Effects of Sodium Bicarbonate Ingestion on Recovery in High-Level Judokas

Goran Danković, Nemanja Stanković, Nikola Milošević, Vladimir Živković, Luca Russo, Gian Mario Migliaccio, Alin Larion, Nebojša Trajković and Johnny Padulo ()
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Goran Danković: Faculty of Medical Science, University of Kragujevac, 34000 Kragujevac, Serbia
Nemanja Stanković: Faculty of Sport and Physical Education, University of Nis, 18000 Nis, Serbia
Nikola Milošević: Faculty of Sport and Physical Education, University of Nis, 18000 Nis, Serbia
Vladimir Živković: Faculty of Medical Science, University of Kragujevac, 34000 Kragujevac, Serbia
Luca Russo: Department of Human Sciences, Università Telematica Degli Studi IUL, 50122 Florence, Italy
Gian Mario Migliaccio: Sport Science Academy, 09131 Cagliari, Italy
Alin Larion: Faculty of Physical Education, Ovidius University of Constanta, 900029 Constanta, Romania
Nebojša Trajković: Faculty of Sport and Physical Education, University of Nis, 18000 Nis, Serbia
Johnny Padulo: Department of Biomedical Sciences for Health, University of Milan, 20100 Milan, Italy

IJERPH, 2022, vol. 19, issue 20, 1-9

Abstract: Background: The aim of this study was to examine the sodium bicarbonate (NaHCO3) effect on recovery in high-level judokas. Methods: The sample of participants consisted of 10 male judokas (Age = 20 ± 2.1 years) who are judo masters (black belt holders) with a minimum of 10 years of training and competition experience. The study was designed as a double-blinded crossover design with the order of treatments being randomly assigned. The washout period was 72 h. All subjects received a dose of sodium bicarbonate (0.3 g/kg body weight) or a placebo 120 min before the fatigue caused by the special judo fitness test (SJFT). Lactate concentration (LC), countermovement jump (CMJ), hand grip strength and degree of perceived fatigue on Borg’s scale (RPE) were tested two times before SJFT and four times after SJFT. Results: There was no interaction between groups and type of recovery at any time during the two types of recovery for RPE, grip strength, VJ and lactate concentration ( p > 0.05). However, there was a main effect of time for dominant grip strength (F (1,8) = 3.3; p = 0.01; η 2 = 0.25, (small)), non-dominant grip strength (F (1,8) = 3.2; p = 0.01; η 2 = 0.24, (small)), CMJ (F (1,8) = 8.8; p = 0.01; η 2 = 0.47, (small)), and LC (F (1,8) = 124.2; p = 0.001; η 2 = 0.92, (moderate)). Conclusions: The results of the present study show no significant difference between the NaHCO3 and placebo groups in RPE, handgrip strength, CMJ, and lactate concentration.

Keywords: supplementation; placebo; performance; judokas (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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