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Erin Smith, Tara Cusack, Caitriona Cunningham and Catherine Blake

effect in healthy older adults (those who typically walk at a speed of 1.0 m/s or greater) also found significant changes in performance ( Al-Yahya et al., 2011 ; Dubost et al., 2006 ; Hausdorff et al., 2007 ; van Iersel, Ribbers, Munneke, Borm, & Rikkert, 2007 ). A recent meta-analysis examined the

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Lynette L. Craft and Daniel M. Landers

The effect of exercise on negative affect has been examined in hundreds of studies. However, the effect of exercise on diagnosed clinical depression has received far less attention. Furthermore, poor methodological techniques predominate and results have been conflicting. A meta-analysis was conducted to investigate the effect of exercise on clinical depression and depression resulting from mental illness. The chosen studies examined the effect of a chronic exercise paradigm (independent variable) on depression (dependent variable). Each study’s variables were coded: design, subjects, exercise, and dependent measure characteristics that could moderate the effect of exercise on depression. Moderator variables were analyzed using analysis of variance (ANOVA). Results from 30 studies showed an overall mean effect of −.72. Therefore, individuals who exercised were −.72 of a standard deviation less depressed than individuals who did not exercise. Moderating variables and implications for the prescription of exercise as an effective treatment for depression are discussed.

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Mark Glaister and Conor Gissane

significant increase. 5 These discrepancies could easily be attributed to statistical error resulting from the relatively small sample sizes that are typical of these investigations and have often been criticized. 27 , 28 The aim of this systematic review and meta-analysis was therefore to investigate the

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Nkechi Offor, Peace Ossom Williamson and Priscila Caçola

Purpose:

The purpose of this systematic literature review and meta-analysis is to identify the types of interventions in physical therapy contexts that have been explored in children with developmental coordination disorder, the most common variables being addressed, and whether these interventions are effective.

Method:

This systematic search of MEDLINE, PEDro, CINAHL, SPORTDiscus, PsycINFO, and Cochrane Library identified interventions in physical therapy contexts for children and adolescents with DCD, and studies were screened using these criteria and assessed using the PEDro and NIH quality assessment scales. AMSTAR was used to evaluate systematic reviews and a meta-analysis was conducted.

Results:

From the articles reviewed, 29 articles of moderate to good quality were included in the qualitative analysis. Task-oriented approaches as well as motor skill training–based interventions have shown beneficial effects in improving motor function in children with DCD. Data from 14 articles was extracted for inclusion in the meta-analysis, providing support for the effectiveness of physical therapy interventions against inaction.

Conclusion:

Researchers recommend the use of task-oriented and traditional physical therapy interventions for children with DCD. In addition, interventions in physical therapy contexts need clear goals and outcome measures for individual children.

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Nicholas D. Myers, Sung Eun Park, Soyeon Ahn, Seungmin Lee, Philip J. Sullivan and Deborah L. Feltz

individual estimates of the relationship of interest. Readers are referred to Ahn, Lu, Lefevor, Fedewa, and Celimli ( 2016 ) for a thorough review of methodological approaches for applications of meta-analysis in sport and exercise science. Four research questions were investigated and are listed below.  1

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Christopher R. Hill, Deborah L. Feltz, Stephen Samendinger and Karin A. Pfeiffer

are crucial in the self-regulation of exercise behavior in adolescents and children ( Feltz & Magyar, 2006 ) and are the focus of our meta-analysis. For the remainder of this meta-analytic review, self-efficacy will be used synonymously with BSE for linguistic thrift. Previous narrative reviews of

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Nicolas Berryman, Iñigo Mujika, Denis Arvisais, Marie Roubeix, Carl Binet and Laurent Bosquet

was to assess the net effects of strength training on middle- and long-distance performance (ie, athletic events and/or performance tests lasting more than 75 s) through a meta-analysis of the available literature. We also carried out subgroup analyses to determine whether the strength-training load

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Lauren McMichan, Ann-Marie Gibson and David A. Rowe

effect sizes were interpreted as small ( d  = 0.2), medium ( d  = 0.5), or large ( d  = 0.8), following the guidelines of Cohen. 27 Meta-Analysis A meta-analysis was performed to determine the overall effect of classroom-based interventions on PA and SB. Review Manager, version 5.3 (RevMan 5.3; The

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Jaehun Jung, Willie Leung, Bridgette Marie Schram and Joonkoo Yun

disabilities using meta-analysis. There are two specific working questions. The first question concerns the difference in physical activity levels between youth with disabilities and physical activity levels of youth without disabilities using a summarized effect size. The second question, using the data given

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Bente M. Raafs, Esther G.A. Karssemeijer, Lizzy Van der Horst, Justine A. Aaronson, Marcel G.M. Olde Rikkert and Roy P.C. Kessels

in older adults compared with the health care costs needed for the negative endpoints that are met otherwise. There is increasing evidence that different forms of physical activity play a role in people’s perceived QoL. A meta-analysis from 2006 on physical activity and QoL in both healthy and