Abstract

The purpose of this study was to investigate the effects of a pre-workout commercial energy drink on parameters of exercise performance, including anaerobic power, muscular endurance, speed, and reaction time. This study used a randomized, double blind, placebo controlled, parallel design. Participants visited the laboratory on two different occasions. On the first visit, participants were assessed for anaerobic power (via a vertical jump test), muscular endurance, reaction time, reactive sprint test, and aerobic power (via a 1.5 mile run). On the second visit, participants were randomly assigned to ingest four ounces of the energy drink beverage or a similar-tasting placebo beverage 30-minutes prior to engaging in these same physical performance tests. The energy drink treatment had no effect on anaerobic power (vertical jump), reaction time, reactive sprint test, or aerobic power. For the push-up to fatigue test, a significant difference (p = 0.014) was observed with the energy drink treatment enhancing performance by 12% as compared to the placebo treatment (improvement of ~ 4%). For the sit-up to fatigue test, a non-significant difference (p = 0.075) was observed with the energy drink treatment resulting in an enhancement of performance by ~13% as compared to no improvement for the placebo treatment. In light of these findings, individuals whose upper-body muscular endurance performance is part of their physical fitness assessment program may benefit from pre-workout energy drink consumption. In contrast, individuals needing to demonstrate anaerobic/aerobic power, or reactive abilities should not expect an improvement in performance from pre-workout energy drink consumption.

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References

  1. B. Campbell, C. Wilborn, P. La Bounty, L. Taylor, M. T Nelson, M. Greenwood, T.N. Ziegenfuss, H.L. Lopez, J.R. Hoffman, J.R. Stout, S. Schmitz, R. Collins, D.S. Kalman, J. Antonio, R.B. Kreider, International Society of Sports Nutrition position stand: energy drinks, Journal of the International Society of Sports Nutrition, 10 (2013) 1.
  2. K. Froiland, W. Koszewski, J. Hingst, L. Kopecky, Nutritional supplement use among college athletes and their sources of information, International Journal of Sport Nutrition and Exercise Metabolism, 14 (2004) 104-120.
  3. J.R. Hoffman, A.D. Faigenbaum, N.A. Ratamess, R. Ross, J. Kang, G. Tenenbaum, Nutritional supplementation and anabolic steroid use in adolescents, Medicine & Science in Sports & Exercise, 40 (2008) 15–24.
  4. A. Petróczi, D.P. Naughton, G. Pearce, R. Bailey, A. Bloodworth, M. McNamee, Nutritional supplement use by elite young UK athletes: fallacies of advice regarding efficacy, Journal of the International Society of Sports Nutrition, 5 (2008) 22.
  5. B. Desbrow, and Leveritt, Awareness and use of M. caffeine by athletes competing at the 2005 Ironman Triathlon World Championships, International Journal of Sport Nutrition and Exercise Metabolism, 16(5) (2006)545-558.
  6. E.R. Goldstein, T. Ziegenfuss, D. Kalman, R. Kreider, B. Campbell, C. Wilborn, L. Taylor, D. Willoughby, J. Stout, B.S. Graves, R. Wildman, J.L. Ivy, M. Spano, A.E. Smith, J. Antonio, International society of sports nutrition position stand: caffeine and performance, Journal of the International Society of Sports Nutrition, 7(5) (2010).
  7. A.L. Walsh, A.M. Gonzalez, N.A. Ratamess, J. Kang, J.R. Hoffman, Improved time to exhaustion following ingestion of the energy drink Amino Impact, Journal of the International Society of Sports Nutrition, 7(14) (2010).
  8. J.L. Ivy, L. Kammer, Z. Ding, B. Wang, J.R. Bernard, Y.H. Liao, J. Hwang, Improved cycling time-trial performance after ingestion of a caffeine energy drink, International Journal of Sport Nutrition and Exercise Metabolism, 19(1) (2009) 61–78.
  9. A.M. Gonzalez, A.L. Walsh, N.A. Ratamess, J. Kang, J.R. Hoffman, Effect of a pre workout energy supplement on acute multi-joint resistance exercise, Journal of Sports Science and Medicine, 10 (2011)261–266.
  10. S.C. Forbes, D.G. Candow, J.P. Little, C. Magnus, P.D. Chilibeck, Effect of Red Bull energy drink on repeated Wingate cycle performance and bench-press muscle endurance, International Journal of Sport Nutrition and Exercise Metabolism, 17 (2007) 433–444.
  11. J.R. Hoffman, J. Kang, N.A. Ratamess, M.W. Hoffman, C. P. Tranchina, A. D. Faigenbaum, Examination of a pre-exercise, high energy supplement on exercise performance, Journal of the International Society of Sports Nutrition, 6 (2009) 2.
  12. D.G. Candow, A.K. Kleisinger, S. Grenier, K.D. Dorsch, Effect of sugar-free Red Bull energy drink on high-intensity run time-toexhaustion in young adults, Journal of Strength and Conditioning Research, 23 (2009) 1271– 1275.
  13. T.A. Astorino, A.J. Matera, J. Basinger, M. Evans, T. Schurman, R. Marquez, Effects of red bull energy drink on repeated sprint performance in women athletes, Amino Acids, 42 (2012) 1803-1808.
  14. R. Hoffman, T.R. Collingwood (1995) Fit for Duty: The Peace Officer?s Guide to Total Fitness, Champaign, IL: Human Kinetics.
  15. B.G. Tabachnick, L.S. Fidell (1996) Using Multivariate Statistics, (3rd Ed) New York, NY: HarperCollins College Publishers.
  16. W.J. Vincent, J.P. Weir (2012) Statistics in Kinesiology, (4th Ed.) Champaign, IL: Human Kinetics.
  17. K. Woolf, W.K. Bidwell, and A.G. Carlson, The effect of caffeine as an ergogenic aid in anaerobic exercise, International Journal of Sport Nutrition and Exercise Metabolism, 18 (2008) 412-29.
  18. K.J. Cureton, G.L. Warren, M.L. Millard-Stafford, J.E. Wingo, J. Trilk, M. Buyckx, Caffeinated sports drink: ergogenic effects and possible mechanisms, International Journal of Sport Nutrition and Exercise Metabolism, 17 (2007) 35-55.
  19. C. Alford, H. Cox, and R. Wescott, The effects of red bull energy drink on human performance and mood, Amino Acids, 21 (2001) 139-50.
  20. J.D. Coso, J.J. Salinero, C.González-Millán, J. Abián-Vicén, B. Pérez-González, Dose response effects of a caffeine- containing energy drink on muscle performance: a repeated measures design, Journal of the International Society of Sports Nutrition, 9 (2012) 21.