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"Exercise physiology" and "performance"

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https://www.readbyqxmd.com/read/28630575/acute-and-post-exercise-physiological-responses-to-high-intensity-interval-training-in-endurance-and-sprint-athletes
#1
Lukas Cipryan, Gerhard Tschakert, Peter Hofmann
The purpose of the presented study was to compare acute and post-exercise differences in cardiorespiratory, metabolic, cardiac autonomic, inflammatory and muscle damage responses to high-intensity interval exercise (HIIT) between endurance and sprint athletes. The study group consisted of sixteen highly-trained males (age 22.1 ± 2.5 years) participating in endurance (n = 8) or sprint (n = 8) sporting events. All the participants underwent three exercise sessions: short HIIT (work interval duration 30s), long HIIT (3min) and constant load exercise (CE)...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28474874/poincar%C3%A3-plot-analysis-of-ultra-short-term-heart-rate-variability-during-recovery-from-exercise-in-physically-active-men
#2
Rayana L Gomes, Luiz C Marques Vanderlei, David M Garner, Milana D Ramos Santana, Luiz C de Abreu, Vitor E Valenti
BACKGROUND: Recently there has been increasing interest in the study of ultra-short- term heart rate variability (HRV) in sports performance and exercise physiology. In order to improve standardization of this specific analysis, we evaluated the ultra-short-term HRV analysis through SD1Poincaré index to identify exercise induced responses. METHODS: We investigated 35 physically active men aged between 18 and 35 years old. Volunteers performed physical exercise on treadmill with intensity of 6...
April 26, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28467920/the-limits-of-exercise-physiology-from-performance-to-health
#3
REVIEW
Brendan M Gabriel, Juleen R Zierath
Many of the established positive health benefits of exercise have been documented by historical discoveries in the field of exercise physiology. These investigations often assess limits: the limits of performance, or the limits of exercise-induced health benefits. Indeed, several key findings have been informed by studying highly trained athletes, in addition to healthy or unhealthy people. Recent progress has been made in regard to skeletal muscle metabolism and personalized exercise regimes. In this perspective, we review some of the historical milestones of exercise physiology, discuss how these inform contemporary knowledge, and speculate on future questions...
May 2, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28424267/using-a-novel-data-resource-to-explore-heart-rate-during-mountain-and-road-running
#4
Andrew Best, Barry Braun
Online, accessible performance and heart rate data from running competitions are posted publicly or semi-publicly to social media. We tested the efficacy of one such data resource- Strava- as a tool in exercise physiology investigations by exploring heart rate differences in mountain racing and road racing running events. Heart rate and GPS pace data were gathered from Strava activities posted by 111 males aged 21-49, from two mountain races (Mt. Washington Road Race and Pike's Peak Ascent) and two road race distances (half marathon and marathon)...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28400701/studies-on-the-exercise-physiology-of-draft-horses-performed-in-japan-during-the-1950s-and-1960s
#5
Atsushi Hiraga, Shigeru Sugano
Although the total number of horses raised in Japan dramatically decreased after World War II, because draft horses were still used for farm work in paddy fields and on farms during the period of the 1950s and 1960s, a performance test for selecting better draft horses was needed. In order to determine the most suitable size of draft horses for Japanese farm conditions, the working power of horses weighing from 185 to 622 kg was evaluated by performing an endurance test, several kinds of working power tests, and maximum pulling power tests...
2017: Journal of Equine Science
https://www.readbyqxmd.com/read/28288203/the-effects-of-menstrual-cycle-phase-on-physical-performance-in-female-soccer-players
#6
Ross Julian, Anne Hecksteden, Hugh H K Fullagar, Tim Meyer
BACKGROUND: Female soccer has grown extensively in recent years, however differences in gender-specific physiology have rarely been considered. The female reproductive hormones which rise and fall throughout the menstrual cycle, are known to affect numerous cardiovascular, respiratory, thermoregulatory and metabolic parameters, which in turn, may have implications on exercise physiology and soccer performance. Therefore, the main aim of the present study was to investigate potential effects of menstrual cycle phase on performance in soccer specific tests...
2017: PloS One
https://www.readbyqxmd.com/read/28282326/effects-of-mental-fatigue-on-endurance-performance-in-the-heat
#7
Jeroen Van Cutsem, Kevin De Pauw, Luk Buyse, Samuele Marcora, Romain Meeusen, Bart Roelands
PURPOSE: Mental fatigue is a psychobiological state caused by prolonged periods of demanding cognitive activity and has been observed to decrease time-trial (TT) endurance performance by ~3,5% in normal ambient temperatures. Recently it has been suggested that heat may augment the negative effect of mental fatigue on cognitive performance, raising the question whether it may also amplify the effect of mental fatigue on TT-performance. METHODS: In 30 °C and 30% relative humidity, ten endurance-trained male athletes (Age: 22 ± 3 y; Wmax: 332 ± 41 W) completed two experimental conditions: intervention (I; 45-min Stroop task) and control (C; 45-min documentary)...
