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NCT07482254
Acute Effects of Isometric Conditioning on Sprint, Jump and Change of Direction Performance in Youth Soccer Players
NA trial testing Isometric Conditioning Activity in Athletic Performance in 12 participants. Enrolling by invitation.
17 March 2026
Quick facts
| Lead sponsor | The Jerzy Kukuczka Academy of Physical Education in Katowice |
|---|---|
| Phase | NA |
| Status | ENROLLING BY INVITATION |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | crossover |
| Masking | none |
| Primary purpose | basic science |
| Enrollment | 12 |
| Start date | 10 March 2026 |
| Primary completion | 17 March 2026 |
| Estimated completion | 17 March 2026 |
| Sites | 1 location across Poland |
Drugs / interventions tested
- Isometric Conditioning Activity
- Control Condition
Conditions studied
- Athletic Performance — all drugs for Athletic Performance →
- Soccer — all drugs for Soccer →
- Isometric Strength Training — all drugs for Isometric Strength Training →
Sponsor
The Jerzy Kukuczka Academy of Physical Education in Katowice
Who can join
Adults 14 to 19, male only, with Athletic Performance or Soccer. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This study aims to examine the acute effects of an isometric conditioning activity on sprinting, jumping, and change-of-direction performance in elite youth soccer players. Twelve male soccer players aged 15-19 years from a professional academy will participate in a randomized crossover study. Each participant will complete two experimental sessions separated by one week. During each session, participants will perform a standardized warm-up followed by baseline performance tests including countermovement jumps, drop jumps, a 30-m sprint test, and a 505 change-of-direction test. After baseline testing, participants will complete one of two conditions in randomized order: (1) an isometric conditioning activity consisting of unilateral standing isometric calf raises, or (2) a control condition consisting of low-intensity treadmill walking. Performance tests will be repeated seven minutes after the intervention to assess acute changes in neuromuscular performance. Jump performance will be assessed using a dual force plate system sampling at 1000 Hz, and sprint performance will be measured using electronic timing gates. The study will be conducted on an indoor athletics runway located in a gymnasium. The results will help determine whether isometric conditioning activities can acutely enhance explosive performance in youth soccer players.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT07482254
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT07482254 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by The Jerzy Kukuczka Academy of Physical Education in Katowice
- Last refreshed: 19 March 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT07482254.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing