{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T03:59:31Z","timestamp":1770177571792,"version":"3.49.0"},"reference-count":36,"publisher":"Ovid Technologies (Wolters Kluwer Health)","funder":[{"name":"JF Reis, by Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","award":["UID\/06349\/2025"],"award-info":[{"award-number":["UID\/06349\/2025"]}]}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>The ability to accelerate rapidly and reach high maximal speeds is essential for soccer performance. The Acceleration-Speed (A-S) profile provides an efficient method to assess these capabilities through continuous monitoring during training sessions. This article introduces a novel four-quadrant profiling system based on A-S profile parameters\u2014maximal theoretical acceleration (A0) and speed (S0)\u2014to categorize athletes and inform individualized training strategies. Each quadrant reflects distinct performance characteristics, allowing practitioners to tailor interventions accordingly. To enhance diagnostic precision, the model integrates complementary strength and power assessments (e.g., countermovement jump, depth jump, sprint times) that reveal underlying physical limitations. Practical training recommendations are presented for each quadrant across 3 levels: gym-based, sprint-specific, and soccer-specific drills. The framework also facilitates athlete comparison across age groups, playing positions, and longitudinal development, providing actionable insights for talent identification and performance optimization. This integrated approach supports evidence-based decision making and promotes individualized player development in elite soccer environments. Future research should examine the long-term impact of quadrant-specific interventions and validate physical benchmarks across soccer populations.<\/jats:p>","DOI":"10.1519\/ssc.0000000000000946","type":"journal-article","created":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T15:00:13Z","timestamp":1770130813000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Acceleration-Speed Profile as a Framework for Individualized Speed Training in Soccer"],"prefix":"10.1519","author":[{"given":"Pedro","family":"Cardoso","sequence":"first","affiliation":[{"name":"Medical and Performance Department, Sporting Clube Portugal SAD, Lisboa, Portugal;"},{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal; and"}]},{"given":"Jo\u00e3o R.","family":"Vaz","sequence":"additional","affiliation":[{"name":"Egas Moniz Interdisciplinary Research Centre, Egas Moniz School of Health & Science, Monte de Caparica, Portugal;"}]},{"given":"Nuno","family":"Loureiro","sequence":"additional","affiliation":[{"name":"Medical and Performance Department, Sporting Clube Portugal SAD, Lisboa, Portugal;"}]},{"given":"Ruben","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Medical and Performance Department, Sporting Clube Portugal SAD, Lisboa, Portugal;"}]},{"given":"Jo\u00e3o Pedro","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Medical and Performance Department, Sporting Clube Portugal SAD, Lisboa, Portugal;"}]},{"given":"Joana F.","family":"Reis","sequence":"additional","affiliation":[{"name":"Laboratory of Physiology and Biochemistry of Exercise, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal; and"},{"name":"CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz-Quebrada - Dafundo, Portugal"}]},{"given":"Francisco","family":"Tavares","sequence":"additional","affiliation":[{"name":"Medical and Performance Department, Sporting Clube Portugal SAD, Lisboa, Portugal;"}]}],"member":"276","published-online":{"date-parts":[[2025,12,24]]},"reference":[{"key":"R1-20260203","doi-asserted-by":"crossref","first-page":"2143","DOI":"10.1007\/s40279-018-0947-8","article-title":"The effectiveness of resisted sled training (RST) for sprint performance: A systematic review and meta-analysis","volume":"48","author":"Alcaraz","year":"2018","journal-title":"Sports Med"},{"key":"R2-20260203","doi-asserted-by":"crossref","first-page":"563","DOI":"10.1519\/JSC.0000000000004637","article-title":"Validity and reliability of the acceleration-speed profile for assessing running kinematics' variables derived from the force-velocity profile in professional soccer players","volume":"38","author":"Alonso-Callejo","year":"2024","journal-title":"J Strength Cond 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