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https://www.readbyqxmd.com/read/29899711/unchanged-erythrocyte-profile-after-exposure-to-cryogenic-temperatures-in-elder-marathon-runners
#1
Jadwiga Szymura, Magdalena Wiecek, Marcin Maciejczyk, Joanna Gradek, Malgorzata Kantorowicz, Zbigniew Szygula
Objective: Endurance runners may experience "sports anemia" resulting from intravascular hemolysis. In addition, aging has negative impact on hematopoiesis and rheological properties of blood, and erythrocyte membranes in older people are more vulnerable to oxidative damage, which together can lead to anemia. Whole-body cryostimulation (WBCST) is increasingly used in the elderly as a method of biological regeneration of athletes or therapy and preventive treatment. That is why the aim of the study was to determine whether repeated WBCST had an effect on the erythrocyte system in master marathon runners, compared to non-training men...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29895633/reflections-on-the-boston-marathon-from-a-breast-cancer-oncologist-or-why-i-just-don-t-quit
#2
Amy H Comander
No abstract text is available yet for this article.
June 12, 2018: Oncologist
https://www.readbyqxmd.com/read/29881202/marathon-running-may-induce-a-temporary-bone-loss
#3
Young June Yoon
No abstract text is available yet for this article.
June 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29879473/homing-of-the-stem-cells-from-the-acupoint-st-36-to-the-site-of-a-spinal-cord-injury-a-preliminary-study
#4
Sharon Jiyoon Jung, Myung Geun Kook, Sungchul Kim, Kyung-Sun Kang, Kwang-Sup Soh
Homing of stem cells (SCs) to desired targets such as injured tissues remains a lingering problem in cell-based therapeutics. Studies on the biodistribution of intravenously administered SCs have shown the inefficacy of blood vessels as the homing path because most of the injected SCs are captured in the capillary beds of the lungs. We considered an alternative administration method utilizing the acupuncture meridians or the primo vascular system (PVS). We injected SCs at the acupoint Zusanli (ST-36) below the knee of a nude mouse with a spinal cord injured at the thoracic T9-10 vertebrae...
June 4, 2018: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/29876509/sudden-cardiac-arrest-during-marathon-training-in-a-young-adult-with-short-qt-syndrome
#5
Daisuke Wakatsuki, Yoshitaka Iso, Hiroshi Mase, Masaaki Kurata, Etsushi Kyuno, Hisa Shimojima, Taku Asano, Takeyuki Sambe, Hiroshi Suzuki
No abstract text is available yet for this article.
March 2018: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/29868800/science-is-a-marathon-not-a-sprint-creating-a-positive-for-culture-for-early-career-researchers
#6
Marina Picciotto, Marcus Munafò
No abstract text is available yet for this article.
June 1, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29846979/kinetic-risk-factors-of-running-related-injuries-in-female-recreational-runners
#7
Christopher Napier, Christopher L MacLean, Jessica Maurer, Jack E Taunton, Michael A Hunt
Our objective was to prospectively investigate the association of kinetic variables with running-related injury (RRI) risk. Seventy-four healthy female recreational runners ran on an instrumented treadmill while 3D kinetic and kinematic data were collected. Kinetic outcomes were vertical impact transient, average vertical loading rate, instantaneous vertical loading rate, active peak, vertical impulse, and peak braking force (PBF). Participants followed a 15-week half-marathon training program. Exposure time (hours of running) was calculated from start of program until onset of injury, loss to follow-up, or end of program...
May 30, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29805363/athlete-s-hepatitis-in-a-young-healthy-marathon-runner
#8
Hafiz Khan, Jobin Phillipose, Moiz Ahmed, Liliane Deeb
Athlete's hepatitis is an uncommon clinical condition characterized by a significant ischemic insult to the liver. The most likely pathogenesis is decreased blood supply to the liver resulting in significant hypoxic hepatocyte injury. We report a case of a 48-year-old healthy young male who presented with athlete's hepatitis confirmed by liver biopsy after a 14-mile marathon run. To our knowledge, this is the second case of athlete's ischemic hepatitis reported in the literature. It is a diagnosis worth considering in patients involved in extreme exercise programs...
January 2018: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29795742/sex-and-age-differences-in-trail-half-marathon-running
#9
James W Navalta, Jeffrey Montes, Elizabeth A Tanner, Nathaniel G Bodell, John C Young
Female participation is growing in trail running races. The purpose was to evaluate sex and age differences in top finishers of a trail running half marathon. Velocity differences between males (M) and females (F) were determined for the top 10 finishers of the Moab Trail Half Marathon from 2012 - 2015 across age, and by finishing place. Differences between age category and between sexes were determined through ANOVA with significance accepted at P < 0.05. A significant difference for running velocity was present between sexes at each age category (20-29 yr F = 2...
2018: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29781908/musculoskeletal-injury-in-paddle-sport-athletes
#10
Andrew R Griffin, Diana M Perriman, Teresa M Neeman, Paul N Smith
INTRODUCTION: Kayak racing has been an Olympic sport since 1936. The sport is evolving with the introduction of ocean skis and stand-up-paddle boards (SUP). Musculoskeletal injury incidence surveys have been conducted for ultra-marathon events, but no data have been published for other racing formats. OBJECTIVE: To identify and compare the rates and types of injuries sustained by paddling athletes as a function of discipline and training parameters in Sprint, Marathon, Ultra-Marathon, and Ocean events...
May 16, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29780808/real-time-observations-of-food-and-fluid-timing-during-a-120-km-ultramarathon
#11
Floris C Wardenaar, Daan Hoogervorst, Joline J Versteegen, Nancy van der Burg, Karin J Lambrechtse, Coen C W G Bongers
The aim of the present case study was to use real-time observations to investigate ultramarathon runners' timing of food and fluid intake per 15 km and per hour, and total bodyweight loss due to dehydration. The study included 5 male ultramarathon runners observed during a 120 km race. The research team members followed on a bicycle and continuously observed their dietary intake using action cameras. Hourly carbohydrate intake ranged between 22.1 and 62.6 g/h, and fluid intake varied between 260 and 603 mL/h...
2018: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29776561/circulating-micrornas-as-emerging-cardiac-biomarkers-responsive-to-acute-exercise
#12
David de Gonzalo-Calvo, Alberto Dávalos, Manuel Fernández-Sanjurjo, Laura Amado-Rodríguez, Susana Díaz-Coto, Cristina Tomás-Zapico, Ana Montero, Ángela García-González, Vicenta Llorente-Cortés, Maria Eugenia Heras, Araceli Boraita Pérez, Ángel E Díaz-Martínez, Natalia Úbeda, Eduardo Iglesias-Gutiérrez
BACKGROUND: Circulating microRNAs (c-miRNAs) are mediators of intercellular communication with great potential as cardiac biomarkers. The analysis of c-miRNAs in response to physiological stress, such as exercise, would provide valuable information for clinical practice and a deeper understanding of the molecular response to physical activity. Here, we analysed for the first time the acute exercise response of c-miRNAs reported as biomarkers of cardiac disease in a well-characterized cohort of healthy active adults...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29764890/marathon-kids-uk-study-design-and-protocol-for-a-mixed-methods-evaluation-of-a-school-based-running-programme
#13
Anna E Chalkley, Ash C Routen, Jo P Harris, Lorraine A Cale, Trish Gorely, Lauren B Sherar
INTRODUCTION: Schools are promising settings for physical activity promotion; however, they are complex and adaptive systems that can influence the quality of programme implementation. This paper presents an evaluation of a school-based running programme (Marathon Kids). The aims of this study are (1) to identify the processes by which schools implement the programme, (2) identify and explain the contextual factors affecting implementation and explications of effectiveness and (3) examine the relationship between the level of implementation and perceived outcomes...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29761269/effects-of-running-a-marathon-on-irisin-concentration-in-men-aged-over-50
#14
Paweł Jóźków, Dawid Koźlenia, Katarzyna Zawadzka, Marek Konefał, Paweł Chmura, Katarzyna Młynarska, Michał Kosowski, Marek Mędraś, Jan Chmura, Piotr Ponikowski, Jacek Daroszewski
Our aim was to verify whether running a marathon is associated with changes in irisin concentration in healthy, endurance-trained men. In an observational study, we assessed baseline biochemical and fitness parameters of 28 middle-aged runners (mean ± SD age, BMI, VO2max : 58 ± 8 years; 24.5 ± 3 kg/m2 ; 51.1 ± 1.7 ml/kg/min). We evaluated irisin before, immediately after, and 7 days after the marathon. Irisin concentration decreased from a baseline value of 639 ± 427 to 461 ± 255 ng/ml immediately after the marathon (p < 0...
