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Impact of Plyometric Training Methods on Athletic Performance and Detraining Processes in Youth Female Soccer Players

10 luglio 2026 aggiornato da: Fatih GUR, Pamukkale University
Lower extremity strength, explosive power, dynamic balance, and functional range of motion are critical determinants of athletic performance and injury prevention in soccer (football). While plyometric training is widely used to improve these qualities, the comparative effects of bodyweight plyometric training versus externally loaded plyometric training, and the maintenance of these effects during detraining periods, remain unclear. This study aims to investigate the effects of two different plyometric training methods on athletic performance and subsequent detraining processes in young female soccer players. Participants will be randomly assigned to three groups: Bodyweight Plyometric Training Group (BW-PT), External Loading Plyometric Training Group (EL-PT, who will wear vests weighing 10% of their body weight), and Control Group (CG, who will only continue with routine soccer training). Training interventions will be conducted for 6 weeks, immediately followed by a 4-week detraining period. To comprehensively assess athletic performance, the following measurements will be taken at baseline (pre-test), immediately after the training period (post-test), and after the detraining period (maintenance test): Isokinetic muscle strength of knee extensors and flexors (peak torque and force development rate at 60°/s and 120°/s), Jumping performance (standing long jump, vertical jump height, and 15-second repeated jump test), Functional range of motion (via Functional Movement Screen - FMS), Dynamic balance (via Y-Balance Test). The primary objective is to determine which plyometric loading strategy, compared to traditional soccer training, provides superior and longer-lasting physiological and biomechanical adaptations in young female athletes.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

36

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

  • Turchia (Türkiye)
    • Denizli
      • Denizli, Denizli, Turchia (Türkiye), 20160
        • Pamukkale University, Faculty of Sport Sciences
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Bambino
  • Adulto

Accetta volontari sani

Sì

Descrizione

Inclusion Criteria:

  • No history of surgery due to musculoskeletal injuries within the past 6 months.
  • No use of ergogenic supplements within the past 3 months.
  • Regular participation in routine team training sessions for at least 2 months prior to the study.

Exclusion Criteria:

