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Research Quarterly for Exercise and Sport

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https://www.readbyqxmd.com/read/28215103/reviewers-for-volume-87-year
#1
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March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28151087/effects-of-isometric-hand-grip-muscle-contraction-on-young-adults-free-recall-and-recognition-memory
#2
Phillip D Tomporowski, Chelesa Albrecht, Daniel M Pendleton
PURPOSE: The purpose of this study was to determine if physical arousal produced by isometric hand-dynamometer contraction performed during word-list learning affects young adults' free recall or recognition memory. METHOD: Twenty-four young adults (12 female; Mage = 22 years) were presented with 4 20-item word lists. Moderate arousal was induced in 12 adults by an initial 30-s maximal hand-dynamometer squeeze with force productions of 50% maximum; low arousal was induced in 12 adults by an initial 1-s maximal dynamometer squeeze with force production of 10% maximum during learning...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28151062/a-content-analysis-of-physical-activity-in-tv-shows-popular-among-adolescents
#3
Megan S Gietzen, Sarah E Gollust, Jennifer A Linde, Dianne Neumark-Sztainer, Marla E Eisenberg
PURPOSE: Previous research has demonstrated that television has the potential to influence youth behaviors, but little evidence exists on how television depicts physical activity (PA), an important public health priority for youth. This mixed-methods study investigated depictions of television characters' participation in PA in the top 25 favorite shows ranked by a diverse sample of 2,793 adolescents. METHOD: Randomly selected episodes from each show were content-analyzed for PA incidents, reasons, and context and in relation to the gender and weight status of participating characters...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28129075/associations-between-self-control-practice-and-skill-level-in-sport-expertise-development
#4
Rafael A B Tedesqui, Bradley W Young
PURPOSE: The purpose of this study was to test the association between self-control (SC) variables and (a) sport-specific practice amounts, (b) engagement in various practice contexts, (c) threats to commitment to one's sport, and (d) skill development using the Brief Self-Control Scale (BSCS) in a diverse sport sample. METHOD: Two hundred forty-four athletes (47% female; Mage = 21.96 years, SD = 6.98 years; 68.8% individual sports and 31.2% team sports; 13...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28129070/can-policy-alone-stop-decline-of-children-and-youth-fitness
#5
Chunhua Zhang, Yang Yang
Various models and methods have been proposed to address the worldwide decline in children's and youth's physical fitness, and the social-ecological model has shown some promise. Yet, the impact of the policy intervention, 1 component of that model, has not been evaluated carefully. Using limited data from policy documents, the impact of policy related to children and youth fitness in China was examined, and it was found that the policy alone did not seem to work. Possible reasons are explored, and a call for more policy evaluation research is made...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28129048/physical-inactivity-obesity-and-type-2-diabetes-an-evolutionary-perspective
#6
S Boyd Eaton, Stanley B Eaton
Physical inactivity (and unhealthy nutrition) has distorted body composition and, in turn, reordered the proportions of myocyte and adipocyte insulin receptors. Insulin acting on adipocyte receptors produces less glucose uptake than does comparable interaction with myocyte receptors. Accordingly, in individuals with disproportionate muscle/fat composition, any given glucose load requires greater-than-normal pancreatic insulin secretion for adequate disposal. This hyperinsulinemia then becomes the leading cause of type 2 diabetes (T2DM) as insulin-sensitive tissues become desensitized...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28075713/an-activist-approach-to-sport-meets-youth-from-socially-vulnerable-backgrounds-possible-learning-aspirations
#7
Carla Luguetti, Kimberly L Oliver, Luiz Eduardo Pinto Basto Tourinho Dantas, David Kirk
PURPOSE: This study was a 2-phase activist research project aimed at co-creating a prototype pedagogical model for working with youth from socially vulnerable backgrounds in a sport context. This article addresses the learning aspirations (learning outcomes) that emerged when we created spaces for youth to develop strategies to manage the risks they face in their community. METHOD: This study took place in a socially and economically disadvantaged neighborhood in a Brazilian city where we worked with a group of 17 boys aged 13 to 15 years old, 4 coaches, a pedagogic coordinator, and a social worker...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28075709/the-influence-of-exercise-intensity-on-postexercise-baroreflex-sensitivity
