Short-term adaptations following Complex Training in team-sports: A meta-analysis.
<h4>Objective</h4>The purpose of this meta-analysis was to study the short-term adaptations on sprint and vertical jump (VJ) performance following Complex Training (CT) in team-sports. CT is a resistance training method aimed at developing both strength and power, which has a direct effe...
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Public Library of Science (PLoS)
2017-01-01
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| Series: | PLoS ONE |
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| author | Tomás T Freitas Alejandro Martinez-Rodriguez Julio Calleja-González Pedro E Alcaraz |
| author_facet | Tomás T Freitas Alejandro Martinez-Rodriguez Julio Calleja-González Pedro E Alcaraz |
| author_sort | Tomás T Freitas |
| collection | DOAJ |
| description | <h4>Objective</h4>The purpose of this meta-analysis was to study the short-term adaptations on sprint and vertical jump (VJ) performance following Complex Training (CT) in team-sports. CT is a resistance training method aimed at developing both strength and power, which has a direct effect on sprint and VJ. It consists on alternating heavy resistance training exercises with plyometric/power ones, set for set, on the same workout.<h4>Methods</h4>A search of electronic databases up to July 2016 (PubMed-MEDLINE, SPORTDiscus, Web of Knowledge) was conducted. Inclusion criteria: 1) at least one CT intervention group; 2) training protocols ≥4-wks; 3) sample of team-sport players; 4) sprint or VJ as an outcome variable. Effect sizes (ES) of each intervention were calculated and subgroup analyses were performed.<h4>Results</h4>A total of 9 studies (13 CT groups) met the inclusion criteria. Medium effect sizes (ES) (ES = 0.73) were obtained for pre-post improvements in sprint, and small (ES = 0.41) in VJ, following CT. Experimental-groups presented better post-intervention sprint (ES = 1.01) and VJ (ES = 0.63) performance than control-groups.<h4>Sprint</h4>large ESs were exhibited in younger athletes (<20 years old; ES = 1.13); longer CT interventions (≥6 weeks; ES = 0.95); conditioning activities with intensities ≤85% 1RM (ES = 0.96) and protocols with frequencies of <3 sessions/week (ES = 0.84). Medium ESs were obtained in Division I players (ES = 0.76); training programs >12 total sessions (ES = 0.74).<h4>Vj</h4>Large ESs in programs with >12 total sessions (ES = 0.81). Medium ESs obtained for under-Division I individuals (ES = 0.56); protocols with intracomplex rest intervals ≥2 min (ES = 0.55); conditioning activities with intensities ≤85% 1RM (ES = 0.64); basketball/volleyball players (ES = 0.55). Small ESs were found for younger athletes (ES = 0.42); interventions ≥6 weeks (ES = 0.45).<h4>Conclusions</h4>CT interventions have positive medium effects on sprint performance and small effects on VJ in team-sport athletes. This training method is a suitable option to include in the season planning. |
| format | Article |
| id | doaj-art-692ea7b1d43146beb2df12e184013646 |
| institution | Kabale University |
| issn | 1932-6203 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Public Library of Science (PLoS) |
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| spelling | doaj-art-692ea7b1d43146beb2df12e1840136462025-01-17T05:32:07ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01126e018022310.1371/journal.pone.0180223Short-term adaptations following Complex Training in team-sports: A meta-analysis.Tomás T FreitasAlejandro Martinez-RodriguezJulio Calleja-GonzálezPedro E Alcaraz<h4>Objective</h4>The purpose of this meta-analysis was to study the short-term adaptations on sprint and vertical jump (VJ) performance following Complex Training (CT) in team-sports. CT is a resistance training method aimed at developing both strength and power, which has a direct effect on sprint and VJ. It consists on alternating heavy resistance training exercises with plyometric/power ones, set for set, on the same workout.<h4>Methods</h4>A search of electronic databases up to July 2016 (PubMed-MEDLINE, SPORTDiscus, Web of Knowledge) was conducted. Inclusion criteria: 1) at least one CT intervention group; 2) training protocols ≥4-wks; 3) sample of team-sport players; 4) sprint or VJ as an outcome variable. Effect sizes (ES) of each intervention were calculated and subgroup analyses were performed.<h4>Results</h4>A total of 9 studies (13 CT groups) met the inclusion criteria. Medium effect sizes (ES) (ES = 0.73) were obtained for pre-post improvements in sprint, and small (ES = 0.41) in VJ, following CT. Experimental-groups presented better post-intervention sprint (ES = 1.01) and VJ (ES = 0.63) performance than control-groups.<h4>Sprint</h4>large ESs were exhibited in younger athletes (<20 years old; ES = 1.13); longer CT interventions (≥6 weeks; ES = 0.95); conditioning activities with intensities ≤85% 1RM (ES = 0.96) and protocols with frequencies of <3 sessions/week (ES = 0.84). Medium ESs were obtained in Division I players (ES = 0.76); training programs >12 total sessions (ES = 0.74).<h4>Vj</h4>Large ESs in programs with >12 total sessions (ES = 0.81). Medium ESs obtained for under-Division I individuals (ES = 0.56); protocols with intracomplex rest intervals ≥2 min (ES = 0.55); conditioning activities with intensities ≤85% 1RM (ES = 0.64); basketball/volleyball players (ES = 0.55). Small ESs were found for younger athletes (ES = 0.42); interventions ≥6 weeks (ES = 0.45).<h4>Conclusions</h4>CT interventions have positive medium effects on sprint performance and small effects on VJ in team-sport athletes. This training method is a suitable option to include in the season planning.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0180223&type=printable |
| spellingShingle | Tomás T Freitas Alejandro Martinez-Rodriguez Julio Calleja-González Pedro E Alcaraz Short-term adaptations following Complex Training in team-sports: A meta-analysis. PLoS ONE |
| title | Short-term adaptations following Complex Training in team-sports: A meta-analysis. |
| title_full | Short-term adaptations following Complex Training in team-sports: A meta-analysis. |
| title_fullStr | Short-term adaptations following Complex Training in team-sports: A meta-analysis. |
| title_full_unstemmed | Short-term adaptations following Complex Training in team-sports: A meta-analysis. |
| title_short | Short-term adaptations following Complex Training in team-sports: A meta-analysis. |
| title_sort | short term adaptations following complex training in team sports a meta analysis |
| url | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0180223&type=printable |
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