Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players

This study explored the effects of strength-focused, speed-focused, and non-specific resistance training on the athletic performance and sprint biomechanics through force-velocity-power (FVP) profile in youth professional soccer players (age: 17.6 ± 0.9 years). In a 6-week randomized-controlled tri...

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Main Authors: Ažbe Ribič, Jernej Pleša, Filip Ujaković, Žiga Kozinc
Format: Article
Language:English
Published: International Universities Strength and Conditioning Association 2025-01-01
Series:International Journal of Strength and Conditioning
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Online Access:https://journal.iusca.org/index.php/Journal/article/view/392
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author Ažbe Ribič
Jernej Pleša
Filip Ujaković
Žiga Kozinc
author_facet Ažbe Ribič
Jernej Pleša
Filip Ujaković
Žiga Kozinc
author_sort Ažbe Ribič
collection DOAJ
description This study explored the effects of strength-focused, speed-focused, and non-specific resistance training on the athletic performance and sprint biomechanics through force-velocity-power (FVP) profile in youth professional soccer players (age: 17.6 ± 0.9 years). In a 6-week randomized-controlled trial, 24 male participants were assigned to strength, speed, or control groups (n = 8 each). We assessed sprint performance, including sprint split times and the sprint FVP profile. Post-training, all groups showed significant enhancements in sprint times (p = 0.000-0.004, η² = 0.32-0.75) and FVP profile variables (p = 0.000-0.049; η² = 0.17-0.73). The strength group exhibited notable improvements in the maximal ratio of horizontal-to-resultant force (p = 0.026, d = 0.78) and maximal power (Phmax) (p = 0.013, d = 0.89) compared to controls. However, maximum velocity and maximum velocity at the end of acceleration phase did not significantly change in any group. These findings demonstrate that both strength and speed training significantly enhance force production capabilities in youth soccer players, influencing key FVP profile characteristics, without substantially affecting maximum velocity.
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series International Journal of Strength and Conditioning
spelling doaj-art-03120c60891e4f839ea55243f8c825f22025-01-27T19:54:06ZengInternational Universities Strength and Conditioning AssociationInternational Journal of Strength and Conditioning2634-22352025-01-015110.47206/ijsc.v5i1.392Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer PlayersAžbe Ribič0https://orcid.org/0009-0008-9459-3375Jernej Pleša1https://orcid.org/0009-0005-0763-1379Filip Ujaković2https://orcid.org/0000-0003-2835-7004Žiga Kozinc3https://orcid.org/0000-0003-3555-8680Faculty of Sports, University of LjubljanaUniversity of Primorska, Faculty of Health SciencesBasketball Club Cedevita Olimpija, Ljubljana, SloveniaUniversity of Primorska, Faculty of Health Sciences This study explored the effects of strength-focused, speed-focused, and non-specific resistance training on the athletic performance and sprint biomechanics through force-velocity-power (FVP) profile in youth professional soccer players (age: 17.6 ± 0.9 years). In a 6-week randomized-controlled trial, 24 male participants were assigned to strength, speed, or control groups (n = 8 each). We assessed sprint performance, including sprint split times and the sprint FVP profile. Post-training, all groups showed significant enhancements in sprint times (p = 0.000-0.004, η² = 0.32-0.75) and FVP profile variables (p = 0.000-0.049; η² = 0.17-0.73). The strength group exhibited notable improvements in the maximal ratio of horizontal-to-resultant force (p = 0.026, d = 0.78) and maximal power (Phmax) (p = 0.013, d = 0.89) compared to controls. However, maximum velocity and maximum velocity at the end of acceleration phase did not significantly change in any group. These findings demonstrate that both strength and speed training significantly enhance force production capabilities in youth soccer players, influencing key FVP profile characteristics, without substantially affecting maximum velocity. https://journal.iusca.org/index.php/Journal/article/view/392Resistance trainingAthletic performanceSprint timesForce productionMechanical efficiency
spellingShingle Ažbe Ribič
Jernej Pleša
Filip Ujaković
Žiga Kozinc
Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
International Journal of Strength and Conditioning
Resistance training
Athletic performance
Sprint times
Force production
Mechanical efficiency
title Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
title_full Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
title_fullStr Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
title_full_unstemmed Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
title_short Effects of Strength, Speed and Non-Specific Resistance Training on Athletic Performance And FVP Profile Characteristics of Youth Professional Soccer Players
title_sort effects of strength speed and non specific resistance training on athletic performance and fvp profile characteristics of youth professional soccer players
topic Resistance training
Athletic performance
Sprint times
Force production
Mechanical efficiency
url https://journal.iusca.org/index.php/Journal/article/view/392
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AT filipujakovic effectsofstrengthspeedandnonspecificresistancetrainingonathleticperformanceandfvpprofilecharacteristicsofyouthprofessionalsoccerplayers
AT zigakozinc effectsofstrengthspeedandnonspecificresistancetrainingonathleticperformanceandfvpprofilecharacteristicsofyouthprofessionalsoccerplayers