Cited by 168Muscle metabolism and nutritionSports Performance and TrainingBiochemical effects in animals

Effects of oral creatine supplementation on muscular strength and body composition

BECQUE, M. DANIEL, LOCHMANN, JOHN D., MELROSE, DONALD R.·2000·Medicine & Science in Sports & Exercise

Abstract

PURPOSE: The purpose of this investigation was to examine the effects of 6 wk of oral creatine supplementation during a periodized program of arm flexor strength training on arm flexor IRM, upper arm muscle area, and body composition. METHODS: Twenty-three male volunteers with at least 1 yr of weight training experience were assigned in a double blind fashion to two groups (Cr, N = 10; Placebo, N = 13) with no significant mean pretest one repetition maximum (IRM) differences in arm flexor strength. Cr ingested 5 g of creatine monohydrate in a flavored, sucrose drink four times per day for 5 d. After 5 d, supplementation was reduced to 2 g x d(-1). Placebo ingested a flavored, sucrose drink. Both drinks were 500 mL and made with 32 g of sucrose. IRM strength of the arm flexors, body composition, and anthropometric upper arm muscle area (UAMA) were measured before and after a 6-wk resistance training program. Subjects trained twice per week with training loads that began at 6RM and progressed to 2RM. RESULTS: IRM for Cr increased (P < 0.01) from (mean +/- SD) 42.8 +/- 17.7 kg to 54.7 +/- 14.1 kg, while IRM for Placebo increased (P < 0.01) from 42.5 +/- 15.9 kg to 49.3 +/- 15.7 kg. At post-test IRM was significantly (P < 0.01) greater for Cr than for Placebo. Body mass for Cr increased (P < 0.01) from 86.7 +/- 14.7 kg to 88.7 +/- 13.8 kg. Fat-free mass for Cr increased (P < 0.01) from 71.2 +/- 10.0 kg to 72.8 +/- 10.1 kg. No changes in body mass or fat-free mass were found for Placebo. There were no changes in fat mass and percent body fat for either group. UAMA increased (P < 0.01) 7.9 cm2 for Cr and did not change for Placebo. CONCLUSION: Creatine supplementation during arm flexor strength training lead to greater increases in arm flexor muscular strength, upper arm muscle area, and fat-free mass than strength training alone.

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Crossref · 10.1097/00005768-200003000-00016

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Authors
BECQUE, M. D., LOCHMANN, J. D., & MELROSE, D. R.
Affiliations
Southern Illinois University Carbondale (US)
Venue
Medicine & Science in Sports & Exercise
Published
2000-03
Volume
32
Issue
3
Pages
654-658
ISSN
0195-9131 (ISSN-L)
OpenAlex
W2132056205
Cited by
168
References
29
Citations by year
2026: 2 · 2025: 5 · 2024: 8 · 2023: 6 · 2022: 4 · 2021: 4 · 2020: 3 · 2019: 7 · 2018: 4 · 2017: 8 · 2016: 6 · 2015: 7 · 2014: 12 · 2013: 6 · 2012: 3
FWCI
3.76
Type
journal article
Language
en
Open access
closed
Locations
  • Medicine & Science in Sports & Exercise (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Physiology › Biochemical effects in animals
Keywords
creatine monohydrate, muscle strength, upper arm muscle area, body composition, fat-free mass, resistance training, training periodization, one-repetition maximum, weight gain, fat mass, body fat percentage, training load progression, exercise frequency, exercise intensity, training duration
MeSH terms
Adult, Body Composition, Creatine, Double-Blind Method, Humans, Male, Task Performance and Analysis, Weight Lifting, Weight-Bearing, Treatment Outcome, Dietary Supplements

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