{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T17:27:30Z","timestamp":1787160450126,"version":"build-2736575974"},"reference-count":78,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T00:00:00Z","timestamp":1777248000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Physiol."],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to compare the relative effects of unilateral and bilateral plyometric training on jump, sprint, and change-of-direction performance in adolescent team-sport athletes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A systematic search was conducted in PubMed, Web of Science, Scopus, and Embase databases. Effect sizes were calculated from pre- and post-training changes and pooled using a random-effects model, expressed as SMD (Hedges\u2019 g) and its 95% CI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 11 studies involving 388 participants were included. Between-group comparisons showed no significant differences for countermovement jump (CMJ) (SMD = \u22120.06, 95% CI \u22120.32 to 0.20, I\u00b2 = 0%, p = 0.649), standing long jump (SLJ) (SMD = \u22120.20, 95% CI \u22120.55 to 0.15, I\u00b2 = 0%, p = 0.268), \u226410 m sprint (SMD = \u22120.22, 95% CI \u22120.53 to 0.09, I\u00b2 = 0%, p = 0.164), \u226520 m sprint (SMD = \u22120.06, 95% CI \u22120.31 to 0.20, I\u00b2 = 0%, p = 0.669), or change-of-direction (COD) (SMD = \u22120.01, 95% CI \u22120.33 to 0.31, I\u00b2 = 27.9%, p = 0.946). Unilateral plyometric training showed greater improvements in single-leg tasks, including single-leg CMJ (SMD\u00a0=\u00a00.34, 95% CI 0.07 to 0.61, I\u00b2 = 0%, p = 0.013) and single-leg COD (SMD = \u22120.61, 95% CI \u22121.01 to \u22120.21, I\u00b2 = 0%, p = 0.003).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This study found no clear between-group advantage between unilateral and bilateral plyometric training for bilateral jump performance (CMJ and SLJ), sprint performance (\u226410 m and \u226520 m), or COD. However, unilateral plyometric training appeared to provide greater benefits in single-leg tasks, particularly single-leg CMJ and single-leg COD, suggesting a possible task-specific advantage.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Systematic review registration<\/jats:title>\n                    <jats:p>\n                      <jats:ext-link>https:\/\/www.crd.york.ac.uk\/prospero\/<\/jats:ext-link>\n                      , identifier PROSPERO CRD420261324213.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fphys.2026.1820331","type":"journal-article","created":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T04:28:08Z","timestamp":1777264088000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Comparative effects of unilateral and bilateral plyometric training on physical fitness in adolescent team-sport athletes: a systematic review and meta-analysis"],"prefix":"10.3389","volume":"17","author":[{"given":"Fengming","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shijie","family":"Shi","sequence":"additional","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanpeng","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiale","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oleksandr","family":"Yeremenko","sequence":"additional","affiliation":[{"name":"Department of History and Theory of Olympic Sport, National University of Physical Education and Sport of Ukraine","place":["Kyiv, Ukraine"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,4,27]]},"reference":[{"key":"B1","first-page":"151","article-title":"Effects of lower body plyometric training in young Kashmiri female volleyball players","volume":"7","author":"Ahmad","year":"2020","journal-title":"Int. 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