May 14, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29757053/applying-a-low-fodmap-dietary-intervention-to-a-female-ultra-endurance-runner-with-irritable-bowel-syndrome-during-a-multi-stage-ultra-marathon
#15
Stephanie K Gaskell, Ricardo J S Costa
Malabsorption of Fermentable Oligo- Di- and Mono-saccharides and Polyols (FODMAPs) in response to prolonged exercise may increase incidence of upper- and lower-gastrointestinal symptoms (GIS), which are known to impair exercise performance. The case-study aimed to explore the impact of a low-FODMAP diet on exercise-associated GIS in a female ultra-endurance runner diagnosed with irritable bowel syndrome (IBS), competing in a six-day 186.7 km mountainous multi-stage ultra-marathon (MSUM). IBS symptom severity score at diagnosis was 410 and following a low-FODMAP diet (3...
May 14, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29756799/it-gets-better-with-time-enhancement-of-age-related-positivity-effect-in-the-six-months-following-a-highly-negative-public-event
#16
Jaclyn H Ford, Haley D DiBiase, Ehri Ryu, Elizabeth A Kensinger
Age is associated with shifts toward more positive memory retrieval. The current study examined these shifts following a negative public event. Participants completed two surveys examining emotional responses to the 2013 Boston Marathon bombings, one immediately following the attack and another 6 months later. Age was associated with different effects of time on how individuals reflected on this event. Time was associated with an increased focus on negative components in young adults but a decreased focus in older adults...
May 2018: Psychology and Aging
https://www.readbyqxmd.com/read/29743826/effect-of-bilberry-juice-on-indices-of-muscle-damage-and-inflammation-in-runners-completing-a-half-marathon-a-randomised-placebo-controlled-trial
#17
Anthony Lynn, Samantha Garner, Nichola Nelson, Trevor N Simper, Anna C Hall, Mayur K Ranchordas
Background: Emerging evidence indicates that fruits rich in polyphenols may attenuate exercise-induced muscle damage and associated markers of inflammation and soreness. This study was conducted to determine whether bilberry juice (BJ), which is particularly rich in polyphenols, reduces markers of muscle damage in runners completing a half marathon. Methods: A total of 21 recreationally trained runners (age 30.9 ± 10.4 y; mass 71.6 ± 11.0 kg; M = 16; F = 5) were recruited to a single blind, randomised, placebo-controlled, parallel study...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29738320/case-series-of-exertional-heat-stroke-in-runners-during-early-spring-2014-to-2016-cincinnati-flying-pig-marathon
#18
Jon G Divine, Matthew W Daggy, Emily E Dixon, Dustin P LeBlanc, Richard A Okragly, Kimberly A Hasselfeld
No abstract text is available yet for this article.
May 2018: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29731746/response-of-gut-microbiota-to-metabolite-changes-induced-by-endurance-exercise
#19
Xia Zhao, Zhujun Zhang, Bin Hu, Wei Huang, Chao Yuan, Lingyun Zou
A few animal studies have shown that wheel running could reverse an unhealthy status by shifting the gut microbial composition, but no investigations have studied the effect of endurance running, such as marathon running, on human gut microbial communities. Since many findings have shown that marathon running immediately causes metabolic changes in blood, urine, muscles and lymph that potentially impact the gut microbiota (GM) within several hours. Here, we investigated whether the GM immediately responds to the enteric changes in amateur half-marathon runners...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29729132/we-run-this-city-impact-of-a-community-school-fitness-program-on-obesity-health-and-fitness
#20
Elaine A Borawski, Sarah Drewes Jones, Laura Danosky Yoder, Tara Taylor, Barbara A Clint, Meredith A Goodwin, Erika S Trapl
INTRODUCTION: The We Run This City (WRTC) Youth Marathon Program is a community-supported, school-based fitness program designed to increase physical activity in a large, urban school district by engaging middle school youth to train 12 to 14 weeks to run or walk 1.2 miles, 6.2 miles, or 13.1 miles of the Rite Aid Cleveland Marathon. The objective of our study was to evaluate the effect of the intervention on adolescent health. METHODS: We assessed changes in obesity, health, and fitness, measured before training and postintervention, among 1,419 sixth- to eighth-grade students participating in WRTC for the first time, with particular interest in the program's effect on overweight (85th-94th body mass index percentile) or obese (≥95th percentile) students...
May 3, 2018: Preventing Chronic Disease
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