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https://www.readbyqxmd.com/read/29608427/new-insight-for-activity-intensity-relativity-metabolic-expenditure-during-object-projection-skill-performance
#1
Ryan S Sacko, Kerry McIver, Ali Brian, David F Stodden
This study examined the metabolic cost (METs) of performing object projection skills at three practice trial intervals (6, 12, and 30 seconds). Forty adults (female n = 20) aged 18-30 (M = 23.7 ± 2.9 years) completed three, nine-minute sessions of skill trials performed at 6, 12, and 30 second intervals. Participants performed kicking, throwing and striking trials in a blocked schedule with maximal effort. Average METs during each session were measured using a COSMED K4b2. A three (interval condition) X two (sex) ANOVA was conducted to examine differences in METs across interval conditions and by sex...
April 2, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29531050/an-empirical-analysis-of-journal-policy-effectiveness-for-computational-reproducibility
#2
Victoria Stodden, Jennifer Seiler, Zhaokun Ma
A key component of scientific communication is sufficient information for other researchers in the field to reproduce published findings. For computational and data-enabled research, this has often been interpreted to mean making available the raw data from which results were generated, the computer code that generated the findings, and any additional information needed such as workflows and input parameters. Many journals are revising author guidelines to include data and code availability. This work evaluates the effectiveness of journal policy that requires the data and code necessary for reproducibility be made available postpublication by the authors upon request...
March 13, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29531033/reproducibility-of-research-issues-and-proposed-remedies
#3
David B Allison, Richard M Shiffrin, Victoria Stodden
No abstract text is available yet for this article.
March 13, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29524160/development-of-foundational-movement-skills-a-conceptual-model-for-physical-activity-across-the-lifespan
#4
Ryan M Hulteen, Philip J Morgan, Lisa M Barnett, David F Stodden, David R Lubans
Evidence supports a positive association between competence in fundamental movement skills (e.g., kicking, jumping) and physical activity in young people. Whilst important, fundamental movement skills do not reflect the broad diversity of skills utilized in physical activity pursuits across the lifespan. Debate surrounds the question of what are the most salient skills to be learned which facilitate physical activity participation across the lifespan. In this paper, it is proposed that the term 'fundamental movement skills' be replaced with 'foundational movement skills'...
March 9, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29357292/reproducibility-and-replicability-of-rodent-phenotyping-in-preclinical-studies
#5
REVIEW
Neri Kafkafi, Joseph Agassi, Elissa J Chesler, John C Crabbe, Wim E Crusio, David Eilam, Robert Gerlai, Ilan Golani, Alex Gomez-Marin, Ruth Heller, Fuad Iraqi, Iman Jaljuli, Natasha A Karp, Hugh Morgan, George Nicholson, Donald W Pfaff, S Helene Richter, Philip B Stark, Oliver Stiedl, Victoria Stodden, Lisa M Tarantino, Valter Tucci, William Valdar, Robert W Williams, Hanno Würbel, Yoav Benjamini
The scientific community is increasingly concerned with the proportion of published "discoveries" that are not replicated in subsequent studies. The field of rodent behavioral phenotyping was one of the first to raise this concern, and to relate it to other methodological issues: the complex interaction between genotype and environment; the definitions of behavioral constructs; and the use of laboratory mice and rats as model species for investigating human health and disease mechanisms. In January 2015, researchers from various disciplines gathered at Tel Aviv University to discuss these issues...
April 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29227866/partnerships-for-active-children-in-elementary-schools-paces-first-year-process-evaluation
#6
Cate A Egan, Collin Webster, R Glenn Weaver, Ali Brian, David Stodden, Laura Russ, Danielle Nesbitt, Spyridoula Vazou
Movement integration (MI) is a strategy within comprehensive school physical activity programs (CSPAP). School-university partnerships are recommended to leverage teachers' capacity to use MI. A mixed method process evaluation was conducted of the first year of implementing Partnerships for Active Children in Elementary Schools (PACES). Classroom teachers (N=12) from four schools participated. Data were collected in Fall 2014 (baseline) and Spring 2015 (∼ four months of intervention) using the System for Observing Student Movement in Academic Routines and Transitions and semi-structured interviews...
