SES disparities account for ongoing racial and ethnic disparities in ASD prevalence. METHODS: We computed ASD prevalence and 95% confidence intervals (CIs) from population-based surveillance, census, and survey data...
November 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28930880/cycling-power-outputs-predict-functional-threshold-power-and-maximum-oxygen-uptake
#19
Joshua Denham, John Scott-Hamilton, Amanda D Hagstrom, Adrian J Gray
Functional threshold power (FTP) has emerged as a correlate of lactate threshold and is commonly assessed by recreational and professional cyclists for tailored exercise programing. To identify whether results from traditional aerobic and anaerobic cycling tests could predict FTP and V˙ O2max, we analysed the association between estimated FTP, maximum oxygen uptake (V˙ O2max [mlkgmin]) and power outputs obtained from a maximal cycle ergometry cardiopulmonary exercise test (CPET) and a 30-s Wingate test in a heterogeneous cohort of cycle-trained and untrained individuals (N=40, mean±SD; age: 32...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28924314/comparison-between-standing-broad-jump-test-and-wingate-test-for-assessing-lower-limb-anaerobic-power-in-elite-sportsmen
#20
Anup Krishnan, Deep Sharma, Madhu Bhatt, Apoorv Dixit, P Pradeep
BACKGROUND: Lower limb explosive power is an important motor quality for sporting performance and indicates use of anaerobic energy systems like stored ATP and Creatine phosphate system. Weightlifting, Fencing and Wrestling use it for monitoring and identification of potential sportsmen. The Wingate test and Standing Broad Jump (SBJ) test are reliable and accurate tests for its assessment. This study conducted on elite Indian sportsmen tries to analyse feasibility of use of the SBJ test in sports and military medicine when Wingate test is impractical...
April 2017: Medical Journal, Armed Forces India
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