Micro-Dosed vs. Traditional Plyometric Training in Elite Youth Soccer

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-07-08

Study Completion Date

2024-09-17

Brief Summary

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The goal of this clinical trial is to learn if a micro-dosed plyometric training program works as well as a traditional plyometric program for improving speed and explosive abilities in elite under-19 soccer players during the pre-season.

The main questions are:

1. Does micro-dosed training improve explosive and speed abilites, such as jumping and sprinting, as much as traditional training?
2. Does it improve reactivity and change-of-direction ability ?

Researchers will compare two groups:

* Traditional Training Group: 2 sessions per week, about 40 minutes each.
* Micro-dosed Group: 3-4 shorter sessions per week, about 20 minutes each. Both groups will complete the same total weekly training volume.

Participants will:

* Take part in an 8-week plyometric training program during pre-season.
* Complete performance tests (CM jump tests, a 30-meter sprint, and a 15-0-5 change-of-direction test, broad jump test, drop jump test) before and after 8-week plyometric intervention, .

This study will help coaches and players understand if shorter, more frequent plyometric training sessions can be a good alternative to traditional longer sessions when weekly training load is matched.

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Detailed Description

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Conditions

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Plyometric Exercises Soccer Performance Speed Explosive Strength Microdosing

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

This is a parallel-group, quasi-experimental design. Players were allocated into two groups (micro-dosed vs. traditional plyometric training) using performance-based ranking (countermovement jump and drop jump tests) to achieve balanced groups. Both groups completed the similiar total weekly training volume during the 8-week pre-season period.

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Masking was not feasible due to the visible differences in training frequency and scheduling.

Study Groups

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Traditional Plyometric Training Group

Participants in this group completed a traditional plyometric training program during the 8-week pre-season period. The program consisted of 2 sessions per week, each lasting about 40 minutes. Exercises included countermovement jumps, drop jumps, broad jumps, and other standard plyometric drills. The total weekly training volume was matched to the micro-dosed group.

Group Type ACTIVE_COMPARATOR

Traditional group training program

Intervention Type BEHAVIORAL

This intervention consists of two supervised plyometric training sessions per week, each lasting about 40 minutes. It represents the traditional approach with fewer but longer sessions. The total weekly training volume is equivalent to the micro-dosed group but distributed differently.

Micro-dosed Plyometric Training Group

Participants in this group completed a micro-dosed plyometric training program during the 8-week pre-season period. The program consisted of 3 to 4 shorter sessions per week, each lasting about 20 minutes. The same types of plyometric exercises were used as in the traditional group (e.g., countermovement jumps, drop jumps, broad jumps). The total weekly training volume was matched to the traditional group.

Group Type EXPERIMENTAL

Micro-dosed group training program

Intervention Type BEHAVIORAL

This intervention consists of three to four shorter supervised plyometric sessions per week, each lasting about 20 minutes. It represents a micro-dosed approach, with higher frequency but shorter duration per session. The total weekly training volume is equivalent to the traditional group but distributed across more frequent sessions.

Interventions

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Traditional group training program

This intervention consists of two supervised plyometric training sessions per week, each lasting about 40 minutes. It represents the traditional approach with fewer but longer sessions. The total weekly training volume is equivalent to the micro-dosed group but distributed differently.

Intervention Type BEHAVIORAL

Micro-dosed group training program

This intervention consists of three to four shorter supervised plyometric sessions per week, each lasting about 20 minutes. It represents a micro-dosed approach, with higher frequency but shorter duration per session. The total weekly training volume is equivalent to the traditional group but distributed across more frequent sessions.

Intervention Type BEHAVIORAL

Other Intervention Names

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Traditional Group TRG Micro-dose group MDG

Eligibility Criteria

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Inclusion Criteria

* Active membership in a U19 elite soccer club during the intervention.
* Medical fitness to participate in plyometric training and testing.
* Attendance at ≥75% of training sessions.
* Completion of all mandatory pre- and post-tests.
* Previous experience with plyometric training and testing procedures.

Exclusion Criteria

* Medical limitations preventing safe participation in training or testing.
* Attendance lower than 75% of scheduled intervention sessions.
* Failure to complete mandatory baseline or follow-up testing.
* Injury preventing completion of the intervention.

Minimum Eligible Age

17 Years

Maximum Eligible Age

19 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes