Effects of Sodium Bicarbonate Supplementation In Incremental Exercise Test

Abstract

The anaerobic threshold has been used in the prescription of exercise intensities for training and sports clinical applications. The threshold is calculated by ventilatory and metabolic variables, especially the measurement of blood lactate at lower glycemic value. The search for improved physical performance and reduced fatigue through induced metabolic alkalosis has been studied with different supplementation strategies, the use of sodium bicarbonate. This study aimed to carry out incremental exercise tests with and without supplementation of sodium bicarbonate at a dose of 0.3 g/kg. Both tests were developed in electronic treadmill starting speed of 5 km/h, with an increase of 1 km/h every two minutes, ending the test in the exhaust. For each speed achieved were checked blood glucose, heart rate and evaluation of the Borg scale. The results indicate that supplementation bicarbonate slows the glucose threshold (speed of 11 km/h for 14 km/h) without altering the heart rate. Volunteers reported lower exhaust with supplementation. It is concluded that supplementation bicarbonate improves physical performance in incremental exercise test.