{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T17:54:41Z","timestamp":1765994081424,"version":"3.48.0"},"reference-count":44,"publisher":"Human Kinetics","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,1,1]]},"abstract":"<jats:p>\n                    <jats:italic>\n                      <jats:bold>Purpose<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    This study aimed to evaluate the reliability of the acceleration\u2013speed profile in elite male and female football players across 3 competitive seasons. Specifically, we assessed how the number and type of microcycles influence the reliability of theoretical maximal acceleration (A\n                    <jats:sub>0<\/jats:sub>\n                    ) and speed (S\n                    <jats:sub>0<\/jats:sub>\n                    ).\n                    <jats:italic>\n                      <jats:bold>Methods<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    GPS-derived acceleration and speed data were collected from 181 women\u2019s and 146 men\u2019s microcycles. Acceleration\u2013speed profiles were constructed using overlapping windows of 1 to 5 consecutive microcycles, classified as competitive, including match day (MD) or post-MD (MD\u2009+\u20091) or noncompetitive, not including MD or MD\u2009+\u20091. Linear regressions were applied to estimate A\n                    <jats:sub>0<\/jats:sub>\n                    and S\n                    <jats:sub>0<\/jats:sub>\n                    .\n                    <jats:italic>\n                      <jats:bold>Results<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    Theoretical maximal acceleration and S\n                    <jats:sub>0<\/jats:sub>\n                    increased with longer microcycles but plateaued beyond 5\u00a0days. Grouping by 2 microcycles showed the highest reliability for both A\n                    <jats:sub>0<\/jats:sub>\n                    and S\n                    <jats:sub>0<\/jats:sub>\n                    in male and female players. Competitive profiles consistently outperformed noncompetitive profiles in terms of stability and signal quality across both sexes. Male players demonstrated lower variability and higher signal-to-noise ratios than female players.\n                    <jats:italic>\n                      <jats:bold>Conclusions<\/jats:bold>\n                      :\n                    <\/jats:italic>\n                    The most reliable acceleration\u2013speed profiles can be obtained from 2 consecutive microcycles, each including 5 or more sessions and at least 1 MD or MD\u2009+\u20091. These findings support the integration of in situ sprint profiling into applied performance monitoring without the need for isolated testing.\n                  <\/jats:p>","DOI":"10.1123\/ijspp.2025-0292","type":"journal-article","created":{"date-parts":[[2025,11,8]],"date-time":"2025-11-08T15:51:28Z","timestamp":1762617088000},"page":"33-40","source":"Crossref","is-referenced-by-count":0,"title":["Methodological Insights Into the Acceleration\u2013Speed Profile: Optimizing Data Analysis for Reliable Application in Elite Female and Male Football"],"prefix":"10.1123","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1604-4916","authenticated-orcid":true,"given":"Antonio","family":"Alonso-Callejo","sequence":"first","affiliation":[{"name":"IGOID Research Group, Department of Physical Activity and Sport Sciences, University of Castilla-La Mancha, Toledo, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2932-5581","authenticated-orcid":true,"given":"Jose Maria","family":"Manzano","sequence":"additional","affiliation":[{"name":"Department of Engineering, Universidad Loyola Andaluc\u00eda, Seville, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1741-5566","authenticated-orcid":true,"given":"Jorge","family":"Garcia-Unanue","sequence":"additional","affiliation":[{"name":"IGOID Research Group, Department of Physical Activity and Sport Sciences, University of Castilla-La Mancha, Toledo, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7548-8229","authenticated-orcid":true,"given":"Marc","family":"Guitart","sequence":"additional","affiliation":[{"name":"Performance Department FC Barcelona, Bar\u00e7a Innovation Hub, Futbol Club Barcelona, Barcelona, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Berta","family":"Carles","sequence":"additional","affiliation":[{"name":"Performance Department FC Barcelona, Bar\u00e7a Innovation Hub, Futbol Club Barcelona, Barcelona, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6296-6121","authenticated-orcid":true,"given":"Leonor","family":"Gallardo","sequence":"additional","affiliation":[{"name":"IGOID Research Group, Department of Physical Activity and Sport Sciences, University of Castilla-La Mancha, Toledo, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2029-1277","authenticated-orcid":true,"given":"Jos\u00e9 Luis","family":"Felipe","sequence":"additional","affiliation":[{"name":"IGOID Research Group, Department of Physical Activity and Sport Sciences, University of Castilla-La Mancha, Toledo, Spain"},{"name":"Performance Analysis Department, UD Las Palmas, Las Palmas de Gran Canaria, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"issue":"7","key":"r1","series-title":"J Sports Sci","doi-asserted-by":"publisher","first-page":"625","DOI":"10.1080\/02640414.2012.665940","article-title":"Straight sprinting is the most frequent action in goal situations in professional football","volume":"30","author":"Faude O","year":"2012","unstructured":"Faude O, Koch T, Meyer T. 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