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Research Quarterly for Exercise and Sport

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https://www.readbyqxmd.com/read/30230980/cardiorespiratory-responses-to-downhill-versus-uphill-running-in-endurance-athletes
#1
Marcel Lemire, Evelyne Lonsdorfer-Wolf, Marie-Eve Isner-Horobeti, Blah Y L Kouassi, Bernard Geny, Fabrice Favret, Stéphane P Dufour
PURPOSE: Mountain running races are becoming increasingly popular, although our understanding of the particular physiology associated with downhill running (DR) in trained athletes remains scarce. This study explored the cardiorespiratory responses to high-slope constant velocity uphill running (UR) and DR. METHOD: Eight endurance athletes performed a maximal incremental test and 2 15-min running bouts (UR, +15%, or DR, -15%) at the same running velocity (8.5 ± 0...
September 19, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30199314/spousal-concordance-for-objectively-measured-sedentary-behavior-and-physical-activity-among-middle-aged-and-older-couples
#2
Kazuhiro Harada, Kouhei Masumoto, Narihiko Kondo
PURPOSE: Although it has been proposed that 1 spouse's health behaviors might correlate with the other spouse's health behavior among married couples, few studies have focused on sedentary behavior. This study examined whether objectively measured sedentary behavior and physical activity are correlated with each other and whether attachment to one's spouse moderates such correlations among middle-aged and older married couples. METHODS: Seventy-two couples participated in the survey...
September 10, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30152728/secular-changes-in-physical-education-attendance-among-u-s-high-school-students-1991-2015
#3
Morgan N Clennin, Zewditu Demissie, Shannon L Michael, Carly Wright, Stephen Silverman, Jamie Chriqui, Russell R Pate
PURPOSE: The purpose of this study was to examine changes in school-based physical education (PE) attendance over time among nationally representative samples of U.S. high school students and how changes in PE attendance have varied across demographic subgroups. METHOD: Student demographic information and PE attendance data were obtained from 13 biennial cycles (1991-2015) of the national Youth Risk Behavior Survey (YRBS). Physical education variables derived from YRBS data included PE attendance, daily PE, average PE days/week, and PE frequency...
August 28, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30071182/moderate-intensity-oxygen-uptake-kinetics-is-a-mono-exponential-function-always-appropriate-to-model-the-response
#4
Julian Dale, Mark Glaister
PURPOSE: This study investigated the existence of the oxygen uptake ([Formula: see text]) overshoot and the effects of exercise intensity and fitness status on the [Formula: see text] response during moderate-intensity exercise. METHODS: Twelve "high-fitness" (Mage = 26 ± 5 years; Mheight = 184.1 ± 5.4 cm; Mbody mass = 76.6 ± 8.9 kg; mean peak oxygen uptake ([Formula: see text]peak) = 59.0 ± 3.3 mL·kg-1 ·min·-1 ) and 11 "moderate-fitness" (Mage = 29 ± 5 years; Mheight = 178...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30040542/shape-america-s-50-million-strong-tm-critical-research-questions-related-to-youth-physical-activity
#5
Heather Erwin, Timothy A Brusseau, Russell Carson, Samuel Hodge, Minsoo Kang
SHAPE America - Society of Health and Physical Educators has targeted youth physical activity (PA) as 1 of its 4 goals within the 50 Million StrongTM campaign. Only 27.1% of youth met the target of all students (preK-12) participating in at least 60 min of PA that increases their heart rate enough to breathe hard at least some of the time for 7 days/week. Thus, improvements for child and adolescent engagement in PA need to be made now through 2029 and beyond. The need for these improvements warrants research related to PA and youth...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30040540/moving-forward-a-research-agenda-for-shape-america
#6
Darla Castelli, Hans van der Mars
No abstract text is available yet for this article.
