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Objectively Measured Sedentary Behavior and Physical Fitness in Adults: A Systematic Review and Meta-Analysis

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Research Unit for Sport and Physical Activity (CIDAF, UID/PTD/04213/2019), University of Coimbra, 3040-248 Coimbra, Portugal
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Department of Sports and Well-being, Polytechnic Institute of Castelo Branco, 6000-266 Castelo Branco, Portugal
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Sport, Health & Exercise Research Unit (SHERU), Polytechnic Institute of Castelo Branco, 6000-266 Castelo Branco, Portugal
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School of Physical Education and Sports, University of Costa Rica, San José 11501-2060, Costa Rica
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Interdisciplinary Graduate Program in Community Development, State University of the Midwest, Irati Paraná 84505-677, Brazil
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(22), 8660; https://doi.org/10.3390/ijerph17228660
Received: 14 October 2020 / Revised: 13 November 2020 / Accepted: 19 November 2020 / Published: 21 November 2020
(This article belongs to the Special Issue Monitoring and Evaluation of Training in Sport and Exercise)
Background: Sedentary behavior has been considered an independent risk factor to health. The aim of this systematic review and meta-analysis was to examine associations between objectively measured sedentary time and physical fitness components in healthy adults. Methods: Four electronic databases (Web of Science, Scopus, Pubmed and Sport Discus) were searched (up to 20 September 2020) to retrieve studies on healthy adults which used observational, cohort and cross-sectional designs. Studies were included if sedentary time was measured objectively and examined associations with the health- or skill-related attributes of physical fitness (e.g., muscular strength, cardiorespiratory fitness, balance). After applying additional search criteria, 21 papers (11,101 participants) were selected from an initial pool of 5192 identified papers. Results: Significant negative associations were found between total sedentary time with cardiorespiratory fitness (r = −0.164, 95%CI: −0.240, −0.086, p < 0.001), muscular strength (r = −0.147, 95%CI: −0.266, −0.024, p = 0.020) and balance (r = −0.133, 95%CI: −0.255, −0.006, p = 0.040). Conclusions: The evidence found suggests that sedentary time can be associated with poor physical fitness in adults (i.e., muscular strength, cardiorespiratory fitness and balance), so strategies should be created to encourage behavioral changes. View Full-Text
Keywords: sedentary time; accelerometry; physical capability; performance; cardiorespiratory fitness; strength; adults; meta-analysis sedentary time; accelerometry; physical capability; performance; cardiorespiratory fitness; strength; adults; meta-analysis
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Silva, F.M.; Duarte-Mendes, P.; Rusenhack, M.C.; Furmann, M.; Nobre, P.R.; Fachada, M.Â.; Soares, C.M.; Teixeira, A.; Ferreira, J.P. Objectively Measured Sedentary Behavior and Physical Fitness in Adults: A Systematic Review and Meta-Analysis. Int. J. Environ. Res. Public Health 2020, 17, 8660.

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