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NCT07483931
Priming Magnitude and Retention in Highly Trained Male Volleyball Players
NA trial testing Isometric Conditioning Activity (ICA) in Athletic Performance in 14 participants. Completed in 17 January 2026.
17 January 2026
Quick facts
| Lead sponsor | The Jerzy Kukuczka Academy of Physical Education in Katowice |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | crossover |
| Masking | single |
| Primary purpose | basic science |
| Enrollment | 14 |
| Start date | 5 January 2026 |
| Primary completion | 17 January 2026 |
| Estimated completion | 17 January 2026 |
| Sites | 1 location across Poland |
Drugs / interventions tested
- Isometric Conditioning Activity (ICA)
- Volleyball-Specific Warm-Up (Control Condition)
Conditions studied
- Athletic Performance — all drugs for Athletic Performance →
Sponsor
The Jerzy Kukuczka Academy of Physical Education in Katowice
Who can join
Eligibility, male only, with Athletic Performance. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This study examined whether a short, high-intensity isometric exercise can influence physical performance and muscle characteristics several hours after it is performed. Specifically, the study compared the effects of a maximal isometric conditioning activity with a typical volleyball-specific warm-up routine. Highly trained male volleyball players participated in the study. Each participant completed two experimental conditions in a randomized crossover design: (1) a maximal isometric conditioning activity and (2) a volleyball-specific warm-up used as a control condition. The researchers evaluated changes in countermovement jump performance, muscle viscoelastic properties of the rectus femoris, and skin surface temperature over the quadriceps muscle. Measurements were taken before the intervention and again 6 hours and 30 hours later to determine whether the conditioning activity produced delayed improvements in neuromuscular performance. Understanding these delayed effects may help coaches and athletes optimize training and competition preparation strategies. The results of this study may provide insights into whether specific conditioning exercises can enhance or maintain explosive performance in volleyball players several hours after they are performed.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT07483931
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other The Jerzy Kukuczka Academy of Physical Education in Katowice trials
Trials by the same sponsor.
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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 NCT07483931 (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/NCT07483931.
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