{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T16:24:07Z","timestamp":1770740647638,"version":"3.49.0"},"reference-count":32,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2016,6,16]],"date-time":"2016-06-16T00:00:00Z","timestamp":1466035200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sports"],"abstract":"<jats:p>The main objective was to analyze a friendly match of youth elite soccer players identifying the variance of tactical and physiological response parameters during the game. In addition, detecting the impact of both halves on player performance. For the purposes of this study twenty-two U19 players were analyzed playing 11v11. Activity profile, heart rate (HR and HRmax), grouped in five different zones were analyzed via Bluetooth technology, technical performance was analyzed by the Team Sport Assessment Procedure (TSAP), and tactical performance was measured by Social Network Analysis. A comparison of heart rate responses showed significant main effects in the halves (p = 0.001;      \u03b7 p 2      = 0.623). A comparison between tactical position and technical performance had significant main effects (p = 0.001;      \u03b7 p 2      = 0.390). Tactical position showed statistically significant effects on tactical prominence (p = 0.002;      \u03b7 p 2      = 0.296). Therefore, fatigue is a component distinguished in technical\/tactical parameters, such as volume of play and efficiency index. Results suggest that fatigue effects may constrain technical performance and, for that reason, the use of instruments to monitor the fatigue effect during matches may be suggested.<\/jats:p>","DOI":"10.3390\/sports4020035","type":"journal-article","created":{"date-parts":[[2016,6,16]],"date-time":"2016-06-16T10:23:20Z","timestamp":1466072600000},"page":"35","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Analysis of Physiological, Technical, and Tactical Analysis during a Friendly Football Match of Elite U19"],"prefix":"10.3390","volume":"4","author":[{"given":"Juan","family":"Ortega","sequence":"first","affiliation":[{"name":"Physical Education Department, University of Castilla-La Mancha, Edificio Fray Luis de Le\u00f3n, 16071 Cuenca, Spain"}]},{"given":"Carlos","family":"Evangelio","sequence":"additional","affiliation":[{"name":"Physical Education Department, University of Castilla-La Mancha, Edificio Fray Luis de Le\u00f3n, 16071 Cuenca, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9813-2842","authenticated-orcid":false,"given":"Filipe","family":"Clemente","sequence":"additional","affiliation":[{"name":"Instituto Polit\u00e9cnico de Viana do Castelo, Escola Superior de Desporto e Lazer, Complexo Desportivo e Lazer Comendador Rui Solheiro\u2014Monte de Prado, 4960-320 Melga\u00e7o, Portugal"},{"name":"Instituto de Telecomunica\u00e7\u00f5es, Delega\u00e7\u00e3o da Covilh\u00e3, Instituto Superior T\u00e9cnico\u2014Torre Norte \u2014Piso 10, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1812-2300","authenticated-orcid":false,"given":"Fernando","family":"Martins","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Delega\u00e7\u00e3o da Covilh\u00e3, Instituto Superior T\u00e9cnico\u2014Torre Norte \u2014Piso 10, Av. Rovisco Pais, 1, 1049-001 Lisboa, Portugal"},{"name":"Instituto Polit\u00e9cnico de Coimbra, Escola Superior de Educa\u00e7\u00e3o, Departamento de Educa\u00e7\u00e3o, IIA, RoboCorp, ASSERT, Rua Dom Jo\u00e3o III, 3030-329 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2473-5223","authenticated-orcid":false,"given":"Sixto","family":"Gonz\u00e1lez-V\u00edllora","sequence":"additional","affiliation":[{"name":"Physical Education Department, University of Castilla-La Mancha, Edificio Fray Luis de Le\u00f3n, 16071 Cuenca, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2016,6,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1123\/jtpe.18.2.159","article-title":"The Foundations of Tactics and Strategy in Team Sports","volume":"18","author":"Godbout","year":"1999","journal-title":"J. Teach. Phys. 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