International Journal of Food and Nutritional Science Int J Food Nutr Sci | Volume 5: Issue 1 134 Copyrights: © 2018 Zając, A. This is an Open access article distributed under the terms of Creative Commons Attri- bution 4.0 International License. Research Article Open Access Kurylas Anna, Zając Tomasz, Jakub Chycki, Maszczyk Adam, Zając Adam* Abstract Many researchers have unequivocally demonstrated that water of higher pH has a positive effect on the human body. In terms of undertaken research, the adjust- ment of acid-base balance during anaerobic effort, a decrease in the concentration of free radicals as well as the improvement of connective tissue condition is of primary importance. The aim of this study was to evaluate an infuence of high alkaline water consumption on anaerobic performance and acid-base balance in professional basket- ball players. There was evaluating changes in parameters of blood and urine in labora- tory tests (pH, pCO 2 , pO 2 , HCO 3 act, HCO 3 std, BE (ecf), BE(B), O 2 std, and ctCO 2 ). The group of fourteen adults male underwent in two experimental trials, before and af- ter six weeks hydration tested water. Statistical analysis of blood tests showed that after ingestion of alkaline water there was a signifcant increase of blood pH at rest and after anaerobic exercise. The same results were obtained in urine tests, respectively 1.30 in rest and 0.93 after physical examination. The results of the specifc anaerobic endur- ance test revealed a signifcant difference in performance between the tests performed after hydrating with highly alkaline water in comparison to table water. The average improvement of results equaled 0.71s. (p = 0.03). In conclusion the athletes hydrated with alkaline water showed a positive impact on acid-base balance with a signifcant increase of blood and urine pH. The daily intake of 2.5 - 3.0 l of highly alkalized water delay in muscular acidosis during anaerobic exercise, as well as prevention of dehydra- tion, and faster recovery. * Corresponding author: Zając Adam, The Jerzy Kukuczka Academy of Physical Education in Katowice, Department of Sports Training, Mikołowska 72A, 40-065 Katowice, Poland, E-mail: a.maszczyk@awf.katowice.pl Received Date: December 04, 2017 Accepted Date: January 17, 2018 Published Date: January 25, 2018 Introduction Basketball is a team sport that involves speed, accel- eration, changes of direction as well as numerous technical and tactical activities that require concentration and precision [1,2] . Actions are executed and repeated at high intensity, causing sig- nifcant disturbances in acid-base equilibrium and gradual fa- tigue. A basketball game played at the elite level can elicit up to 90% of maximal heart rate, while blood lactate concentrations can reach 6 - 7 m mol/l at half time and close to 8 - 10 m mol/l after the game [3,4] . In addition, new game rules initiated in 2000 such as the reduction of offensive possession time from 30 to 24 s and a limit of 8 s to cross the midcourt line signifcant- ly increased the pace of the game, and the physical demand on players. The physical ability to perform repeated sprints at high Anaerobic Performance and Acid-Base Balance in Basketball Players after the Consumption of Highly Alkaline Water The Jerzy Kukuczka Academy of Physical Education in Katowice, Department of Sports Training Mikołowska 72A, 40-065 Katowice, Poland DOI: 10.15436/2377-0619.18.1754 Citation: Zając, A., et al. Anaerobic Performance and Acid-Base Balance in Basketball Players after the Consump- tion of Highly Alkaline Water. (2018) Int J Food Nutr Sci 5(1): 134- 139. Zając, A., et al. intensity until the end of the game plays a central role in compe- tition and can determine the fnal outcome [5,6] . A crucial aspect of competitive sports includes the appropriate supply of fuids. The hydration status in professional athletes should be maintained at an optimal level, as both the lack and excess of fuid intake adversely affect exercise tolerance. The systematic maintenance of fuid balance is crucial in providing the appropriate volume of blood in vessels, and, consequently, an effcient transport of oxygen, nutrients, by-products of metabolism and heat. A fre- quent issue of competitive sports, including team sport games is the inadequate supply of water or other fuids. A dehydration of 1-2% may result in the lack of concentration, weakened cogni- tive functions, reduced effciency and lower exercise tolerance [7] .