April 2018: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28751965/four-simple-recommendations-to-encourage-best-practices-in-research-software
#7
Rafael C Jiménez, Mateusz Kuzak, Monther Alhamdoosh, Michelle Barker, Bérénice Batut, Mikael Borg, Salvador Capella-Gutierrez, Neil Chue Hong, Martin Cook, Manuel Corpas, Madison Flannery, Leyla Garcia, Josep Ll Gelpí, Simon Gladman, Carole Goble, Montserrat González Ferreiro, Alejandra Gonzalez-Beltran, Philippa C Griffin, Björn Grüning, Jonas Hagberg, Petr Holub, Rob Hooft, Jon Ison, Daniel S Katz, Brane Leskošek, Federico López Gómez, Luis J Oliveira, David Mellor, Rowland Mosbergen, Nicola Mulder, Yasset Perez-Riverol, Robert Pergl, Horst Pichler, Bernard Pope, Ferran Sanz, Maria V Schneider, Victoria Stodden, Radosław Suchecki, Radka Svobodová Vařeková, Harry-Anton Talvik, Ilian Todorov, Andrew Treloar, Sonika Tyagi, Maarten van Gompel, Daniel Vaughan, Allegra Via, Xiaochuan Wang, Nathan S Watson-Haigh, Steve Crouch
Scientific research relies on computer software, yet software is not always developed following practices that ensure its quality and sustainability. This manuscript does not aim to propose new software development best practices, but rather to provide simple recommendations that encourage the adoption of existing best practices. Software development best practices promote better quality software, and better quality software improves the reproducibility and reusability of research. These recommendations are designed around Open Source values, and provide practical suggestions that contribute to making research software and its source code more discoverable, reusable and transparent...
2017: F1000Research
https://www.readbyqxmd.com/read/28657818/examining-impulse-variability-theory-and-the-speed-accuracy-trade-off-in-children-s-overarm-throwing-performance
#8
Sergio L Molina, David F Stodden
This study examined variability in throwing speed and spatial error to test the prediction of an inverted-U function (i.e., impulse-variability [IV] theory) and the speed-accuracy trade-off. Forty-five 9- to 11-year-old children were instructed to throw at a specified percentage of maximum speed (45%, 65%, 85%, and 100%) and hit the wall target. Results indicated no statistically significant differences in variable error across the target conditions (p = .72), failing to support the inverted-U hypothesis...
October 17, 2017: Motor Control
https://www.readbyqxmd.com/read/28636423/fundamental-motor-skills-a-systematic-review-of-terminology
#9
Samuel W Logan, Samantha M Ross, Keanu Chee, David F Stodden, Leah E Robinson
The three aims of this systematic review are to describe: (1) use of the term fundamental motor/movement skills (FMS) in published articles; (2) the quality of definitions; and (3) relative use of process- and product- oriented assessments to measure FMS. The inclusion criteria included: (a) peer-reviewed article, (b) printed in English, (c) published between January 2000 and 31 December 2015, (d) presence of either the term "fundamental motor or movement skill" in the title and/or abstract, and (e) FMS were a measured outcome...
April 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28595871/identifying-a-motor-proficiency-barrier-for-meeting-physical-activity-guidelines-in-children
#10
An De Meester, David Stodden, Jacqueline Goodway, Larissa True, Ali Brian, Rick Ferkel, Leen Haerens
OBJECTIVES: This study examined the existence of a threshold level (proficiency barrier) of actual motor competence (MC) below which a child is not likely to attain 60min of moderate-to-vigorous physical activity (MVPA) per day. DESIGN: A cross-sectional study. METHODS: Actual MC was assessed in 326 children (48.5% boys; age=9.50±1.24years) using the Test of Gross Motor Development-2; MVPA was measured with ActiGraph GT3X+accelerometers. Perceived MC, included as a potential mediating variable, was assessed with the Self-Perception Profile for Children...
January 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28381262/structuring-supplemental-materials-in-support-of-reproducibility
#11
Dov Greenbaum, Joel Rozowsky, Victoria Stodden, Mark Gerstein
Supplements are increasingly important to the scientific record, particularly in genomics. However, they are often underutilized. Optimally, supplements should make results findable, accessible, interoperable, and reusable (i.e., "FAIR"). Moreover, properly off-loading to them the data and detail in a paper could make the main text more readable. We propose a hierarchical organization for supplements, with some parts paralleling and "shadowing" the main text and other elements branching off from it, and we suggest a specific formatting to make this structure explicit...
April 5, 2017: Genome Biology
https://www.readbyqxmd.com/read/28169569/physical-activity-and-motor-competence-present-a-positive-reciprocal-longitudinal-relationship-across-childhood-and-early-adolescence
#12
Rodrigo A Lima, Karin Pfeiffer, Lisbeth R Larsen, Anna Bugge, Niels C Moller, Lars B Anderson, David F Stodden
BACKGROUND: The current study evaluated the reciprocal longitudinal relationship between physical activity (PA) and motor competence (MC) and the potential mediation of cardiorespiratory endurance across 7 years. METHODS: This was a 7-year longitudinal study, the Copenhagen School Child Intervention Study (CoSCIS), with 3 measuring points [mean ages (in years) and respective sample size: 6.75 ± 0.37, n = 696; 9.59 ± 1.07, n = 617; 13.35 ± 0.34, n = 513]. PA was assessed using accelerometers...