March 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28270724/exercise-for-people-with-cancer-a-clinical-practice-guideline
#8
R Segal, C Zwaal, E Green, J R Tomasone, A Loblaw, T Petrella
BACKGROUND: Development of this guideline was undertaken by the Exercise for People with Cancer Guideline Development Group, a group organized by Cancer Care Ontario's Program in Evidence-Based Care (pebc). The purpose of the guideline was to provide guidance for clinicians with respect to exercise for patients living with cancer, focusing on the benefits of specific types of exercise, recommendations about screening requirements for new referrals, and safety concerns. METHODS: Consistent with the pebc's standardized approach, a systematic search was conducted for existing guidelines, and systematic literature searches were performed in medline and embase for both systematic reviews and primary literature...
February 2017: Current Oncology
https://www.readbyqxmd.com/read/28188199/back-to-the-future-revisiting-the-physiological-cost-of-negative-work-as-a-team-based-activity-for-exercise-physiology-students
#9
Matthew A Kilgas, Steven J Elmer
We implemented a team-based activity in our exercise physiology teaching laboratory that was inspired from Abbott et al.'s classic 1952 Journal of Physiology paper titled "The physiological cost of negative work." Abbott et al. connected two bicycles via one chain. One person cycled forward (muscle shortening contractions, positive work) while the other resisted the reverse moving pedals (muscle lengthening contractions, negative work), and the cost of work was compared. This study was the first to link human whole body energetics with isolated muscle force-velocity characteristics...
March 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/28140625/ncaa-football-off-season-training-unanswered-prayers%C3%A2-a-prayer-answered
#10
Scott Anderson
Off-season training in year-round collegiate football is purported to be performance enhancing. Absent principles of exercise physiology, excesses in sport-training regimens pose risk to the participant athletes. Since 2000, 33 National Collegiate Athletic Association (NCAA) football players have died in sport: 27 nontraumatic deaths and 6 traumatic deaths, a ratio of 4.5 nontraumatic deaths for every traumatic death. On average, 2 NCAA football players die per season. Best practices, consensus guidelines, and precautions are ignored, elevating the risk...
February 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28006436/professor-bengt-saltin-symposium-environmental-challenges-to-human-performance
#11
REVIEW
Philip N Ainslie
This short review is from a presentation made at the Bengt Saltin Symposium, October 15-17, at the 2015 Canadian Society for Exercise Physiology conference, Hamilton, Canada. The review provides context of the important work of the late Dr. Saltin's contributions to environmental physiology. In addition to well-controlled laboratory experiments to better understand the influence of hypoxia or temperature, or both, Dr. Saltin also led several field expeditions to the North Greenland, Kenya, Himalayas, and the Andes, where he studied several aspects of human adaptation to environment...
January 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28006435/linking-skeletal-muscle-blood-flow-and-metabolism-to-the-limits-of-human-performance
#12
REVIEW
Robert Boushel
Over the last 50 years, Bengt Saltin's contributions to our understanding of physiology of the circulation, the matching of the circulation to muscle metabolism, and the underlying mechanisms that set the limits for exercise performance were enormous. His research addressed the key questions in the field using sophisticated experimental methods including field expeditions. From the Dallas Bedrest Study to the 1-leg knee model to the physiology of lifelong training, his prodigious body of work was foundational in the field of exercise physiology and his leadership propelled integrative human physiology into the mainstream of biological sciences...
January 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27974872/studies-on-exercise-physiology-and-performance-testing-of-racehorses-performed-in-japan-during-the-1930s-using-recovery-rate-as-an-index
#13
Atsushi Hiraga, Shigeru Sugano
The history of research on the exercise physiology of racehorses in Japan dates back to the 1930s. A research report entitled "Studies on exercise physiology and performance testing of the racehorse", published in 1933 by Shigeo Matsuba and Torao Shimamura of The University of Tokyo, was epoch-making and the most important study in the history of equine exercise physiology in Japan. Research results were reported from 92 Thoroughbred racehorses in a large-scale project during the period of 1928 to 1932 at the Shimofusa Imperial Farm and the Koiwai Farm, which were the two greatest racehorse farms at that time...
