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Research Quarterly for Exercise and Sport

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https://www.readbyqxmd.com/read/28644729/promoting-prenatal-exercise-from-a-sociocultural-and-life-course-perspective-an-embodied-conceptual-framework
#1
Shannon Jette, Julie Maier, Katelyn Esmonde, Cherise Davis
PURPOSE: Prenatal exercise is a health behavior that is receiving growing attention amid concern that women in Western societies are gaining excess weight during pregnancy and contributing to future obesity in both the mother and child. In this article, we draw on insights from the fields of social epidemiology and social theory of the body to examine existing prenatal exercise interventions and to propose a multidimensional framework intended to guide future theorizing and intervention design...
June 23, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28636503/effects-of-instructional-physical-activity-courses-on-overall-physical-activity-and-mood-in-university-students
#2
James J Annesi, Kandice J Porter, Grant M Hill, Bernard D Goldfine
PURPOSE: The aim of this research was to assess the association between university-based instructional physical activity (PA) courses and changes in overall PA levels and negative mood and their interrelations. The study also sought to determine the amount of change in PA required to significantly improve mood in course enrollees. METHOD: Participants were university students initially completing PA below the level recommended for health who were either presently enrolled in an elective instructional PA course (treatment group, n = 52, 69% female) or not presently enrolled in such a course (comparison group, n = 32, 69% female)...
June 21, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28636490/creating-inclusive-physical-activity-spaces-the-case-of-body-positive-yoga
#3
Andrew C Pickett, George B Cunningham
PURPOSE: Within the modern cultural climate, those in larger bodies face high levels of weight stigma, particularly in sport and physical activity spaces, which serves as a strong barrier to their participation. However, given the strong link between physical activity and general health and well-being for participants, it is important to explore strategies that encourage participation of these individuals. Thus, the current research examined strategies that physical activity instructors use to develop inclusive exercise spaces for all body sizes...
June 21, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28622106/parent-support-for-children-s-physical-activity-a-qualitative-investigation-of-barriers-and-strategies
#4
Rebecca Bassett-Gunter, Ryan Rhodes, Shane Sweet, Lauren Tristani, Yasaman Soltani
PURPOSE: Parents play an important role in supporting children's physical activity (PA) behavior. Parent PA support is a behavior unto itself that has been examined within the framework of an adapted theory of planned behavior (TPB). The primary purpose of this research was to identify key barriers to parent PA support to understand perceptions of control in relation to parent PA support. The second purpose of this research was to identify potential strategies to enhance parent PA support via enhanced perceived behavioral control...
June 16, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28622098/influence-of-session-context-on-physical-activity-levels-among-russian-girls-during-a-summer-camp
#5
Justin M Guagliano, Natalie J Updyke, Natalia V Rodicheva, Sara K Rosenkranz, David A Dzewaltowski, Chelsey R Schlechter, Richard R Rosenkranz
PURPOSE: This study investigated the effect of summer camp session context on Russian girls' physical activity (PA). METHOD: Girls (n = 32, Mage = 10.7 years, SD = 0.6 years) from a resident summer camp taking place in the Vologda Region of Russia were exposed to 1 session context/day (i.e., free play, organized with no choice, organized with choice) on Wednesday, Thursday, and Friday for 3 weeks, with the context order counterbalanced across the 3 weeks...
June 16, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28586293/parental-support-and-objectively-measured-physical-activity-in-children-a-yearlong-cluster-randomized-controlled-efficacy-trial
#6
Arto Laukkanen, Arto J Pesola, Taija Finni, Arja Sääkslahti
PURPOSE: We studied whether physical activity (PA) counseling for parents influenced the level of parental support of children's PA and leisure-time PA in children of different levels of initial parental support. We hypothesized that the initial level of parental support would moderate the intervention efficacy. METHOD: Children (n = 44, Mage = 6.09 ± 1.17 years) and their parents (n = 61) randomly assigned to an intervention group received counseling for 6 months...
June 6, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28537791/mental-rotation-of-tactical-instruction-displays-affects-information-processing-demand-and-execution-accuracy-in-basketball
#7
Till Koopmann, Yvonne Steggemann-Weinrich, Jochen Baumeister, Daniel Krause
PURPOSE: In sports games, coaches often use tactic boards to present tactical instructions during time-outs (e.g., 20 s to 60 s in basketball). Instructions should be presented in a way that enables fast and errorless information processing for the players. The aim of this study was to test the effect of different orientations of visual tactical displays on observation time and execution performance. High affordances in visual-spatial transformation (e.g., mental rotation processes) might impede information processing and might decrease execution performance with regard to the instructed playing patterns...