#8
Linda J Reynolds, Mark B A De Ste Croix, David V B James
PURPOSE: The purpose of this study was to investigate the influence of exercise intensity on postexercise supine and tilt baroreflex sensitivity (BRS). METHOD: Nine healthy, active men performed 2 conditions of interval cycling of 40% maximal work rate (WRmax) and 75% WRmax of matched work done and a control condition of no exercise in a counterbalanced order. BRS outcome measures were determined at preexercise and postexercise up to +24 hr in supine and tilt positions...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28075705/tracking-of-gross-motor-coordination-from-childhood-into-adolescence
#9
Rodrigo Antunes Lima, Anna Bugge, Karin Allor Pfeiffer, Lars Bo Andersen
PURPOSE: The purpose of this study was to analyze tracking and stability of motor coordination in children from age 6 years to ages 9 and 13 years. METHOD: Data were from the Copenhagen School Child Intervention Study. Motor coordination (MC) was measured using the körperkoordinationstest für Kinder (KTK) test. The crude performance score on every item was converted into a standardized "score" based on the original German reference study, which was used to generate a total standardized motor coordination (MQ) score...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28075704/changes-in-cardiorespiratory-responses-and-kinematics-with-hippotherapy-in-youth-with-and-without-cerebral-palsy
#10
Brandon Rhett Rigby, Adam Robert Gloeckner, Suzanne Sessums, Beth Anne Lanning, Peter Walter Grandjean
PURPOSE: The purpose of this study was to characterize pelvic displacement and cardiorespiratory responses to simulated horseback riding and walking in youth with cerebral palsy and to compare responses to youth without cerebral palsy before and after 8 weeks of hippotherapy. METHOD: Eight youth with cerebral palsy (Mage = 10 ± 4 years; Mheight = 137 ± 24 cm; Mweight = 32 ± 16 kg) and 8 youth without cerebral palsy (Mage = 11 ± 2 years; Mheight = 149 ± 14 cm; Mweight = 48 ± 15 kg) underwent a hippotherapy intervention...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28001911/sustained-professional-development-on-cooperative-learning-impact-on-six-teachers-practices-and-students-learning
#11
Victoria A Goodyear
PURPOSE: It has been argued, extensively and internationally, that sustained school-based continuous professional development (CPD) has the potential to overcome some of the shortcomings of traditional one-off CPD programs. Yet, the evidence base on more effective or less effective forms of CPD is contradictory. The mechanisms by which sustained support should be offered are unclear, and the impacts on teachers' and students' learning are complex and difficult to track. The purpose of this study was to examine the impact of a sustained school-based, tailored, and supported CPD program on teachers' practices and students' learning...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27902891/computerized-agility-training-improves-change-of-direction-and-balance-performance-independently-of-footwear-in-young-adults
#12
Max R Paquette, Brian K Schilling, Joshua D Bravo, Shelby A Peel, Yuhua Li, Robert J Townsend
: Understanding the effects of training in different footwear on sporting performance would be useful to coaches and athletes. PURPOSE: This study compared the effects of computerized agility training using 3 types of footwear on change-of-direction and balance performance in young adults. METHOD: Thirty recreationally active young adults (Mage = 22.8 ± 3.1 years; Mheight = 1.71 ± 0.7 m; Mbodymass = 73.4 ± 10.3 kg) were randomly assigned to a 6-week computerized agility training intervention in 1 of 3 footwear groups (n = 10/group): barefoot, minimal footwear, or traditional shoes...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27805476/the-acute-exercise-induced-inflammatory-response-a-comparison-of-young-adult-smokers-and-nonsmokers
#13
Tegan E Kastelein, Cheyne E Donges, Amy E Mendham, Rob Duffield
PURPOSE: This study examined postexercise inflammatory and leukocyte responses in smokers and nonsmokers, as well as the effects of cigarette smoking on the acute postexercise inflammatory and leukocyte response in habitual smokers. METHOD: Eleven recreationally active male smokers and 11 nonsmokers matched for age and aerobic fitness were familiarized and underwent baseline fitness testing. Participants then completed 40 min of cycling at 50% peak aerobic workload...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27732450/gaze-strategies-in-skateboard-trick-jumps-spatiotemporal-constraints-in-complex-locomotion
#14
André Klostermann, Philip Küng
