Status:
RECRUITING
Effects of Single Sodium Bicarbonate Supplementation on National-Level Finswimming Performance
Lead Sponsor:
Palacky University
Conditions:
Sport Performance
Acid Base Imbalance
Eligibility:
All Genders
15-30 years
Phase:
NA
Brief Summary
This randomized, double-blind, placebo-controlled crossover trial will investigate the acute effects of sodium bicarbonate supplementation on performance, stroke biomechanics, and selected physiologic...
Detailed Description
This randomized, double-blind, placebo-controlled, crossover study will examine the effects of sodium bicarbonate (NaHCO₃) supplementation on simulated finswimming performance and associated biomechan...
Eligibility Criteria
Inclusion
- Member of a wider national selection in finswimming (junior or senior level)
- Regular participation in competitive finswimming training (≥4 sessions per week)
- Age between 15 and 30 years
- Absence of chronic illness or injury
- No use of medications or dietary supplements during the study period
- Signed informed consent (for minors, also signed by a legal guardian)
Exclusion
- History of gastrointestinal disorders affecting supplement tolerance
- Presence of cardiovascular, metabolic, or musculoskeletal disorders
- Current illness or acute infection
- Regular use of substances that may interfere with acid-base balance
- Refusal to comply with pre-test restrictions (e.g., 48 hours without training)
Key Trial Info
Start Date :
July 1 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 20 2026
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT07135934
Start Date
July 1 2025
End Date
December 20 2026
Last Update
August 22 2025
Active Locations (1)
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1
Palacký University, Faculty of Physical Culture
Olomouc, Olomoucký kraj, Czechia, 77900