Research article summary (published 30 Jan 2002):

Effect of recovery interval on multiple-bout sprint cycling performance after acute creatine supplementation.

Full Abstract

The purpose of this study was to examine the effect of varying recovery intervals on multiple-bout, short-duration, high-intensity cycling efforts of adult men supplemented with creatine (Cr) or a placebo (Pl). Thirty subjects underwent 3 trials of a maximal cycling protocol (T(0), T(1), T(2)). T(0) included V(O)2 max testing and familiarization with the sprint cycling protocol. T(1) consisted of 8 15-second bouts of sprint cycling exercise. Subjects were randomly assigned to recovery interval groups (1 minute, 3 minutes, 6 minutes), and Cr or Pl groups (0.3 g x kg(-1) x d(-1)). Posttesting (T(2)) took place 7 days after T(1) and consisted of an identical protocol as during T(1). Changes in mean power (MP), peak power (PP), and fatigue index (FI) were compared between trials. MP was significantly increased in Cr 1-minute, Cr 3-minute, and Pl 6-minute groups (p < 0.05). Significant PP increases were demonstrated in Cr 1-minute and Pl 6-minute groups (p < 0.05), and FI significantly increased in Pl 1-minute group (p < 0.05). Results indicate that Cr supplementation is effective in improving recovery from repeated sprint cycling performances when the recovery interval is of a short (<6 minutes) duration.

Author information

Author/s: Cottrell, G Trevor (GT); Coast, J Richard (JR); Herb, Robert A (RA);

Affiliation: Department of Health Promotion and Exercise Science, Northern Arizona University, Flagstaff, Arizona 86011, USA. gtcottre(-atsign-)u.arizona.edu.

Journal and publication information

Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial

Journal: Journal of strength and conditioning research / National Strength & Conditioning Association (J Strength Cond Res), published in United States. (Language: eng)

Reference: 2002-Feb; vol 16 (issue 1) : pp 109-16

Dates: Created 2002/02/08; Completed 2002/03/28; Revised 2006/11/15;

PMID: 11834115, status: MEDLINE (last retrieved date: 2/18/2009)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MeSH Headings (categories) shown below.

Adult Anthropometry Bicycling - physiology Creatine - administration & dosage Dietary Supplements Exercise - physiology

Exercise Test Humans Male Muscle, Skeletal - drug effects Physical Endurance - drug effects Task Performance and Analysis

Note: Bold headings indicate primary MeSH headings or qualifiers.

Associated Chemicals: Creatine (57-00-1)

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