PURPOSE: This study aimed to further the knowledge on gaze behavior in locomotion by studying gaze strategies in skateboard jumps of different difficulty that had to be performed either with or without an obstacle. METHOD: Nine experienced skateboarders performed "Ollie" and "Kickflip" jumps either over an obstacle or over a plane surface. The stable gaze at 5 different areas of interest was calculated regarding its relative duration as well as its temporal order...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27636554/impact-of-a-submaximal-warm-up-on-endurance-performance-in-highly-trained-and-competitive-male-runners
#15
Michael C Zourdos, Caleb D Bazyler, Edward Jo, Andy V Khamoui, Bong-Sup Park, Sang-Rok Lee, Lynn B Panton, Jeong-Su Kim
PURPOSE: The purpose of this investigation was to examine the effects of a submaximal running warm-up on running performance in male endurance athletes (n = 16, Mage = 21 ± 2 years, MVO2max = 69.3 ± 5.1 mL/kg/min). METHOD: Endurance performance was determined by a 30-min distance trial after control and submaximal running warm-up conditions in a randomized crossover fashion. The warm-up began with 5 min of quiet sitting, followed by 6 min of submaximal running split into 2-min intervals at speeds corresponding to 45%, 55%, and 65% maximal oxygen consumption (VO2max)...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27841732/children-s-experiences-wearing-pedometers-in-a-telephone-delivered-imagery-intervention-aimed-at-increasing-active-play
#16
Michelle D Guerrero, Matt D Hoffmann, Krista J Munroe-Chandler, Craig R Hall
PURPOSE: Much of what we know about pedometer interventions and imagery interventions with children is grounded in quantitative data. The general purpose of the present study was to qualitatively explore the experiences of children who had participated in a 4-week imagery intervention designed to increase active play. Specifically, the current study investigated children's experiences with (a) wearing pedometers and (b) listening to audio recordings (imagery scripts and short stories) via an automated telephone system...
December 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27749158/context-matters-systematic-observation-of-place-based-physical-activity
#17
Thomas L McKenzie
Physical activity is place-based, and being able to assess the number of people and their characteristics in specific locations is important both for public health surveillance and for practitioners in their design of physical activity spaces and programs. Although physical activity measurement has improved recently, many investigators avoid or are at a loss regarding the assessment of physical activity in explicit locations, especially in open environments where many people come and go in a seemingly indiscriminate fashion...
December 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27736372/school-based-team-research-to-address-grand-challenges-through-p-12-physical-education-programs
#18
Michael W Metzler
One of the grand challenges of our time is to educate children and youth to live physically active and healthy lives today and into adulthood. To do so, we must first agree that the highest mission priority for physical education programs in schools is that of public health promotion through physical activity. Under that mission, school physical education programs from preschool to Grade 12 (P-12) would be designed, implemented, resourced, and evaluated to help children meet the recommended 60 min of daily physical activity...
December 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27736368/mission-impossible-physical-activity-programming-for-individuals-experiencing-homelessness
#19
Melanie J Gregg, Andrea Bedard
PURPOSE: A pilot study was conducted to describe the physical activity experiences and perceived benefits of and barriers to physical activity participation for patrons of a homeless shelter. The resulting pilot data may be used to inform the creation of and support for physical activity and sport programs for those experiencing homelessness. METHOD: Eighteen male patrons of a homeless shelter completed self-report questionnaires to assess psychosocial factors: global self-esteem, general self-efficacy, exercise intention and attitudes, and quality of life...
December 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27732168/sport-and-recreation-are-associated-with-happiness-across-countries
#20
Shea M Balish, Dan Conacher, Lori Dithurbide
PURPOSE: Preliminary findings suggest sport participation is positively associated with happiness. However, it is unknown if this association is universal and how sport compares to other leisure activities in terms of an association with happiness. This study had 3 objectives: (a) to test if sport membership is associated with happiness, (b) to test if this relationship is universal, and (c) to compare sport membership to other leisure activities. METHOD: Hierarchal Bernoulli modeling was used to analyze the 6th wave (2014) of the World Values Survey (nSs = 67,736, ncountries = 48)...
December 2016: Research Quarterly for Exercise and Sport
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