June 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28164374/motor-competence-and-cardiorespiratory-fitness-have-greater-influence-on-body-fatness-than-physical-activity-across-time
#13
R A Lima, K A Pfeiffer, A Bugge, N C Møller, L B Andersen, D F Stodden
We investigated the longitudinal associations among physical activity (PA), motor competence (MC), cardiorespiratory fitness (VO2peak ), and body fatness across 7 years, and also analyzed the possible mediation effects of PA, MC, and VO2peak on the relationships with body fatness. This was a seven-year longitudinal study with three measuring points (mean ages [in years] and respective sample size: 6.75±0.37, n=696; 9.59±1.07, n=617; 13.35±0.34, n=513). PA (moderate-to-vigorous PA-MVPA and vigorous PA-VPA) was monitored using accelerometers...
December 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28054495/comparison-of-motor-competence-levels-on-two-assessments-across-childhood
#14
Alessandro H N Ré, Samuel W Logan, Maria T Cattuzzo, Rafael S Henrique, Mariana C Tudela, David F Stodden
This study compared performances and motor delay classifications for the Test of Gross Motor Development-2nd edition (TGMD-2) and the Körperkoordinationstest Für Kinder (KTK) in a sample of 424 healthy children (47% girls) between 5 and 10 years of age. Low-to-moderate correlations (r range = 0.34-0.52) were found between assessments across age. In general, both boys and girls demonstrated higher raw scores across age groups. However, percentile scores indicated younger children outperformed older children, denoting a normative percentile-based decrease in motor competence (MC) in the older age groups...
January 5, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27940837/enhancing-reproducibility-for-computational-methods
#15
Victoria Stodden, Marcia McNutt, David H Bailey, Ewa Deelman, Yolanda Gil, Brooks Hanson, Michael A Heroux, John P A Ioannidis, Michela Taufer
No abstract text is available yet for this article.
December 9, 2016: Science
https://www.readbyqxmd.com/read/27869529/low-fundamental-movement-skill-proficiency-is-associated-with-high-bmi-and-body-fatness-in-girls-but-not-boys-aged-6-11-years-old
#16
Michael J Duncan, Elizabeth Bryant, David Stodden
This study examined differences in children's body mass index (BMI) and body fatness (BF%) as a function of gender and fundamental movement skill (FMS) proficiency. Following ethics approval and parental consent, 248, 6-11 year-old children (112 boys, 136 girls) underwent assessment of 7 FMS: sprint run, side gallop, hop, kick, catch, throw and vertical jump. FMS tertiles ("high", "medium" or "low" FMS) were created based on the summed components of the FMS. Skinfold measures were used to calculate BF%. Physical activity (PA) was assessed using pedometry and maturation predicted using anthropometry...
November 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27736964/associations-among-elementary-school-children-s-actual-motor-competence-perceived-motor-competence-physical-activity-and-bmi-a-cross-sectional-study
#17
An De Meester, David Stodden, Ali Brian, Larissa True, Greet Cardon, Isabel Tallir, Leen Haerens
BACKGROUND: Positive associations between motor competence and physical activity have been identified by means of variable-centered analyses. To expand the understanding of these associations, this study used a person-centered approach to investigate whether different combinations (i.e., profiles) of actual and perceived motor competence exist (aim 1); and to examine differences in physical activity levels (aim 2) and weight status (aim 3) among children with different motor competence-based profiles...
2016: PloS One
https://www.readbyqxmd.com/read/27361351/trajectory-changes-of-children-s-energy-expenditure-and-physical-activity-the-effect-of-physical-activity-regiment-2715-board-238-june-3-9-30-am-11-00-am
#18
Zan Gao, Jung Eun Lee, David Stodden, Nida Roncesvalles
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27334405/young-children-s-energy-expenditure-and-moderate-to-vigorous-physical-activity-on-weekdays-and-weekends
#19
Jung Eun Lee, David F Stodden, Zan Gao
BACKGROUND: Few studies have examined young children's leisure- and school-based energy expenditure (EE) and moderateto-vigorous physical activity (MVPA). The purpose of this study was to explore children's estimated EE rates and time spent in MVPA in 3 time segments: at-school, after-school, and weekends. METHODS: A total of 187 second and third grade children from 2 elementary schools participated in the study. Accelerometers were used to assess children's 5-day EE and MVPA...
September 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27328724/physical-characteristics-that-predict-involvement-with-the-ball-in-recreational-youth-soccer
#20
Alessandro H Nicolai Ré, Maria Teresa Cattuzzo, Rafael Dos Santos Henrique, David F Stodden
This study examined the relative contribution of age, stage of puberty, anthropometric characteristics, health-related fitness, soccer-specific tests and match-related technical performance to variance in involvements with the ball during recreational 5-a-side small-sided (32 × 15 m) soccer matches. Using a cross-sectional design, 80 healthy male students (14.6 ± 0.5 years of age; range 13.6-15.4) who played soccer recreationally were randomly divided into 10 teams and played against each other. Measurements included height, body mass, pubertal status, health-related fitness (12-min walk/run test, standing long jump, 15-m sprint and sit-ups in 30 s), soccer-specific tests (kicking for speed, passing for accuracy and agility run with and without a ball), match-related technical performance (kicks, passes and dribbles) and involvements with the ball during matches...
September 2016: Journal of Sports Sciences
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