Date of Award

Fall 1995

Document Type

Thesis

Degree Name

Master of Science in Education (MSEd)

Department

Human Movement Sciences

Program/Concentration

Exercise Science and Wellness

Committee Director

Melvin H. Williams

Committee Member

Elizabeth Dowling

Committee Member

Brian C. Leutholtz

Committee Member

Diego R. Redondo

Call Number for Print

Special Collections LD4331.E44 B87

Abstract

Oral creatine monohydrate supplementation has been suggested to be an effective nutritional supplement to increase body mass. Sixteen male college baseball players, participating in an off-season, high-intensity strength training program, underwent body composition tests via hydrostatic weighing, skinfolds, and bioelectrical impedance analysis once-a-week for a total of 5 weeks (Trials). After a baseline trial (Trial 1), in a double-blind, placebo, between-subjects design, 8 subjects orally ingested 30 grams (a loading dose) of creatine monohydrate daily for 7 days (Trial 2) and 10 grams (a maintenance dose) of creatine monohydrate daily for 21 days (Trials 2, 3, 4, and 5). Body mass, percent body fat, and lean body mass (LBM) were analyzed using a 2 (Groups) X 5 (Trials) factorial repeated measures ANOVA. A follow-up test for simple main effects was performed when applicable to identify specific differences. For the creatine group, results revealed significant (p < 0.05) increases in body mass in Trials 2, 3, 4, and 5 as compared to Trial 1. Using hydrostatic weighing and bioelectrical impedance analysis, creatine monohydrate supplementation did not significantly (p > 0.05) affect percent body fat or LBM. However, by means of skinfolds, LBM did significantly {p < 0.05) increase in Trials 2, 3, 4, and 5 as compared to Trial l. Therefore, results indicate that oral creatine monohydrate supplementation does increase body mass, but as evaluated by three different body composition measurement techniques does not consistently affect percent body fat or LBM.

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DOI

10.25777/53my-v783

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