The Effects of Pre-Exercise High Energy Drink on Exercise Performance in Physically Active Men and Women

Marko D. Stojanovic, Mirjana V. Stojanovic, Kristina Kanostrevac, Dragoljub Veljovic, Bojan Medjedovic, Sergej M. Ostojic

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DOI: 10.4236/ape.2011.11001                

Abstract

The effect of a pre-exercise energy sport drink on the exercise performance was examined in twenty recreationally active subjects. A randomized, double-blind, placebo-controlled research study design was conducted. Subjects underwent two testing session separated by 7 days, consisted of handgrip strength test, countermovement (CMJ) and vertical jump (VJ) as well as incremental test to exhaustion on motorized treadmill. Before the second trial, they were randomly provided either a placebo (PLA;maltodextrin) or the supplement (NP; commercially marketed as Ultimate Nox PumpTM,). Analysis of variance revealed no differences between supplement and placebo group in strength, CMJ, VJ and maximal oxygen uptake (VO2max) (p > 0.05). Significant difference between groups over time was observed in maximal heart rate, heart rate recovery and time to exhaustion (p < 0.05). The present study indicate that a high energy drink consumed 40 minutes before exercise can enhance exercise performance by increasing the total time to fatigue during incremental testing.

Keywords

Caffeine, Endurance, Heart Rate, Ergogenic Aid

Conflicts of Interest

The authors declare no conflicts of interest.

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