{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T10:54:13Z","timestamp":1791888853575,"version":"4.3.4"},"reference-count":0,"publisher":"Walter de Gruyter GmbH","issue":"1","license":[{"start":{"date-parts":[[2015,4,1]],"date-time":"2015-04-01T00:00:00Z","timestamp":1427846400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The aim of the study was to identify the level of\nisokinetic strength and power of lower limbs in 13-year-\nold untrained boys (n=22, height: 158.5\u00b18.0 cm, mass:\n49.1\u00b112.6 kg), to determine bilateral deficit between the\nlimbs in the tests and examine their mutual relationship.\nMaximum peak muscle torque of knee extensors (PTQ)\nand flexors (PTH) on dominant (DL) and non-dominant\nleg (NL) were measured by isokinetic dynamometer. Three\ntypes of a vertical jump: countermovement jump with\n(CMJFA) and without arms (CMJ) and squat jump (SJ) were\nperformed on two force platforms.<\/jats:p>\n               <jats:p>\nWe found the significant effect (p&lt;.01) of independent vari-\nables (knee extensors, flexors, AV) and their interaction\non PT. AV did not indicate any significant effect on bilat-\neral ratio of knee extensors (F4,84=.74, p&gt;.05, \u03b7p2=0.03),\nhowever a significant effect of AV was found in knee\nflexors (F4,84=2.70,p&lt;.05, \u03b7p2=.114). The type of jump had\nno effect on the difference between force exerted by DL\nand NL (F1,21=.102, p&gt;.05, \u03b7p2=.01). Bilateral deficit (Q:Q,\nH:H) did not significantly correlate with bilateral deficit in\njumps (p&gt;.05).<\/jats:p>\n               <jats:p>\nDespite the possibility of identifying muscle asymmetries\nin the sense of strength imbalances, their mutual relation-\nship with results in isokinetic dynamometry and power\njump tests is still unclear.<\/jats:p>","DOI":"10.1515\/med-2015-0034","type":"journal-article","created":{"date-parts":[[2015,5,6]],"date-time":"2015-05-06T12:53:16Z","timestamp":1430916796000},"source":"Crossref","is-referenced-by-count":19,"title":["The bilateral strength and power asymmetries in untrained boys"],"prefix":"10.1515","volume":"10","author":[{"given":"Tomas","family":"Maly","sequence":"first","affiliation":[{"name":"Faculty of Physical Education and Sport, Charles University in Prague, Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frantisek","family":"Zahalka","sequence":"additional","affiliation":[{"name":"Sport Research Centre, Faculty of Physical Education and Sport, Charles University in Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucia","family":"Mala","sequence":"additional","affiliation":[{"name":"Sport Research Centre, Faculty of Physical Education and Sport, Charles University in Prague, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pavol","family":"Cech","sequence":"additional","affiliation":[{"name":"Department of Sport Kinanthropology, Faculty of Sports, University of Presov in Presov, Slovak Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"374","published-online":{"date-parts":[[2015,4,1]]},"container-title":["Open Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.degruyter.com\/view\/journals\/med\/open-issue\/article-10.1515-med-2015-0034\/article-10.1515-med-2015-0034.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.degruyter.com\/document\/doi\/10.1515\/med-2015-0034\/xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.degruyter.com\/document\/doi\/10.1515\/med-2015-0034\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,6,5]],"date-time":"2024-06-05T13:05:30Z","timestamp":1717592730000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.degruyter.com\/document\/doi\/10.1515\/med-2015-0034\/html"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,4,1]]},"references-count":0,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2015,5,28]]}},"alternative-id":["10.1515\/med-2015-0034"],"URL":"https:\/\/doi.org\/10.1515\/med-2015-0034","relation":{},"ISSN":["2391-5463"],"issn-type":[{"value":"2391-5463","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,4,1]]}}}