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Harper, R.

Lafferty, M.

Sodhi, V.

Torre, A.

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Measuring the Effects of Pre-workout Supplementation on Resting Metabolic Rate.    Harper, R, Sodhi V., Torre A., Lafferty M., Delaware Technical Community College, Wilmington DE.  rharper4@dtcc.edu, vsodhi@dtcc.edu, tonit@freestyles.org, laffery@dtcc.edu   Purpose: Supplementation prior to exercise is claimed to increase strength, energy, and focus. This pilot study was conducted to look for and measure a change in resting metabolic rate [RMR] upon taking a common pre-workout supplement. Methods: RMR was measured using a Cosmed Quark PFT Ergo. Subjects were tested in the morning following an 8 hour fast. The subjects were then given supplementation and re-tested 20 minutes after ingestion. Results: Test subject 1 displayed a very consistent increase in RMR following supplementation averaging +10.50% from baseline. Other subject’s results ranged from negligible increases to +7.32% RMR from baseline.  Sex/Age Test1RMR Test2RMR Change %Change  Test1 HR Test2 HR Subject 1 Male/22        13-Jun  2764 2994 230 8.32  70 109 19-Jun  1919 2149 230 11.99  61 61 3-Jul  2289 2545 256 11.18  63 70 (Chart 1: initial and post supplementation results on each day for subject 1.)  Conclusions: Ingestion of a pre-workout stimulant can increase RMR. The effectiveness of the stimulant can vary day to day and person to person. Average overall increase in RMR following supplementation was +6% from baseline. Increases in RMR can be partly attributed to caffeine's affect on increasing blood plasma epinephrine which promotes glycogenolysis and lipolysis. Increases in these processes result in an increase in ATP production and utilization, as measured by CO2 production.    Funding for this project was provided by NIH NCRR INBRE, grant to Delaware 2P20RR016472. 

Measuring the Effects of Pre-workout Supplementation on Resting Metabolic Rate

http://digitalcommons.wku.edu/cgi/viewcontent.cgi?article=1700&context=ijesab

Measuring the Effects of Pre-workout Supplementation on Resting Metabolic Rate

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