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Jo-Ana D. Chase, Lorraine J. Phillips and Marybeth Brown

The purpose of this systematic review and meta-analysis was to determine the effects of supervised resistance and/or aerobic training physical activity interventions on performance-based measures of physical functioning among community-dwelling older adults, and to identify factors impacting intervention effectiveness. Diverse search strategies were used to identify eligible studies. Standardized mean difference effect sizes (d, ES) were synthesized using a random effects model. Moderator analyses were conducted using subgroup analyses and meta-regression. Twenty-eight studies were included. Moderator analyses were limited by inconsistent reporting of sample and intervention characteristics. The overall mean ES was 0.45 (k = 38, p ≤ .01), representing a clinically meaningful reduction of 0.92 s in the Timed Up and Go for treatment versus control. More minutes per week (p < .01) and longer intervention session duration (p < .01) were associated with larger effects. Interventions were especially effective among frail participants (d = 1.09). Future research should clearly describe sample and intervention characteristics and incorporate frail populations.

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Noemi Moreno-Segura, Celedonia Igual-Camacho, Yéntel Ballester-Gil, María Clara Blasco-Igual and Jose María Blasco

a review. One was a long-term observational study from the original work of Bird, Hill, and Fell ( 2012 ). Fifteen studies were included in the qualitative synthesis; all RCTs were written in the English language. Ultimately, 11 studies were included in the quantitative synthesis with meta

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Nathanial J. Kapsal, Theresa Dicke, Alexandre J.S. Morin, Diego Vasconcellos, Christophe Maïano, Jane Lee and Chris Lonsdale

the first quantitative synthesis of a broad range of health outcomes associated with physical activity among youth with intellectual disabilities. The purpose of this review was to synthesize the existing research related to the physical health and psychosocial health outcomes of physical activity for

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Charity B. Breneman, Christopher E. Kline, Delia West, Xuemei Sui and Xuewen Wang

: 25685605 doi:10.1016/j.jshs.2013.11.004 10.1016/j.jshs.2013.11.004 Youngstedt , S.D. , O’Connor , P.J. , & Dishman , R.K. ( 1997 ). The effects of acute exercise on sleep: A quantitative synthesis . Sleep, 20 , 203 – 214 . PubMed ID: 9178916 doi:10.1093/sleep/20.3.203 10.1093/sleep/20.3.203

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Sarah J. Wherry, Cheryl Der Ananian and Pamela D. Swan

– 188 . PubMed ID: 18091006 doi:10.1249/mss.0b013e31815a51b3 18091006 10.1249/mss.0b013e31815a51b3 4. Dishman RK , Buckworth J . Increasing physical activity: a quantitative synthesis . Med Sci Sports Exerc . 1996 ; 28 ( 6 ): 706 – 719 . PubMed ID: 8784759 doi:10

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Mike Pryzbek, Julie Richardson, Lehana Thabane and Ada Tang

quantitative synthesis . Physical Therapy, 97 ( 7 ), 707 – 717 . PubMed ID: 28444348 doi:10.1093/ptj/pzx038 10.1093/ptj/pzx038 Flynn , M.G. , & McFarlin , B.K. ( 2006 ). Toll-like receptor 4: Link to the anti-inflammatory effects of exercise? Exercise and Sport Science Reviews, 34 ( 4 ), 176

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Miguel A. Sanchez-Lastra, Kyle J. Miller, Rodolfo I. Martínez-Lemos, Antón Giráldez and Carlos Ayán

-related diseases. It is important to highlight that RCTs are traditionally considered the gold standard for judging the benefits of treatments, particularly when systematically examined using a quantitative synthesis such as meta-analysis. 24 The methodological quality of the included RCTs was rated as good

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Alyson J. Crozier, Luc J. Martin and Kevin S. Spink

physical activity: A quantitative synthesis . Medicine & Science in Sports & Exercise, 28, 706 – 719 . PubMed ID: 8784759 doi:10.1097/00005768-199606000-00010 10.1097/00005768-199606000-00010 Dunlop , W.L. , & Beauchamp , M.R. ( 2011 ). Does similarity make a difference? Predicting cohesion and

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Linda Corbally, Mick Wilkinson and Melissa A. Fothergill

combined compared to the control/comparison group mean. Synthesis of Results There were limited studies on the population of interest. Moreover, few shared similar designs, interventions, comparison groups, or outcome measures. Therefore, quantitative synthesis via meta-analysis would not lead to

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David A. Ferrer and Rebecca Ellis

doi:10.2105/AJPH.2010.194381 10.2105/AJPH.2010.194381 21330590 4. Dishman RK , Buckworth J. Increasing physical activity: a quantitative synthesis . Med Sci Sports Exerc . 1996 ; 28 ( 6 ): 706 – 719 . PubMed doi:10.1097 /00005768-199606000-00010 10.1097/00005768-199606000-00010 8784759 5