Kinesiology Commons^™

No “Jitters” But No Energy From A Commercially Available Energy Drink., Jose Antonio, Jason M. Curtis

Journal for Sports Neuroscience

Abstract

Introduction: The purpose of this study was to determine the effects of an energy drink (JOCKO GO) on mood, sustained attention/reaction time, and hand steadiness.

Methods: A total of 29 active men (n = 9) and women (n=20) (mean ± SD: age 22 ± 5 yr.; height 168±8 cm; body mass 68.2 ± 12.8 kg; lean body mass 51.9 ± 15.0 kg; fat mass 15.4 ± 6.8 kg; percent body fat 22.6 ± 8.9%; total body water 38.6 ± 8.6 liters) completed this randomized, crossover, counterbalanced trial. Each subject consumed either one can (355 ml) of the energy …

The Effects Of A Multi-Ingredient Supplement On Various Cognitive Measures, Jason M. Curtis, Cassandra Evans, Veronica Mekhail, Paulina Czartoryski, Juan Carlos Santana, Jose Antonio

Journal for Sports Neuroscience

The purpose of this study was to investigate the effects of a multi-ingredient pre-workout supplement (MIPS) on mental and physical performance. Seventeen exercise-trained men (n = 7) and women (n=10) completed this randomized, placebo-controlled, double-blind, counterbalanced, crossover trial. Participants consumed either a multi-ingredient pre-workout supplement (MIPS) or a placebo in a randomized, counterbalanced order. Forty-five minutes post-consumption, the following assessments were conducted: psychomotor vigilance test (PVT), Profile of Mood States (POMS), Stroop test, vertical jump test, and a Cold pressor test. There was a one-week washout period between assessments. There were significant differences in the incongruent task for the Stroop …

Effects Of Caffeine On Agility Tests On One Women's Collegiate Volleyball Team, Sarah Monnier, Erika Smith-Goodwin, Eric Dick

Journal of Sports Medicine and Allied Health Sciences: Official Journal of the Ohio Athletic Trainers Association

OBJECTIVE
The purpose of this study was to investigate the effects of caffeine on agility tests (3-step approach,2-hand vertical leap,5-10-5 drill) on a women’s collegiate volleyball team at one Division III institution.

MAIN OUTCOME MEASUREMENT
Vertical jump measuring device measured 3-step approach and 2-hand vertical leap measurements. A stopwatch measured the 5-10-5 drill.

Current State Of Sleep-Related Performance Optimization Interventions For The E-Sports Industry, Allison Joy Brager, Guido Simonelli

Journal for Sports Neuroscience

Abstract: The e-sports industry is rapidly expanding but despite industry growth, there are existing gaps in knowledge regarding holistic and pharmacological performance enhancement strategies. The current commentary focuses on the current state of performance intervention strategies that target sleep/wake and circadian timing systems. These performance intervention strategies are based on the current state of sleep/wake health and research portfolios of Army research laboratories. The intent is to provide a foundation for future research efforts directly targeting sleep/wake and circadian timing systems in order to optimize and enhance e-sports performance at both the individual and group levels.

Acute Effects Of A Multi-Ingredient Pre-Workout Supplement On 5-Km Running Performance In Recreationally-Trained Athletes, Daniel J. Lutsch, Clayton L. Camic, Andrew R. Jagim, Nora J. Johnston, Taylor L. Musgjerd

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 1045-1056, 2019. The purpose of the present study was to examine the effects of an acute dose of a multi-ingredient pre-workout supplement on 5-km running performance and subjective measures of fatigue. Twenty aerobically-trained, males (n= 10, mean ± SD = 80.8 ± 6.1 kg) and females (n= 10, 64.5 ± 6.6 kg) completed two 5-km running races for time in a double-blind, cross-over fashion. During the first session, subjects were randomly assigned to ingest the supplement or placebo 30 minutes prior to running a 5-km race. The supplement contained multiple …

Caffeine Alters Rpe-Based Intensity Production, Tyler Langford, Eric O'Neal, Eric M. Scudamore, Samantha Johnson, Caitlin Stevenson, Veronika Pribyslavska, Matt Green

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 412-424, 2019. This study examined effects of caffeine (CAF) on power output (PO) selection and associated physiological responses during cycling at moderate and high intensities prescribed by RPE (0-10 scale). Participants (n = 9) (VO2peak: 55.4 ± 6.32 mL · kg-1 · min-1) cycled for 20 min at RPE4 and 20 min at RPE7 separated by 10 min recovery following caffeine (CAF) (6 mg · kg-1) and placebo (PLA) ingestion. PO, HR, serum lactate [La], VO2, VE, and RER were recorded every 5 min. Session RPE (S-RPE) was recorded following 10 min recovery. Repeated-measures …

The Effects Of Pre-Workout Supplementation On Anaerobic Power And Maintenance Of Power In College Students, Christine T. Herbe, M. Travis Byrd, Taylor K. Dinyer, Brian J. Wallace, Haley C. Bergstrom

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 355-365, 2019. This study examined the effects of Assault™ pre-workout supplementation on peak power output (PP), mean power output (MP), and percent decline in power output (% decline) during repeated, Wingate anaerobic tests. Thirteen healthy, physically active participants (7 male, 6 female) completed the randomized, double-blind, placebo-controlled crossover design with two conditions, supplement and placebo. The participants visited the laboratory for a total of three visits, 2-7 days apart. During visit 1, the participants completed a 4-minute familiarization warm-up on the Monark cycle ergometer and performed one baseline, 30-second Wingate cycle ergometry test. During …

Acute Effects Of 24-H Sleep Deprivation On Salivary Cortisol And Testosterone Concentrations And Testosterone To Cortisol Ratio Following Supplementation With Caffeine Or Placebo, Ciaran K. Mc Donald, Joss Moore, Alan Mc Intyre, Kevin Carmody, Bernard Donne

International Journal of Exercise Science

International Journal of Exercise Science 10(1): 108-120, 2017. Caffeine has become a popular ergogenic aid amongst athletes and usage to improve athletic performance has been well documented. The effect of caffeine on anabolic and catabolic hormones in a sleep-deprived state has had little investigation to date. The purpose of the current study was to investigate the potential of caffeine to offset the effects, if any, of short-term sleep deprivation and exercise on an athlete’s testosterone and cortisol concentrations via salivary technique. Eleven competitive male athletes volunteered to be part of this prospective double-blinded study. Three test days were scheduled for …

Effects Of A Pre-Workout Energy Drink Supplement On Upper Body Muscular Endurance Performance, Mitchel A. Magrini, Ryan J. Colquhoun, J Jay Dawes, Doug B. Smith

International Journal of Exercise Science

International Journal of Exercise Science 9(5): 667-676, 2016. The use of pre-workout beverages is becoming an increasingly common method of improving performance during exercise in athletic and recreationally active populations. Therefore, the purpose of this study was to investigate the effects of a commercially available energy drink on exercise performance. Thirty-one healthy males (n=23) and females (n=8) participated in this study and were separated into two groups: supplement (SU; n=16) or placebo (PL; n=15). Subjects visited the laboratory on 2 occasions separated by no more than 7 days. The first visit consisted of completing a push up to fatigue protocol …

Effects Of A Caffeine-Containing Transdermal Energy Patch On Aerobic And Anaerobic Exercise Performance, Kenneth R. Dragoo, W. Matthew Silvers, Kelly E. Johnson, Eliseo A. Gonzalez

International Journal of Exercise Science

The use of caffeine-containing (74-mg) energy patches (EnP) offers a novel mode of caffeine delivery that may alleviate stomach discomfort associated with oral caffeine use. The purpose of this study was to use four separate tests to evaluate the effects of EnP use on aerobic and anaerobic exercise performance. Three separate moderately active college-aged sample populations performed either 1) cycle time-to-exhaustion, 2) Wingate (WIN), or 3) repeated sprints and one repetition maximum bench press using EnP and placebo patches (PlP). No statistical differences were found between EnP and PlP for all dependent variables (p > 0.05) except for WIN peak power, …

Effects Of Energy Drinks On Metabolism At Rest And During Submaximal Treadmill Exercise In College Age Males., Janae Nienhueser, Gregory A. Brown, Brandon S. Shaw, Ina Shaw

International Journal of Exercise Science

Energy drinks are widely available and popular among athletes and non-athletes. However, the effects of energy drinks on resting and exercise energy expenditure and metabolism remain largely unknown. On four separate occasions, baseline measurements of resting metabolic rate (RMR) and Respiratory Exchange Ratio (RER) were obtained in ten healthy males (21.4 ± 1.6 y, 77.60± 7.5 kg, 180.0 ± 7.1 cm). Then, in a randomly assigned cross-over design, the subjects consumed 473 ml of one of three commercially available energy drinks or a placebo and then RMR and RER were measured 1 hour later. The subjects then engaged in 15 …

Serum Il-6 Is Increased During Performance Cycling After Energy Drink Consumption, Jonathan Woodson, Melody Phillips, Jacob Ross, Kelyn Rola, Kenneth Christensen

International Journal of Exercise Science: Conference Proceedings

Energy Drinks (ED) have become popular preexercise supplements due to the stimulant effects of their ingredients such as caffeine. Other ingredients including carbohydrate (CHO), glucuronolactone and taurine may also contribute to performance enhancement. Purpose: The purpose of this study was to investigate the influence of energy drink consumption on cycling performance, substrate oxidation and immune-related variables. Methods: This study was a blinded, randomized, cross-over design with 3 experimental conditions. Eleven trained male cyclists (mean age 33.4±8.9 yr, body mass 81±7.6 kg, VO2max 51.72±3.4 ml*kg-1*min-1) consumed 3 different 500 ml beverages: 1) Energy Drink (ED1- 2.0g taurine, 1.2 g glucoronolactone, 160 …