Document Detail

The energy cost of running increases with the distance covered.
MedLine Citation:
PMID:  1893899     Owner:  NLM     Status:  MEDLINE    
The net energy cost of running per unit of body mass and distance (Cr, ml was determined on ten amateur runners before and immediately after running 15, 32 or 42 km on an indoor track at a constant speed. The Cr was determined on a treadmill at the same speed and each run was performed twice. The average value of Cr, as determined before the runs, amounted to 174.9 ml, SD 13.7. After 15 km, Cr was not significantly different, whereas it had increased significantly after 32 or 42 km, the increase ranging from 0.20 to 0.31 ml per km of distance (D). However, Cr before the runs decreased, albeit at a progressively smaller rate, with the number of trials (N), indicating an habituation effect (H) to treadmill running. The effects of D alone were determined assuming that Cr increased linearly with D, whereas H decreased exponentially with increasing N, i.e. Cr = Cr0 + a D + He-bN. The Cr0, the "true" energy cost of running in nonfatigued subjects accustomed to treadmill running, was assumed to be equal to the average value of Cr before the run for N equal to or greater than 7 (171.1 ml, SD 12.7; n = 30).(ABSTRACT TRUNCATED AT 250 WORDS)
J C Brueckner; G Atchou; C Capelli; A Duvallet; D Barrault; E Jousselin; M Rieu; P E di Prampero
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European journal of applied physiology and occupational physiology     Volume:  62     ISSN:  0301-5548     ISO Abbreviation:  Eur J Appl Physiol Occup Physiol     Publication Date:  1991  
Date Detail:
Created Date:  1991-10-22     Completed Date:  1991-10-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0410266     Medline TA:  Eur J Appl Physiol Occup Physiol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  385-9     Citation Subset:  IM    
Department of Physiology, CMU, Geneva, Switzerland.
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MeSH Terms
Energy Metabolism / physiology*
Oxygen Consumption / physiology
Respiration / physiology
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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