{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T00:22:26Z","timestamp":1778718146010,"version":"3.51.4"},"reference-count":49,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T00:00:00Z","timestamp":1761868800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T00:00:00Z","timestamp":1761868800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Sports Health: A Multidisciplinary Approach"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:sec>\n                    <jats:title>Context:<\/jats:title>\n                    <jats:p>Small-sided soccer games (SSSG) have been proposed as a strategy to promote the health of children and adolescents. Understanding training loads has a strong influence on program effectiveness.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>This systematic review aimed to describe the training load and perception of enjoyment during SSSG in untrained children and adolescents.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Data Sources:<\/jats:title>\n                    <jats:p>A systematic search on PubMed, Web of Science, Scopus, and Scielo databases was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Selection:<\/jats:title>\n                    <jats:p>Experimental or observational studies conducted in untrained children or adolescents (6 to 18 years) that analyzed internal loads, external loads, or perceived enjoyment during 1 or more SSSG were included.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Systematic review following PRISMA guidelines.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level 3.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Data Extraction:<\/jats:title>\n                    <jats:p>Information on publication type, participants, SSSG characteristics, and main results of the internal and external load and perceived enjoyment was extracted.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A total of 15 articles (n = 539 participants, aged 8-18 years) were included. Twenty-one SSSG designs were identified, and the format used most was 3v3. Heartrate (HR) (range 71%-88% of maximum HR) and rate of perceived exertion (range 3-7 of 10 or 12-15 of 20) were the primary measures of internal load, while distance traveled, average speed, and number of accelerations were used to assess external load. Perceived enjoyment was reported using mainly the 16-item PACES or 18-item PACES scale (59.14 or 88.67, respectively). The structural aspects of the game were evaluated in 6 studies, suggesting that the number of players, pitch size, man-marking, and restricting the type of locomotion may affect workload. Contextual factors, such as verbal motivation or sex, can also influence workload.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>SSSG is associated with moderate-to-vigorous intensity exercise and high enjoyment perception. Workload can be affected by structural (number of players, pitch size, man-marking) and contextual factors (verbal encouragement, sex composition), although evidence is still limited.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19417381251385590","type":"journal-article","created":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T13:24:15Z","timestamp":1761917055000},"page":"250-268","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Workload and Enjoyment Perception in Small-Sided Soccer Games: A Systematic Review of Studies in Untrained Children and Adolescents"],"prefix":"10.1177","volume":"18","author":[{"given":"Nicol\u00e1s","family":"G\u00f3mez-\u00c1lvarez","sequence":"first","affiliation":[{"name":"Centre for Research, Education, Innovation and Intervention in Sport, Faculty of Sport of the University of Porto, Porto, Portugal"},{"name":"Research Nucleus in Human Motricity 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