Effect of Alkaline Fluids to Blood pH and Lactic Acid Changes on Sub Maximal Physical Exercise

Abstract

Exercise was one of the physical stressors that can disrupt the acid-base balance in the body. One of the ways to prevented the fatigue due to physical activity caused by a buildup of lactate ions and H+ ion was used an alkaline pH 9. Consuming alkaline pH 9 was considered be able to neutralize the low pH conditions during physical activity. Purpose: to tested whether the used of alkaline pH 9 was able to inhibit the increasing of lactic acid, decreasing pH levels after sub maximal activity. Method: Pretest-posttest control group design used a random sample, which was totaling 15 samples of each group. Results: Were significant differences variable lactic acid values after it analyzed using different test (t-test), it was obtained p 0.000 <0.05. The variable the pH, it had significant difference with value p 0.000 <0.05 between the control group and the experimental group after the treatment with sub maximal physical activity. Conclusion: An alkaline fluid with pH 9 before sub maximal exercise inhibits the value of lactic acid and inhibits decreasing pH in the blood. The decreasing pH in was lower and the lactic acid level was higher when it compared with those not given lye.