Volleyball Players' jump power may get a delayed boost from isometric exercise
NCT ID NCT07483931
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a brief, intense isometric exercise could improve jump performance in highly trained male volleyball players several hours later. Fourteen players did either the isometric exercise or a standard warm-up, and their jump height was measured before, 6 hours after, and 30 hours after. The goal was to see if the isometric activity caused a delayed performance boost, which could help athletes plan training and competition warm-ups.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Isometric Conditioning Activity (ICA)
- What this could lead to
- If successful, this could help coaches and athletes design better warm-up routines to improve explosive performance hours before competition.
- What could go wrong
- This is a small, early-stage study with only 14 participants. Results may not apply to other sports or athletes, and the effect may be minimal or not reproducible.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Academy of Physical Education in Katowice
Katowice, Silesian Voivodeship, 40-065, Poland
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