May 24, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28524729/preschoolers-physical-activity-participation-across-a-yearlong-mastery-motivational-climate-intervention
#8
Danielle D Wadsworth, Mary E Rudisill, Peter A Hastie, Jacqueline M Irwin, Mynor G Rodriguez-Hernandez
PURPOSE: This study sought to determine how children's participation in physical activity during a mastery-motivational climate changed during a 20-week intervention and to compare it to children's free-play activity during a typical day at their local day-care facility. METHOD: Twelve 4-year-old children participated in a mastery-motivational climate physical activity program delivered 2 days a week for 20 weeks during a period of 8 months. All children were fitted with an Actigraph GT3X triaxial accelerometer...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28524725/a-sport-education-fitness-season-s-impact-on-students-fitness-levels-knowledge-and-in-class-physical-activity
#9
Jeffery Kurt Ward, Peter A Hastie, Danielle D Wadsworth, Shelby Foote, Sheri J Brock, Nikki Hollett
PURPOSE: The purpose of this study was to determine the extent to which a sport education season of fitness could provide students with recommended levels of in-class moderate-to-vigorous physical activity (MVPA) while also increasing students' fitness knowledge and fitness achievement. METHOD: One hundred and sixty-six 5th-grade students (76 boys, 90 girls) participated in a 20-lesson season called "CrossFit Challenge" during a 4-week period. The Progressive Aerobic Cardiovascular Endurance Run, push-ups, and curl-ups tests of the FITNESSGRAM® were used to assess fitness at pretest and posttest, while fitness knowledge was assessed through a validated, grade-appropriate test of health-related fitness knowledge (HRF)...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28506112/resting-bradycardia-enhanced-postexercise-heart-rate-recovery-and-cardiorespiratory-fitness-in-recreational-ballroom-dancers
#10
Carlos Janssen Gomes da Cruz, Guilherme Eckhardt Molina, Luiz Guilherme Grossi Porto, Luiz Fernando Junqueira
PURPOSE: In a cross-sectional study design, we evaluated the resting heart rate (HRbaseline) and exercise and postexercise stress test-related chronotropic responses in male practitioners of recreational ballroom dancing (BD; n = 25, Mage = 26.6 ± 6.1 years) compared to a control group of insufficiently active nondancers (CG; n = 25, Mage = 25.9 ± 4.5 years). METHOD: All participants underwent a submaximal exercise test. At 85% of the maximal predicted HR, the recovery protocol was started, and heart rate recovery (HRR) was recorded during 1-min intervals for 5 min...
May 16, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28494196/misremembering-past-affect-predicts-adolescents-future-affective-experience-during-exercise
#11
Melissa M Karnaze, Linda J Levine, Margaret Schneider
PURPOSE: Increasing physical activity among adolescents is a public health priority. Because people are motivated to engage in activities that make them feel good, this study examined predictors of adolescents' feelings during exercise. METHOD: During the 1st semester of the school year, we assessed 6th-grade students' (N = 136) cognitive appraisals of the importance of exercise. Participants also reported their affect during a cardiovascular fitness test and recalled their affect during the fitness test later that semester...
