Yo-Yo With Ball and Small-Sided Games Intervention (NCT07408284) | Clinical Trial Compass
CompletedNot Applicable
Yo-Yo With Ball and Small-Sided Games Intervention
Macau42 participantsStarted 2025-09-01
Plain-language summary
This study aims to investigate the differential effects of three training protocols: traditional Yo-Yo intermittent training, ball-dribbled Yo-Yo intermittent training, and small-sided games (SSGs) on aerobic capacity, anaerobic and exercise enjoyment in adolescent soccer players.
Who can participate
Age range
13 Years – 18 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:
* (1) Aged between 13 and 18 years. (2) At least 1 year of formal soccer training experience. (3) Free from major sports-related injury in the past year. (4) In good general health with no smoking or alcohol consumption habits. (5) No known psychological or psychiatric disorders that may affect participation.
(6) No participation in similar training interventions within the past 12 months.
(7) Able to attend scheduled training sessions.
Exclusion Criteria:
* (1)Outside the age range of 13-18 years. (2) Less than 1 year of formal soccer training experience. (3) History of major sports-related injury limiting training participation. (4) Presence of chronic disease or unhealthy habits (e.g., smoking or alcohol use).
(5) Known psychological or psychiatric disorders affecting study compliance. (6) Participation in similar training interventions within the previous 12 months.
(7) Attendance of fewer than 75% of the 12 planned training sessions.
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.
1This trial compared Yo-Yo ball training with small-sided soccer games and already has completed data — can you help me understand what those results might mean for my own fitness or rehabilitation goals?
2Since this study measured both aerobic capacity using the Yo-Yo Intermittent Recovery test and anaerobic power, how do those two fitness components relate to my current health situation, and which should I be prioritizing?
3The trial also tracked physical activity enjoyment as a primary outcome — how important is that factor when designing an exercise program for someone in my situation, and should it influence the type of training I pursue?
4Because this trial is labeled Phase NA and appears to be an exercise science study rather than a medical treatment trial, how does it differ from a standard clinical treatment study, and is there a more directly medical intervention I should be considering alongside or instead of this kind of training approach?
5Could the training methods studied here — structured ball drills versus small-sided games — be safely incorporated into my current care plan, and are there any physical conditions I have that might make one approach more appropriate than the other?
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
Yo-Yo Intermittent Recovery 1 test distance
Timeframe: Baseline and end of intervention at 4 weeks
2
Anaerobic power
Timeframe: baseline and end of intervention at 4 weeks
3
Physical activity enjoyment
Timeframe: every Saturday acute after training during 4-week intervention