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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Palacký University, Faculty of Physical Culture

Olomouc, Olomoucký kraj, Czechia, 77900