May 11, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28402178/top-10-research-questions-related-to-youth-aerobic-fitness
#12
Neil Armstrong
Peak oxygen uptake ([Formula: see text]2) is internationally recognized as the criterion measure of youth aerobic fitness, but despite pediatric data being available for almost 80 years, its measurement and interpretation in relation to growth, maturation, and health remain controversial. The trainability of youth aerobic fitness continues to be hotly debated, and causal mechanisms of training-induced changes and their modulation by chronological age, biological maturation, and sex are still to be resolved...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28388362/sedentary-behavior-and-health-broadening-the-knowledge-base-and-strengthening-the-science
#13
Nyssa Hadgraft, Neville Owen
We provide an overview of a recently published, edited book in a rapidly emerging field of research, policy, and practice for physical activity: Sedentary Behavior and Health. In this commentary, we highlight the broad perspectives provided in the 27 chapters of Sedentary Behavior and Health and suggest a research strategy to move the field forward-not only with scientific rigor, but also with breadth of scholarship. The book's chapters provide an overview of the background to and contexts for sedentary behavior and health...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28388333/blunted-myoglobin-and-quadriceps-soreness-after-electrical-stimulation-during-the-luteal-phase-or-oral-contraception
#14
Lindsey J Anderson, Lucinda L Baker, E Todd Schroeder
PURPOSE: Acute muscle damage after exercise triggers subsequent regeneration, leading to hypertrophy and increased strength after repeated exercise. It has been debated whether acute exercise-induced muscle damage is altered under various premenopausal estrogen conditions. Acute contraction-induced muscle damage was compared during exogenous (oral contraceptive, OC), endogenous (luteal phase, HI), or low (menses, LO) estrogen in healthy young women aged 21 to 30 years old. METHODS: Women (OC, n = 9; HI, n = 9; LO, n = 8; total N = 26) performed 1 neuromuscular electrical stimulation (NMES) bout...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28388290/the-role-of-postural-support-in-young-adults-control-of-stationary-kicking
#15
Ben Sidaway, Matthew Bouchard, Julie Chasse, Jonathan Dunn, Andrea Govoni, Breanne McPherson, Katherine Roy, David I Anderson
PURPOSE: The requirement for postural stability during the performance of motor skills has been clearly demonstrated in infants, but the necessity for such a postural substrate is not well documented in adults. The present study investigated the role of postural stability during a ballistic ball-kicking task in adults by providing varying degrees of external postural support. METHOD: In the 1st experiment, 30 participants performed 20 maximal-velocity kicks under each of 3 conditions: grasping a rigid stable handle, light fingertip touch, and grasping a suspended elastic tube...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28362223/examining-the-error-of-mis-specifying-nonlinear-confounding-effect-with-application-on-accelerometer-measured-physical-activity
#16
Paul H Lee
PURPOSE: Some confounders are nonlinearly associated with dependent variables, but they are often adjusted using a linear term. The purpose of this study was to examine the error of mis-specifying the nonlinear confounding effect. METHODS: We carried out a simulation study to investigate the effect of adjusting for a nonlinear confounder in the estimation of a causal relationship between the exposure and outcome in 3 ways: using a linear term, binning into 5 equal-size categories, or using a restricted cubic spline of the confounder...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28362217/can-graduated-compressive-stockings-reduce-muscle-activity-during-running
#17
Ángel Gabriel Lucas-Cuevas, José Ignacio Priego Quesada, José Vicente Giménez, Inmaculada Aparicio, Juan Manuel Cortell-Tormo, Pedro Pérez-Soriano
PURPOSE: Graduated compressive stockings (GCS) have been suggested to influence performance by reducing muscle oscillations and improving muscle function and efficiency. However, no study to date has analyzed the influence of GCS on muscle activity during running. The objective of the study was to analyze the influence of GCS on the perception of comfort and muscle activation of the main muscles of the lower leg during running. METHOD: Thirty-six participants ran on a treadmill with (GCS) or without (control) GCS...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28362163/ties-that-bond-youth-sport-as-a-vehicle-for-social-identity-and-positive-youth-development
#18
Mark W Bruner, Shea M Balish, Christopher Forrest, Sarah Brown, Kristine Webber, Emily Gray, Matthew McGuckin, Melanie R Keats, Laurene Rehman, Christopher A Shields
An emerging area of research has focused on understanding how the group dynamics of a sport team influence positive youth development (PYD). The identities that youth form through their membership in sport teams (i.e., social identities) have been found to influence teammate behavior and team performance. Yet, minimal work exists on social identity and PYD in youth sport. PURPOSE: The purpose of this study was to investigate the relationship between social identity and PYD in sport. METHOD: Youth engaged in recreational sport (N = 219; Mage = 11...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28339350/the-effect-of-initial-knee-angle-on-concentric-only-squat-jump-performance
#19
Lachlan J Mitchell, Christos K Argus, Kristie-Lee Taylor, Jeremy M Sheppard, Dale W Chapman
PURPOSE: There is uncertainty as to which knee angle during a squat jump (SJ) produces maximal jump performance. Importantly, understanding this information will aid in determining appropriate ratios for assessment and monitoring of the explosive characteristics of athletes. METHOD: This study compared SJ performance across different knee angles-90º, 100º, 110º, 120º, 130º, and a self-selected depth-for jump height and other kinetic characteristics. For comparison between SJ and an unconstrained dynamic movement, participants also performed a countermovement jump from a self-selected depth...
June 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28332935/correction-to-computerized-agility-training-improves-change-of-direction-and-balance-performance-independently-of-footwear-in-young-adults
#20
Max R Paquette, Brian K Schilling, Joshua D Bravo, Shelby A Peel, Yuhua Li, Robert J Townsend
No abstract text is available yet for this article.
June 2017: Research Quarterly for Exercise and Sport
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