{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T01:51:32Z","timestamp":1790214692439,"version":"4.1.0"},"reference-count":64,"publisher":"Human Kinetics","issue":"4","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025]]},"abstract":"<jats:p>\n                    This study investigated the test\u2013retest reliability of the countermovement-jump (CMJ)\u00a0test using Kistler force plates to assess explosive power in top-level para-karate athletes with intellectual impairment (II) or Down syndrome (DS). Forty-four athletes (II,\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200920; DS,\n                    <jats:italic>n<\/jats:italic>\n                    \u2009=\u200924) were evaluated during the 2023 World Karate Championships. Each performed two CMJs with a 1-min rest\u00a0between. Key parameters measured included jump height, force index, and maximal rate of force development. Results showed no significant differences between test and retest for either group. Athletes with II exhibited better reliability metrics (e.g.,\u00a0intraclass correlation coefficient [ICC]\u2009=\u2009.381\u2013.953) compared with DS (ICC\u2009=\u2009.029\u2013.64). The study concludes that the CMJ test is highly reliable for assessing explosive power in athletes with II, while DS requires careful protocol adjustments to enhance reliability, ensuring consistent data for coaches and sport scientists.\n                  <\/jats:p>","DOI":"10.1123\/apaq.2024-0149","type":"journal-article","created":{"date-parts":[[2025,6,4]],"date-time":"2025-06-04T02:12:07Z","timestamp":1749003127000},"page":"663-677","source":"Crossref","is-referenced-by-count":2,"title":["Countermovement-Jump Test\u2013Retest Reliability in Top-Level Para-Karate Athletes With Intellectual Impairment Using Kistler Force Plates"],"prefix":"10.1123","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5596-8508","authenticated-orcid":true,"given":"Radovan","family":"Hadza","sequence":"first","affiliation":[{"name":"Faculty of Physical Education and Sports, Comenius University, Bratislava, Slovakia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0206-6815","authenticated-orcid":true,"given":"Dusana","family":"Augustovicova","sequence":"additional","affiliation":[{"name":"Faculty of Physical Education and Sports, Comenius University, Bratislava, Slovakia"},{"name":"Faculty of Sports Studies, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8771-4580","authenticated-orcid":true,"given":"Ana Carolina","family":"Paludo","sequence":"additional","affiliation":[{"name":"Faculty of Sports Studies, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2754-4679","authenticated-orcid":true,"given":"Debbie","family":"Van Biesen","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, KU Leuven, Leuven, Belgium"},{"name":"Virtus World Intellectual Impairment Sport, Virtus Academy, Sheffield, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-2321-3239","authenticated-orcid":true,"given":"Michal","family":"Hruby","sequence":"additional","affiliation":[{"name":"Faculty of Sports Studies, Masaryk University, Brno, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"100","reference":[{"key":"r1","series-title":"International review of research in developmental disabilities","doi-asserted-by":"publisher","first-page":"169","DOI":"10.1016\/bs.irrdd.2019.06.007","article-title":"Motor development and syndrome","author":"Alesi, M.","year":"2019","unstructured":"Alesi, M., & Battaglia, G. 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