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30019994/utility-of-the-youth-compendium-of-physical-activities
#7
Barbara E Ainsworth, Kathleen B Watson, Kate Ridley, Karin A Pfeiffer, Stephen D Herrmann, Scott E Crouter, Robert G McMurray, Nancy F Butte, David R Bassett, Stewart G Trost, David Berrigan, Janet E Fulton
PURPOSE: The purposes of this article are to: (a) describe the rationale and development of the Youth Compendium of Physical Activities (Youth Compendium); and (b) discuss the utility of the Youth Compendium for audiences in research, education, community, health care, public health, and the private sector. METHODS: The Youth Compendium provides a list of 196 physical activities (PA) categorized by activity types, specific activities, and metabolic costs (youth metabolic equivalents of task [METy ]) as measured by indirect calorimetry...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30015598/relative-age-effect-biological-maturation-and-coaches-efficacy-expectations-in-young-male-soccer-players
#8
Iván Peña-González, Jaime Fernández-Fernández, Manuel Moya-Ramón, Eduardo Cervelló
PURPOSE: The talent identification and selection process in young male soccer players is mainly focused on anthropometrics and physical performance, but social factors are also considered in this process. The purpose of this study was to test the existence of the relative age effect and its possible influence on anthropometrics and physical performance and to analyze coaches' efficacy expectations. METHOD: Data for 564 young male soccer players (Mage = 13.7 ± 1...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30015580/effect-of-dehydration-on-passing-decision-making-in-soccer-athletes
#9
Leonardo S Fortes, José R A Nascimento-Júnior, Arnaldo L Mortatti, Dalton Roberto Alvas Araújo de Lima-Júnior, Maria E C Ferreira
It seems that dehydration may impair decision-making performance in athletes. PURPOSE: This study aimed to investigate the influence of dehydration on passing decision-making performance in soccer players. METHOD: Participants were 40 male soccer players (Mage = 22.3 ± 2.3 years) who agreed to participate in the study and were randomly assigned to the following conditions: control (CON), dehydration (DEH), and euhydration (EUH). The players played in 2 games of 90 min in duration (2 45-min halves) followed by 2 15-min halves (overtime) with and without proper hydration...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/30015575/feasibility-for-the-use-of-a-standardized-fitness-testing-protocol-among-australian-fitness-industry-professionals
#10
Jason A Bennie, Glen H Wiesner, Ineke Vergeer, Tracy L Kolbe-Alexander, Katrien De Cocker, Chris Alexander, Stuart J H Biddle
PURPOSE: There is currently no standardized testing protocol for assessing clients' fitness/health within the Australian fitness industry. This study examined the perceptions of the feasibility of using a standardized testing protocol among Australian fitness industry professionals. METHOD: In 2014, 1,206 registered fitness industry professionals (aged 17-69 years) completed an online survey. Perceived feasibility for using a standardized testing protocol was assessed based on responses to 6 items...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29985774/improving-functional-movement-proficiency-in-middle-school-physical-education
#11
Cheryl A Coker
PURPOSE: The purpose of this study was to examine whether functional movement proficiency could be improved as measured via the Functional Movement Screen using a standardized warm-up protocol in middle school physical education. A secondary purpose was to determine whether such improvement, if it occurred, would positively influence the technical performance of 4 fundamental motor skills: overhand throw, vertical jump, kicking, and running. METHOD: Participants were 120 7th- and 8th-grade physical education student volunteers...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29985772/females-with-visual-impairments-in-physical-education-exploring-the-intersection-between-disability-and-gender-identities
#12
Justin A Haegele, Amanda Yessick, Xihe Zhu
PURPOSE: The purpose of this study was to use an explicitly intersectional approach to examine the embodied experiences of individuals identifying as female and as having a visual impairment in school-based physical education. METHOD: An interpretative phenomenological analysis (IPA) research approach was used, and 8 adult women (ages 21-30 years) with visual impairments acted as participants for this study. The primary sources of data were semistructured audiotaped telephone interviews and reflected field notes...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29985771/self-narrative-profiles-of-elite-athletes-and-comparisons-on-psychological-well-being
#13
Benjamin J Houltberg, Kenneth T Wang, Wei Qi, Christina S Nelson
Further research is needed on factors related to the emotional health of elite athletes. Previous research has linked self-narratives of people or their narrative identities to their psychological well-being. However, no study has yet examined self-narratives among elite athletes. PURPOSE: This study examined whether specific profiles or narrative identities of athletes emerge through multiple self-narrative indicators; these profiles were compared on measures of psychological well-being (e...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29897308/optimization-of-maximal-rate-of-heart-rate-increase-assessment-in-runners
