Cluster-Set vs. Traditional-Set Plyometric Loading in Tennis Players (NCT07640724) | Clinical Trial Compass
CompletedNot Applicable
Cluster-Set vs. Traditional-Set Plyometric Loading in Tennis Players
Turkey (Türkiye)28 participantsStarted 2025-03-15
Plain-language summary
The present study aimed to compare the acute effects of cluster-set (CS) and traditional-set (TS) plyometric loading protocols on countermovement jump (CMJ) performance and reactive strength index (RSI-mod) in young tennis players.
Twenty-eight male tennis players (age: 16.7 ± 1.3 years) were randomly assigned to either a CS or TS group. Following a familiarization session, participants completed an experimental session including pre-tests (CMJ and drop jump), a plyometric loading protocol (CS: 3 × \[5 × 2 repetitions, 15 s intra-set rest, 2 min between sets\]; TS: 3 × 10 repetitions, 3 min between sets), and post-tests at 15 s, 3 min, and 6 min. CMJ height and RSI-mod were assessed using the My Jump 2 application. Borg Scale, Total Quality Recovery (TQR) were apply after post-tests at 15 s, 3 min, and 6 min.
Who can participate
Age range
13 Years – 17 Years
Sex
MALE
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Engaged in tennis training for ≥2 years, with a frequency of ≥3 sessions/week and participation in ≥4 tournaments annually.
* Had ≥6 months of experience with resistance and plyometric training.
* No history of lower extremity muscle or joint injuries within the last three months.
* No regular use of drugs or stimulants for at least six months prior to the study.
Exclusion Criteria:
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Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Vertical Jump
Timeframe: From enrollment to the end of treatment at 15 days
2
Vertical Jump
Timeframe: From enrollment to the end of treatment at 15 days
3
Reactive Strength Index (RSI-mod)
Timeframe: From enrollment to the end of treatment at 15 days