2016: Journal of Equine Science
https://www.readbyqxmd.com/read/27903779/exercise-physiology-and-sports-science-must-be-considered-in-evolutionary-theories-regarding-human-performance-a-reply-to-postma-2016
#14
James M Smoliga, Gerald S Zavorsky
No abstract text is available yet for this article.
November 2016: Biology Letters
https://www.readbyqxmd.com/read/27748688/influence-of-skill-and-exercise-training-parameters-on-locomotor-recovery-during-stroke-rehabilitation
#15
T George Hornby, Jennifer L Moore, Linda Lovell, Elliot J Roth
PURPOSE OF REVIEW: Research findings from the fields of motor learning and exercise physiology suggest specific training parameters that can be manipulated during physical rehabilitation profoundly influence skilled task performance. This review details the rationale for some of these training variables and their application in selected intervention studies focused on improving walking function in patients poststroke. RECENT FINDINGS: Basic and applied studies have shown that the amount, intensity, and variability of specific task practice applied during rehabilitation interventions can affect recovery of walking poststroke...
December 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27692228/beyond-the-bruce-protocol-advanced-exercise-testing-for-the-sports-cardiologist
#16
REVIEW
Satyam Sarma, Benjamin D Levine
Exercise testing is an important tool for determining baseline fitness as well as to diagnose limitations in performance. The Bruce protocol has become the standard for exercise testing protocol in many exercise physiology laboratories, but is rarely a suitable test for athletes who often have complex hemodynamic and metabolic demands during exercise required for practice and competition. We describe the approach for exercise testing beyond the Bruce protocol and focus on strategies to individualize the testing protocol to the metabolic demands of an athlete's sport...
November 2016: Cardiology Clinics
https://www.readbyqxmd.com/read/27684743/proceedings-of-the-canadian-society-for-exercise-physiology-annual-general-meeting-from-health-to-high-performance-compte-rendu-du-congr%C3%A3-s-annuel-de-la-soci%C3%A3-t%C3%A3-canadienne-de-physiologie-de-l-exercice-%C3%A2-from-health-to-high-performance-%C3%A2
#17
(no author information available yet)
No abstract text is available yet for this article.
September 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/27632867/strength-training-using-elastic-band-improves-muscle-power-and-throwing-performance-in-young-female-handball-players
#18
Naryana Cristina Mascarin, Claudio Andre Barbosa de Lira, Rodrigo Luiz Vancini, Alberto de Castro Pochini, Antonio Carlos da Silva, Marilia Dos Santos Andrade
CONTEXT: Imbalance in shoulder rotator muscles has been considered a risk factor for injuries in handball. Strength training programs (STP) may play an important preventive role. OBJECTIVE: To verify the effects of an STP by using elastic band on shoulder muscles and ball throwing speed. DESIGN: Randomized and prospective controlled trial. SETTING: Exercise Physiology Laboratory. PARTICIPANTS: Thirty nine female handball players were randomly assigned to experimental (EG, n=21, 15...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27617485/exploring-the-potential-of-cfdna-measurements-after-an-exhaustive-cycle-ergometer-test-as-a-marker-for-performance-related-parameters
#19
Suzan Tug, Matthias Mehdorn, Susanne Helmig, Sarah Breitbach, Tobias Ehlert, Perikles Simon
PURPOSE: Intensive exercise is known to be accompanied by a rapid release of cell free DNA (cfDNA). The physiological significance of cfDNA release for performance diagnostics has not been studied. Here we analysed the release of cfDNA during bicycle exercise and its correlation with physiological parameters. METHODS: Eleven male athletes performed an incremental cycling test. Venous blood was collected before, immediately after exercise and after 90 minutes of recovery...
September 6, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27540370/environmental-influences-on-elite-sport-athletes-well-being-from-gold-silver-and-bronze-to-blue-green-and-gold
#20
Aoife A Donnelly, Tadhg E MacIntyre, Nollaig O'Sullivan, Giles Warrington, Andrew J Harrison, Eric R Igou, Marc Jones, Chris Gidlow, Noel Brick, Ian Lahart, Ross Cloak, Andrew M Lane
This paper considers the environmental impact on well-being and performance in elite athletes during Olympic competition. The benefits of exercising in natural environments are recognized, but less is known about the effects on performance and health in elite athletes. Although some Olympic events take place in natural environments, the majority occur in the host city, usually a large densely populated area where low exposure to natural environments is compounded by exposure to high levels of air, water, and noise pollution in the ambient environment...
2016: Frontiers in Psychology
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