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Comparison of Velocity-Based and Traditional Strength Training in Youth Soccer Players

NCT07447258 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2026-03-03

No results posted yet for this study

Summary

This study compared the effects of velocity-based strength training and traditional strength training on physical performance and muscle adaptations in youth soccer players. Twenty-four male youth soccer players were randomly assigned to one of three training groups: velocity-based training with 10% velocity loss, velocity-based training with 20% velocity loss, or traditional resistance training performed to failure. All groups trained twice per week for six weeks using the same relative load.

Before and after the training period, participants completed assessments of sprint performance, jump performance, change of direction speed, muscle strength, and muscle thickness. The purpose of this study was to determine whether velocity-based training could provide similar or superior improvements in performance and muscle development compared with traditional training while using a lower total training volume.

Conditions

  • Athletic Performance
  • Muscle Strength
  • Resistance Training

Interventions

OTHER

Velocity-Based Training (10% Velocity Loss)

Resistance training performed using a velocity-based approach, where repetition velocity was monitored using a wearable device and each set was terminated when a 10% loss in movement velocity was reached. Training sessions were conducted twice per week for six weeks at a relative intensity of 80% of one-repetition maximum.

OTHER

Velocity-Based Training (20% Velocity Loss)

Resistance training performed using a velocity-based approach, where repetition velocity was monitored using a wearable device and each set was terminated when a 20% loss in movement velocity was reached. Training sessions were conducted twice per week for six weeks at a relative intensity of 80% of one-repetition maximum.

OTHER

Traditional Strength Training

Traditional resistance training performed without velocity monitoring, where sets were completed until voluntary concentric muscular failure. Training sessions were conducted twice per week for six weeks at a relative intensity of 80% of one-repetition maximum.

Sponsors & Collaborators

  • Engin Güneş Atabaş

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
15 Years
Max Age
17 Years
Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2021-03-15
Primary Completion
2021-05-15
Completion
2021-05-15

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07447258 on ClinicalTrials.gov