The Effect of a Training Programme in the Variation of Fitness Parameters, Physiological, Hematological and Biochemical Indicators of Soccer Players During the Preseason Period

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

ENROLLING_BY_INVITATION

Total Enrollment

24 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-07-01

Study Completion Date

2025-09-15

Brief Summary

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The goal of this study is to investigate the effects of varying friendly match-play exposure during the late pre-season on physiological, biochemical, and performance adaptations in soccer players. It is hypothesized that (i) significant changes will occur across the pre-season in both the extended- and limited-play groups when analysed independently; (ii) distinct group-specific adaptations will emerge by the end of the preparatory period; and (iii) match-play exposure, when analysed across all participants, will be significantly correlated with physiological and performance outcomes at pre-season completion. Players from a randomly selected team will be assessed at three time points: pre-season start, mid-pre-season (MPS), and pre-competition phase (PC). Assessments will include anthropometry, physical performance, and markers of muscle damage, inflammation, hormonal status, and haematology. Based on the total match-play time of 8 friendly games during the late pre-season, players will be retrospectively categorised into extended-play (EP) and limited-play (LP) cohorts.time of 8 friendly games during the late pre-season, players will be retrospectively categorised into extended-play (EP) and limited-play (LP) cohorts.

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Detailed Description

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Conditions

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Athletic Performance Soccer Muscle Damage Inflammation Exercise Test Pre-season Training Exercise Physiology Physical Fitness Exercise-induced Inflammation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Extended-Play

Participants with higher cumulative friendly match-play exposure during the late pre-season phase.

Friendly Match-Play Exposure: extended vs. limited

Intervention Type OTHER

This research explores the multidimensional physiological and biochemical responses to differing volumes of friendly match-play (i.e., extended vs. limited) during the late pre-season phase in soccer players.

Limited-Play

Participants with lower cumulative friendly match-play exposure during the late pre-season phase.

Friendly Match-Play Exposure: extended vs. limited

Intervention Type OTHER

This research explores the multidimensional physiological and biochemical responses to differing volumes of friendly match-play (i.e., extended vs. limited) during the late pre-season phase in soccer players.

Interventions

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Friendly Match-Play Exposure: extended vs. limited

This research explores the multidimensional physiological and biochemical responses to differing volumes of friendly match-play (i.e., extended vs. limited) during the late pre-season phase in soccer players.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Male participants
* Aged 18 years or older
* Non-smokers
* Injury-free for the past 6 months
* Medication-free for the past 6 months
* Abstinent from alcohol
* Living at an altitude below 1500 meters
* Committed exclusively to soccer (no participation in other sports)

Exclusion Criteria

* History of serious injuries (e.g., fractures, ligament tears) within the past 6 months
* Chronic medical conditions such as cardiovascular disease, diabetes, or respiratory disorders
* Current use of performance-enhancing drugs or supplements
* Participation in non-soccer-related sports or activities during the study period

Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes