Document Detail

Influence of exercise variation on the retention of a pacing strategy.
MedLine Citation:
PMID:  20012449     Owner:  NLM     Status:  MEDLINE    
The aim of this study is to establish whether the introduction of an exercise bout of different distance, would affect the retention of the pacing schema stored from a prior exercise bout. Furthermore, to identify whether the 'internal clock' can be calibrated to absolute distance, and whether this is disrupted by exercise requiring a different pacing strategy. Sixteen highly trained male cyclists were randomly allocated into a control (CON) or experimental group (EXP) and completed four time trials (TT) of two different distances (2 x 4 km and 2 x 6 km), separated by 17 min. The participants in the CON group completed both distances in a sequential order whereas the EXP group completed both distances in a variable order. No significant differences in completion time or mean PO were observed (p > 0.05). The CON group showed a significant improvement in their estimation of distance completed in both the 4 km (24.6 +/- 18.2 vs. 8.2 +/- 5.5%) and 6 km (15.2 +/- 7 vs. 8.6 +/- 3%) distances (t (7) = 2.791, t (7) = 3.118, p < 0.05). No significant differences in distance estimation were observed in the EXP group (p > 0.05). In conclusion, participants in the CON group displayed a significant improvement in their judgement of distance completed, despite no improvement in completion time. This suggests that a learned pacing schema is robust and not negatively affected by subsequent pacing variation. The internal clock shows an ability to be calibrated to absolute distance, although this does not improve performance.
Alexis R Mauger; Andrew M Jones; Craig Anthony Williams
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2009-12-11
Journal Detail:
Title:  European journal of applied physiology     Volume:  108     ISSN:  1439-6327     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-26     Completed Date:  2010-06-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1015-23     Citation Subset:  IM    
School of Sport and Health Sciences, University of Exeter, St. Luke's Campus, Heavitree Road, Exeter, Devon, EX1 2LU, UK.
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MeSH Terms
Activity Cycles / physiology*
Adaptation, Physiological / physiology*
Athletic Performance
Behavior / physiology
Exercise / physiology*,  psychology*
Exercise Test / methods
Heart Rate / physiology
Models, Biological
Oxygen Consumption / physiology
Physical Endurance / physiology*
Task Performance and Analysis
Time Factors
Young Adult

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