#14
Clint R Bellenger, Rebecca L Thomson, Kade Davison, Eileen Y Robertson, Maximillian J Nelson, Laura Karavirta, Jonathan D Buckley
PURPOSE: Correlations between fatigue-induced changes in exercise performance and maximal rate of heart rate (HR) increase (rHRI) may be affected by exercise intensity during assessment. This study evaluated the sensitivity of rHRI for tracking performance when assessed at varying exercise intensities. METHOD: Performance (time to complete a 5-km treadmill time-trial [5TTT]) and rHRI were assessed in 15 male runners following 1 week of light training, 2 weeks of heavy training (HT), and a 10-day taper (T)...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29889625/physical-education-teachers-awareness-and-understanding-of-concussions-and-concussion-policies-and-protocols
#15
Kasee Hildenbrand, K Andrew R Richards, Paul M Wright
PURPOSE: Our primary aim was to determine physical educators' current level of understanding of concussion symptoms and response guidelines. METHOD: Participants included 404 in-service physical educators (137 male, 266 female, 1 other) recruited through 3 SHAPE America - Society of Health and Physical Educators communication outlets. Participants were asked to complete an online survey. The survey included 8 questions related to previous concussion training, 6 items to measure awareness of concussion policies, 20 items related to concussion symptoms, and 14 items for concussion knowledge...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29889618/supramaximal-eccentrics-versus-traditional-loading-in-improving-lower-body-1rm-a-meta-analysis
#16
Andrew N L Buskard, Heath R Gregg, Soyeon Ahn
Guidelines for improving maximal concentric strength through resistance training (RT) have traditionally included large muscle-group exercises, full ranges of motion, and a load approximating 85% of the 1-repetition maximum (1RM). Supramaximal eccentric training (SME; controlled lowering of loads above the concentric 1RM) has also been shown to be effective at increasing concentric 1RM in the lower body, but concerns regarding injury risk, postexercise soreness, and null benefit over traditional methods (TRAD) may limit the practical utility of this approach...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29889610/sex-related-responses-to-eccentric-only-resistance-training-in-knee-extensors-muscle-strength-and-architecture
#17
Giuseppe Coratella, Stefano Longo, Emiliano Cè, Eloisa Limonta, Susanna Rampichini, Angela Valentina Bisconti, Federico Schena, Fabio Esposito
PURPOSE: The present study aimed to investigate whether or not eccentric-only training induced different sex-related adaptations in vastus lateralis muscle architecture and knee extensors strength. METHODS: Thirteen healthy women and 13 healthy men were recruited. Vastus lateralis pennation angle, fascicle length, and muscle thickness, as well as knee extensors eccentric, isometric, and concentric peak torque and one-repetition maximum (1RM) were measured. Both women and men underwent a unilateral iso-load knee-extension eccentric-only training with 120% of the concentric 1RM, consisting of 4 sets × 10 repetitions twice a week for a total of 8 weeks...
September 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29723136/the-history-of-aerobics-50-years-and-still-counting
#18
Kenneth H Cooper
Looking back over the 50 years since Aerobics was published, I could never have expected for there to have been a major change in physicians' attitudes toward the value of exercise in the practice of medicine. In my lifetime, I never thought I would see a stress test be considered a mandatory component of a complete examination, inactivity classified as importantly as high blood pressure and high cholesterol, and cigarette smoking considered a coronary risk factor. I have tried in this Research Quarterly for Exercise and Sport (RQES) Lecture presentation to document how this slow but gradual transition took place due to my work and the work of many of my colleagues in this field, along with the important work of The Cooper Institute...
June 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29694272/effect-of-mouthguard-use-on-metabolic-and-cardiorespiratory-responses-to-aerobic-exercise-in-males
#19
RANDOMIZED CONTROLLED TRIAL
Michael S Green, Amanda K Benson, Tyler D Martin
PURPOSE: This study investigated the physiological effects of wearing a mouthguard during submaximal treadmill exercise. METHOD: Twenty-four recreationally active males (Mage = 21.3 ± 2.4 years, Mheight = 1.78 ± 0.06 m, Mweight = 81.9 ± 10.6 kg, Mbody mass index = 25.8 ± 3.4 kg·m-2 ) performed incremental, continuous exercise at 2, 4, 6, and 8 mph (3.2, 6.4, 9.7, 12.9 kph) for 5 min at each speed on a motor-driven treadmill on 2 separate occasions in a randomized, crossover, counterbalanced design while wearing or not wearing a self-adaptable "boil and bite" mouthguard...
June 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29693511/what-a-journey-what-a-contribution-an-interview-with-dr-kenneth-h-cooper-the-father-of-aerobics
#20
Weimo Zhu
No abstract text is available yet for this article.
June 2018: Research Quarterly for Exercise and Sport
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