Dietary practices of South African ultradistance runners
Deutscher übersetzter Titel: | Ernaehrungsgewohnheiten von suedafrikanischen Ultralangstreckenlaeufern |
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Autor: | Peters, E.M.; Goetzsche, J.M. |
Erschienen in: | International journal of sport nutrition and exercise metabolism |
Veröffentlicht: | 7 (1997), 2, S. 80-103, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 1050-1606, 1543-2742 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199708206486 |
Quelle: | BISp |
Abstract des Autors
Training (T) and prerace (PR) dietary intakes of male and female athletes participating in a 90-km ultramarathon and the usual diets of matched, sedentary controls were investigated using 24-hr dietary records. Supplement use, mean weekly training distance, and race performance times were recorded. Macro- and micronutrient intakes were analyzed using computerized nutritional analysis programs. Total mean energy intake in the T and PR diets of the runners was 10.1 and 12.8 MJ in the men (n=150) and 7.5 and 9.1 MJ in the women (n=23). Mean relative contribution of CHO to the runners' total kilojoule intake increased from 50.0 and 49.5% in the T diets to 57.7 (p<.05; n=153) and 56.4% (p<.05; n=23) in the PR diets of male and female runners, respectively, and energy-boosting supplements were included in the PR diets of 48% of female and 59% of male runners. Seventy-eight percent of female and 62% of male runners used vitamin and mineral supplements in their T diets as opposed to 39% of female and 28% of male controls. No statistically significant relationship was found between total kilojoule, CHO, fat, protein, and selected microonutrient intake during the 3 days before the race and performance in the 90-km event in runners of homogenous training status and gender. Verf.-Referat