Weighted vs Unweighted Plyometric Conditioning on Vertical Jump Performance in Young Male Soccer Players (PAPE-JUMP)
Differential Time-Course Effects of Weighted and Unweighted Plyometric Conditioning on Vertical Jump Performance in Young Male Soccer Players
Explosive lower-limb power is essential for soccer performance and contributes to jumping, sprinting, and rapid changes of direction. Plyometric exercises are commonly used during warm-up to improve neuromuscular readiness and may enhance subsequent athletic performance through post-activation performance enhancement (PAPE). However, it remains unclear whether adding external load during plyometric conditioning provides greater benefits than performing the same exercises without additional load.
The purpose of this study is to compare the acute effects of weighted and unweighted plyometric conditioning on vertical jump performance in young male soccer players. Participants complete two experimental sessions separated by 48 hours. In one session, they perform a standardized single-leg plyometric protocol without external load, and in the other session they perform the same protocol while wearing a weighted vest equivalent to 10% of their body mass. Vertical jump height is assessed before exercise and at several time points after the conditioning activity to examine the time course of performance changes.
The findings of this study are expected to improve understanding of the optimal use of weighted plyometric conditioning during warm-up and provide practical guidance for coaches and sports practitioners seeking to maximize explosive performance before training and competition.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Istanbul
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Istanbul, Istanbul, Tyrkiet (Türkiye), 34290
- Istanbul Gelisim University
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Healthy male soccer players aged 18 to 30 years.
- Actively participating in organized soccer training.
- Minimum of 2 years of structured plyometric training experience.
- Competing at the regional development league level.
- Free from lower-limb musculoskeletal injury during the previous 4 months.
- Able to perform maximal jumping tasks.
- Provided written informed consent prior to participation.
Exclusion Criteria:
- History of lower-extremity surgery within the previous year.
- Current lower-limb pain or discomfort during jumping activities.
- Neurological, cardiovascular, or orthopedic disorders affecting neuromuscular performance.
- Use of performance-enhancing substances.
- Failure to comply with study procedures or testing instructions.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Ikke-randomiseret
- Interventionel model: Crossover opgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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Eksperimentel: Weighted Plyometric Conditioning
Participants performed a standardized single-leg plyometric conditioning protocol while wearing a weighted vest equivalent to 10% of their body mass.
Vertical jump performance was assessed at baseline and at 15 seconds, 2 minutes, 4 minutes, and 8 minutes after the conditioning activity.
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Participants completed three sets of ten single-leg plyometric repetitions while wearing a weighted vest corresponding to 10% of their body mass.
Sessions were separated by 48 hours, and jump performance was measured before and after the conditioning protocol.
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Aktiv komparator: Unweighted Plyometric Conditioning
Participants performed the same standardized single-leg plyometric conditioning protocol without external load.
Vertical jump performance was assessed at baseline and at 15 seconds, 2 minutes, 4 minutes, and 8 minutes after the conditioning activity.
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Participants completed the identical single-leg plyometric conditioning protocol without external load.
Vertical jump performance was measured before and after the conditioning protocol using the same assessment schedule.
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Vertical Jump Height
Tidsramme: Baseline, 15 seconds, 2 minutes, 4 minutes, and 8 minutes after each intervention session
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Vertical jump height (cm) measured before the plyometric conditioning protocol (baseline) and at 15 seconds, 2 minutes, 4 minutes, and 8 minutes after weighted and unweighted plyometric conditioning.
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Baseline, 15 seconds, 2 minutes, 4 minutes, and 8 minutes after each intervention session
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Area Under the Curve (AUC) of Vertical Jump Performance
Tidsramme: Immediately after completion of each intervention session
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Cumulative vertical jump performance across the post-activation period.
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Immediately after completion of each intervention session
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Performance Slope
Tidsramme: Immediately after completion of each intervention session
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Rate of change in vertical jump height across the post-activation period.
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Immediately after completion of each intervention session
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Peak Vertical Jump Height
Tidsramme: 15 seconds to 8 minutes after each intervention session
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Highest vertical jump height achieved during the post-activation assessment period.
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15 seconds to 8 minutes after each intervention session
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Time to Peak Performance
Tidsramme: 15 seconds to 8 minutes after each intervention session
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Time required to reach the highest vertical jump performance following each conditioning protocol.
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15 seconds to 8 minutes after each intervention session
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Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- PAPE-PLYO-2025-01
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