CONSUMPTION OF LOW-FAT MILK BEFORE MUAYTHAI EXERCISE DID NOT AFFECT GUT COMFORT AND COUNTERMOVEMENT JUMP
DOI:
https://doi.org/10.14456/jsst.2021.2Keywords:
Milk, Gut comfort, Palatability, Pre-exercise, MuayThaiAbstract
Introduction: Previous studies have mainly examined the benefits of milk consumption during or as a recovery drink. However, there is minimal research examining the effects of milk intake before an exercise session. The aim of this study was to examine the effects of low-fat (LF) milk consumption before a MuayThai exercise on gut comfort and countermovement jump (CMJ). Twenty active Thai males (mean ± SD; age 21.5 ± 3.5 years; BMI 22.9 ± 1.6 kg/m2; V̇O2max 45.4 ± 6.6 mL/kg/min) completed 3 trials (randomized cross-over design) in which they consumed 500 mL of either LF milk (~220 kcal), sports drink (~220 kcal), or water (0 kcal) 2 hours before undertaking a MuayThai exercise session (5 rounds of 3 minutes, with 2 minutes rest between each round). Gut comfort questionnaire was measured throughout the experiment and palatability questionnaire was measured immediately after the consumption of a drink intervention. CMJs were measured as an index for explosive strength of the lower extremity muscles by comparison between before as baseline data and after the simulation of MuayThai exercise. Results: There were no significant differences in gut comfort between drinks at any time point. Sports drink scored the highest in terms of palatability, while there were no differences between LF milk and water. There were no changes in pre- to post-exercise CMJ in any of the drink conditions. Conclusions: Consumption of moderate amount of LF milk 2 hours before a MuayThai exercise did not affect gut comfort and CMJ performance.
(Journal of Sports Science and Technology 2021; 21(1):21-33)
(Received: 16 March 2021, Revised: 18 May 2021, Accepted: 19 May 2021)
Keywords: Milk/ Gut comfort/ Palatability/ Pre-exercise/ MuayThai
*Corresponding author: Alisa NANA, PhD
College of Sports Science and Technology, Mahidol University, Salaya campus, 999 Phuttamonton Sai 4 Rd, Salaya, Nakhon Pathom, Thailand, 73170
Tel: +66 83 132 0007; Fax: +66 2 889 3693; E-mail: alisa.nan@mahidol.ac.th
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