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

2026年7月10日 更新者：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.

調査の概要

状態

まだ募集していません

条件

介入・治療

研究の種類

介入

入学 (推定)

36

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

  • トルコ（Türkiye）
    • Denizli
      • Denizli、Denizli、トルコ（Türkiye）、20160
        • Pamukkale University, Faculty of Sport Sciences
        • コンタクト：

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 子
  • 大人

健康ボランティアの受け入れ

はい

説明

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.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：基礎科学
  • 割り当て：ランダム化
  • 介入モデル：並列代入
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：Body-Weight Plyometric Training Group
Participants in this group will perform plyometric training using only their own body weight.
他の：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.
実験的：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.
他の：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.
アクティブコンパレータ：Control Group
Participants in this group will continue their routine football training without any additional plyometric exercises.
他の：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.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Absolute Peak Torque (APT) of Knee Extensors and Flexors
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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)
時間枠：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
時間枠：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)
時間枠：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)
時間枠：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)
時間枠：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).

二次結果の測定

結果測定
メジャーの説明
時間枠
Functional Movement Capacity
時間枠：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
時間枠：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).

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Pamukkale University

捜査官

  • 主任研究者：GUR、Pamukkale University

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年7月20日

一次修了 (推定)

2026年10月19日

研究の完了 (推定)

2026年10月19日

試験登録日

最初に提出

2026年7月2日

QC基準を満たした最初の提出物

2026年7月10日

最初の投稿 (実際)

2026年7月15日

学習記録の更新

投稿された最後の更新 (実際)

2026年7月15日

QC基準を満たした最後の更新が送信されました

2026年7月10日

最終確認日

2026年7月1日

詳しくは

本研究に関する用語

キーワード

その他の研究ID番号

  • E-60116787-020-811428
  • 2026TAP009 (その他の助成金/資金番号：Pamukkale University Scientific Research Projects Coordination Unit)

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

IPD プランの説明

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.

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米国FDA規制機器製品の研究

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