  • History of any recent injury requiring a recovery period of more than one week.
  • Use of ergogenic aids or nutritional supplements during the intervention period.
  • Missing two consecutive or four non-consecutive training sessions during the study period.
  • Participation in additional structured physical training or exercises outside of the routine team practices and the study protocol.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Scienza basilare
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Body-Weight Plyometric Training Group
Participants in this group will perform plyometric training using only their own body weight.
Altro: Body-Weight Plyometrics
A structured plyometric training program performed twice a week for six weeks. Exercises include various jumps and bounds using only the participant's body weight. Each session lasts approximately 30 minutes.
Sperimentale: Plyometric Training Group With Additional Load
Participants in this group will perform plyometric training while wearing a weighted vest equal to 10% of their body weight.
Altro: Additional Loaded Plyometric
A structured plyometric training program performed twice a week for six weeks. Participants will wear a weighted vest equivalent to 10% of their body weight during the exercises. Each session lasts approximately 30 minutes.
Comparatore attivo: Control Group
Participants in this group will continue their routine football training without any additional plyometric exercises.
Altro: Routine Football Training
Participants in this group will continue to perform their standard, routine football training sessions. They will not receive any additional or structured plyometric training program during the intervention period.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Absolute Peak Torque (APT) of Knee Extensors and Flexors
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Concentric isokinetic absolute peak torque (APT) of the knee extensors and flexors (dominant leg) will be evaluated at 60°/s and 120°/s angular velocities using a Cybex Humac Norm dynamometer during 5 maximal repetitions. (Unit of measure: Nm)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Relative Peak Torque (RPT) of Knee Extensors and Flexors
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Concentric isokinetic relative peak torque (RPT) of the knee extensors and flexors (dominant leg) will be evaluated at 60°/s and 120°/s angular velocities using a Cybex Humac Norm dynamometer during 5 maximal repetitions. (Unit of measure: Nm/kg)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Time to Peak Torque (TPT) of Knee Extensors and Flexors
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Concentric isokinetic time to peak torque (TPT) of the knee extensors and flexors (dominant leg) will be evaluated at 60°/s and 120°/s angular velocities using a Cybex Humac Norm dynamometer during 5 maximal repetitions. (Unit of measure: milliseconds)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Average Peak Torque (AvPT) of Knee Extensors and Flexors
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Concentric isokinetic average peak torque (AvPT) of the knee extensors and flexors (dominant leg) will be evaluated at 60°/s and 120°/s angular velocities using a Cybex Humac Norm dynamometer during 5 maximal repetitions. (Unit of measure: Nm)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Average Rate of Force Development (AvRFD) of Knee Extensors and Flexors
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Concentric isokinetic average rate of force development (AvRFD) of the knee extensors and flexors (dominant leg) will be evaluated at 60°/s and 120°/s angular velocities using a Cybex Humac Norm dynamometer during 5 maximal repetitions. (Unit of measure: Nm/s)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Vertical Jump Height (VJH)
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Vertical jump height calculated from flight time will be evaluated using an electronic contact mat system (Fusion SmartJump, Fusion Sport, Australia). Participants will perform a countermovement jump without arm swing. The best value from 3 repetitions, separated by 1-minute rest intervals, will be recorded. (Unit of measure: cm)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Standing Long Jump (SLJ) Distance
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Horizontal jump distance will be assessed. Participants will perform a maximum distance jump with two feet from behind a starting line. The best value from 3 repetitions will be recorded. (Unit of measure: cm)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
15-Second Repeated Jump Test: Average Power (RJ15s-AP)
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Average power (RJ15s-AP) will be evaluated during 15 seconds of continuous maximal vertical jumps using an electronic contact mat system (Fusion SmartJump, Fusion Sport, Australia). Participants will jump with hands on hips and an upright trunk. The value is calculated using the Bosco equation. (Unit of Measure: W)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
15-Second Repeated Jump Test: Flight Time (RJ15s-FT)
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Flight time (RJ15s-FT) will be evaluated during 15 seconds of continuous maximal vertical jumps using an electronic contact mat system (Fusion SmartJump, Fusion Sport, Australia). Participants will jump with hands on hips and an upright trunk. The value is calculated using the Bosco equation. (Unit of Measure: ms)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
15-Second Repeated Jump Test: Number of Jumps (N-RJ15s)
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
The number of jumps (N-RJ15s) will be evaluated during 15 seconds of continuous maximal vertical jumps using an electronic contact mat system (Fusion SmartJump, Fusion Sport, Australia). Participants will jump with hands on hips and an upright trunk. (Unit of Measure: Count)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Functional Movement Capacity
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Functional movement capacity and potential asymmetries will be evaluated using the Functional Movement Screen (FMS) kit, which consists of 7 movement patterns scored from 0 to 3 (max total score: 21). (Unit of measure: Score on a scale from 0 to 21)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Dynamic Balance and Neuromuscular Control
Lasso di tempo: Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).
Dynamic balance will be measured using the Y-Balance Test kit. Reach distances in three directions will be normalized to the participant's leg length to assess lower extremity neuromuscular control and asymmetry. (Unit of measure: Percentage)
Baseline (Week 0), immediately post-training (Week 6), and after the detraining period (2nd and 4th week).

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Pamukkale University

Investigatori

  • Investigatore principale: GUR, Pamukkale University

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

20 luglio 2026

Completamento primario (Stimato)

19 ottobre 2026

Completamento dello studio (Stimato)

19 ottobre 2026

Date di iscrizione allo studio

Primo inviato

2 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

10 luglio 2026

Primo Inserito (Effettivo)

15 luglio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

15 luglio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

10 luglio 2026

Ultimo verificato

1 luglio 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Altri numeri di identificazione dello studio

  • E-60116787-020-811428
  • 2026TAP009 (Altro numero di sovvenzione/finanziamento: Pamukkale University Scientific Research Projects Coordination Unit)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Descrizione del piano IPD

Individual participant data (IPD) will not be shared. The informed consent obtained from the participants does not include provisions for public data sharing. Furthermore, preserving the privacy and complete anonymization of the participants in this small, cohort-specific sports science study is a priority, which restricts the feasibility of sharing individual-level data.

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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