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dc.contributor.authorChatzinikolaou, A
dc.contributor.authorMichaloglou, K
dc.contributor.authorAvloniti, A
dc.contributor.authorLeontsini, D
dc.contributor.authorDeli, CK
dc.contributor.authorVlachopoulos, D
dc.contributor.authorGracia Marco, L
dc.contributor.authorArsenis, S
dc.contributor.authorAthanailidis, I
dc.contributor.authorDraganidis, D
dc.contributor.authorJamurtas, AZ
dc.contributor.authorWilliams, CA
dc.contributor.authorFatouros, IG
dc.date.accessioned2018-02-19T13:45:00Z
dc.date.issued2018-05-01
dc.description.abstractPurpose: Τo investigate the effect of a complex, short-term strength/power training protocol on performance and body composition of elite early-adolescent soccer players. Methods: Twenty-two players (14-15 years) were randomly assigned to (a) an experimental (EG, n=12, participated in a 5-week training protocol with traditional multi-joint power resistance exercises, Olympic-style lifts, plyometric drills and speed work, four times/week) or (b) a control group (CG, n=10). Strength and power performance [jumping, speed, change of direction, repeated sprint ability, endurance, isokinetic strength of knee flexors and extensors, maximal strength in various lifts, speed-endurance) were evaluated pre- and post-training. Results: Cessation of training for five weeks in the CG induced a marked performance deterioration (~5-20%). Training not only prevented strength performance deterioration but also increased it (~2-30%). Endurance and RSA declined to a smaller extent in EG compared to CG (15% vs. 7.5%). Isometric strength, and body composition remained unaltered in both groups. Conclusions: Results demonstrate that (i) young players exhibit a high level of trainability of their strength/power performance (but not endurance) in response a short-term complex training protocol during early adolescence, (ii) Olympic-style lifts are characterized by increased safety in this age group and appear to be highly effective, (iii) it appears that lifts incorporating a hip thrust result in increased strength of both knee extensors and flexors, (iv) cessation of training for only five weeks results in marked deterioration of strength/power and endurance performance and (v) improvement of strength/power performance may be related to neural-based adaptation since body composition remained unaffected.en_GB
dc.description.sponsorshipThis study was supported by departmental funding.en_GB
dc.identifier.citationVol. 13 (5), pp. 645-655en_GB
dc.identifier.doi10.1123/ijspp.2017-0763
dc.identifier.urihttp://hdl.handle.net/10871/31569
dc.language.isoenen_GB
dc.publisherHuman Kineticsen_GB
dc.rights© 2018 Human Kinetics, Inc.en_GB
dc.subjectassociation socceren_GB
dc.subjectadolescenceen_GB
dc.subjectweight trainingen_GB
dc.subjectplyometricsen_GB
dc.subjectbody compositionen_GB
dc.titleThe trainability of adolescent soccer players to brief periodized complex trainingen_GB
dc.typeArticleen_GB
dc.date.available2018-02-19T13:45:00Z
dc.identifier.issn1555-0265
dc.descriptionThis is the author accepted manuscript. The final version is available from Human Kinetics via the DOI in this recorden_GB
dc.identifier.journalInternational Journal of Sports Physiology and Performanceen_GB


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