Effects of topical sodium bicarbonate emulsion on exercise exhaustion and training effects following high-intensity interval training in high-level soccer players
Abstract
Background and Goal: High-level football players’ competitive performance and training efficacy are significantly impacted by sports weariness. Verifying the possible use of external sodium bicarbonate lotion in professional sports and investigating its effects on the training effect and sports fatigue of elite football players following high-intensity interval training (HIIT) are the goals of this study. Methods: 14 male football players competing at the national level were split into two groups, one experimental and one control, each consisting of seven participants. This study was conducted using a randomized double-blind controlled trial. Twenty min prior to training, the experimental group applied external sodium bicarbonate lotion, while the control group applied a placebo lotion. Group antagonistic training and a seven-day HIIT comprise the training regimen. Assess the effects of the intervention using a variety of multifaceted data, including exercise performance, training impact intensity (TRIMP), delayed onset muscle soreness (DOMS), subjective tiredness scale, perceived fatigue level (RPE), blood biochemical indicators, and heart rate monitoring. Result: Following a single HIIT training session, the experimental group’s blood lactate level was significantly lower than the control group’s (P < 0.05); however, no other indicators showed any significant changes. The experimental group’s TRIMP values were considerably greater than the control group’s during the seven-day training period, and their average DOMS and RPE values were significantly lower (P < 0.05). Maximum heart rate and anaerobic training effect were statistically significant (P < 0.05), and the experimental group outperformed the control group in terms of maximum EPOC, maximum heart rate, anaerobic training effect, and energy consumption. In conclusion, applying sodium bicarbonate lotion externally can improve athletes’ overall performance, increase training stimulus, and considerably lessen muscle soreness and exercise fatigue during high-intensity interval training.
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