{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T14:58:24Z","timestamp":1747148304100,"version":"3.40.5"},"reference-count":38,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T00:00:00Z","timestamp":1718582400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["European Journal of Sport Science"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Step\u2010up variations are frequently used in sports performance to develop coordinated and powerful movements that transfer to running. This study aimed to quantify the kinetic characteristics of the first foot contact of four different step\u2010up variations. Ten professional rugby league players participated in this study and performed the Barbell One Box Step\u2010Up with Catch (BB1), Barbell Two Box Step\u2010Up (BB2), Vest Two Box Run (VEST) and Step\u2010Up Jump (JUMP) as part of routine in\u2010season strength training sessions during one season. Peak force, total impulse and maximal rate of force development (RFD) were measured from first foot contact on the step\u2010up box. Significantly greater peak force and RFD were observed in JUMP than any other variation (standardized mean difference; SMD: 3.9\u20135.5; <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). Total impulse was equal between JUMP and BB1, and significantly greater in JUMP than BB2 and VEST (SMD: 1.3\u20132.3; <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001), and in BB1 than BB2 and VEST (SMD: 1.8\u20132.8; <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). Significantly larger peak force and RFD were observed in BB2 and VEST than BB1 (SMD: 0.6\u20130.7) and in total impulse in BB2 than VEST (SMD: 1.6) (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). The results of this study highlight that step\u2010up exercise variations maximize different kinetic characteristics, which may transfer differently to athlete running performance.<\/jats:p>","DOI":"10.1002\/ejsc.12150","type":"journal-article","created":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T04:43:32Z","timestamp":1718685812000},"page":"1086-1094","source":"Crossref","is-referenced-by-count":0,"title":["A kinetic analysis of four high velocity, horizontally focused step\u2010up variations for acceleration training"],"prefix":"10.1002","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3317-8791","authenticated-orcid":false,"given":"Daniel J.","family":"Glassbrook","sequence":"first","affiliation":[{"name":"Faculty of Medicine, Health and Human Sciences Department of Health Sciences Macquarie University  Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris A.","family":"Dorman","sequence":"additional","affiliation":[{"name":"South Sydney Rabbitohs Rugby League Club  Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1227-6835","authenticated-orcid":false,"given":"Tim L.A.","family":"Doyle","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Health and Human Sciences Department of Health Sciences Macquarie University  Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jarrod A.","family":"Wade","sequence":"additional","affiliation":[{"name":"South Sydney Rabbitohs Rugby League Club  Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0997-4878","authenticated-orcid":false,"given":"Joel T.","family":"Fuller","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Health and Human Sciences Department of Health Sciences Macquarie University  Sydney New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,6,17]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1519\/jsc.0000000000002923"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1519\/jsc.0000000000003035"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1519\/jsc.0000000000003055"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2007.2354"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1123\/jab.2014\u20100214"},{"volume-title":"Strength Training and Coordination: An Integrative Approach","year":"2015","author":"Bosch F.","key":"e_1_2_7_7_1"},{"volume-title":"Biomechanics and Exercise Physiology Applied in Practice","year":"2005","author":"Bosch F.","key":"e_1_2_7_8_1"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1519\/ssc.0000000000000450"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.2519\/jospt.2011.3408"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1111\/sms.13093"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.2165\/00007256\u2010200333130\u201000003"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1123\/jsr.2016\u20100088"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1519\/jsc.0b013e31820d9ff6"},{"key":"e_1_2_7_15_1","article-title":"Ground Reaction Forces in Step Aerobics","volume":"8","author":"Fujarczuk K.","year":"2006","journal-title":"Acta of Bioengineering and Biomechanics"},{"volume-title":"Step\u2010Up Variations","year":"2023","author":"Glassbrook D. 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