Document Detail

Protein intake and athletic performance.
MedLine Citation:
PMID:  1763249     Owner:  NLM     Status:  MEDLINE    
For most of the current century, exercise/nutritional scientists have generally accepted the belief that exercise has little effect on protein/amino acid requirements. However, during the same time period many athletes (especially strength athletes) have routinely consumed diets high in protein. In recent years, the results of a number of investigations involving both strength and endurance athletes indicate that, in fact, exercise does increase protein/amino acid need. For endurance athletes, regular exercise may increase protein need by 50 to 100%. For strength athletes, the data are less clear; however, protein intakes in excess of sedentary needs may enhance muscle development. Despite these observations increased protein intake may not improve athletic performance because many athletes routinely consume 150 to 200% of sedentary protein requirements. Assuming total energy intake is sufficient to cover the high expenditures caused by daily training, a diet containing 12 to 15% of its energy from protein should be adequate for both types of athletes.
P W Lemon; D N Proctor
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Sports medicine (Auckland, N.Z.)     Volume:  12     ISSN:  0112-1642     ISO Abbreviation:  Sports Med     Publication Date:  1991 Nov 
Date Detail:
Created Date:  1992-02-11     Completed Date:  1992-02-11     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8412297     Medline TA:  Sports Med     Country:  NEW ZEALAND    
Other Details:
Languages:  eng     Pagination:  313-25     Citation Subset:  IM    
Applied Physiology Research Laboratory, School of Biomedical Sciences, Kent State University, Ohio.
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MeSH Terms
Dietary Proteins / administration & dosage*,  metabolism
Energy Intake / physiology
Energy Metabolism / physiology
Nutritional Requirements
Physical Endurance / physiology
Reg. No./Substance:
0/Dietary Proteins

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