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Effect of acute oral creatine supple...

Curtin, Samuel Vincent.

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Effect of acute oral creatine supplementation on muscle volume in young and older men.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Effect of acute oral creatine supplementation on muscle volume in young and older men./
作者:	Curtin, Samuel Vincent.
面頁冊數:	76 p.
附註:	Adviser: Greg D. Marsh.
Contained By:	Masters Abstracts International39-05.
標題:	Gerontology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ58022
ISBN:	0612580229

Effect of acute oral creatine supplementation on muscle volume in young and older men.
Curtin, Samuel Vincent.

Effect of acute oral creatine supplementation on muscle volume in young and older men. - 76 p.

Adviser: Greg D. Marsh.

Thesis (M.Sc.)--The University of Western Ontario (Canada), 2000.

The purpose of this study was to compare the effect of short-term creatine supplementation on skeletal muscle volume in young and older men. In this double blind study, 13 young (age 22 ± 2y) and 9 older (age 76 ± 9y) men were randomly assigned to either a creatine or placebo group. The creatine group consumed 20g of creatine monohydrate + 20g of maltodextrin per day for 5 days, and the placebo group received only the 20g of maltodextrin per day for 5 days. Muscle volume of the arm was assessed using magnetic resonance imaging. A 1.5T Siemens whole body MR unit was used to collect 15 interleaved T1 weighted transverse slices, 2 mm thick, of the arm. These sections were used to calculate arm volumes. In the young placebo group, no significant changes were observed in body weight or arm muscle volume. Similar results were observed in the older placebo group. In the young creatine group there was a significant weight gain of 1.0 ± 1.2kg, and a significant gain in muscle volume of 7.2% (141 ± 18 cm<super>3</super> vs. 151 ± 20 cm<super>3</super>). However, creatine did not produce any significant weight gain (76.5 ± 3kg vs. 77.4 ± 2kg) or change in muscle volume (116 ± 20 cm<super>3</super> vs. 117 ± 22 cm<super>3 </super>) in older men. Although 5 days of loading was adequate to produce changes in the muscle morphology of young men, the same protocol was not successful in altering the observed parameters in older men. These results suggest that young and older men respond differently to acute creatine supplementation.

ISBN: 0612580229Subjects--Topical Terms:

533633
Gerontology.

Effect of acute oral creatine supplementation on muscle volume in young and older men.
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