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肯尼亚优秀长跑运动员的食物和常量营养素摄入量。

Food and macronutrient intake of elite kenyan distance runners.

作者信息

Onywera V O, Kiplamai F K, Boit M K, Pitsiladis Y P

机构信息

Dept of Exercise and Sports Science, Kenyatta University, Nairobi, Kenya.

出版信息

Int J Sport Nutr Exerc Metab. 2004 Dec;14(6):709-19. doi: 10.1123/ijsnem.14.6.709.

Abstract

The food and macronutrient intake of elite Kenyan runners was compared to recommendations for endurance athletes. Estimated energy intake (EI: 2987 +/- 293 kcal; mean +/- standard deviation) was lower than energy expenditure (EE: 3605 +/- 119 kcal; P < 0.001) and body mass (BM: 58.9 +/- 2.7 kg vs. 58.3 +/- 2.6 kg; P < 0.001) was reduced over the 7-d intense training period. Diet was high in carbohydrate (76.5%, 0.4 g/kg BM per day) and low in fat (13.4 %). Protein intake (10.1 %; 1.3 g/kg BM per day) matched recommendations for protein intake. Fluid intake was modest and mainly in the form of water (1113 +/- 269 mL; 0.34 +/- 0.16 mL/kcal) and tea (1243 +/- 348 mL). Although the diet met most recommendations for endurance athletes for macronutrient intake, it remains to be determined if modifying energy balance and fluid intake will enhance the performance of elite Kenyan runners.

摘要

将肯尼亚精英长跑运动员的食物和常量营养素摄入量与耐力运动员的建议摄入量进行了比较。估计能量摄入量(EI:2987±293千卡;均值±标准差)低于能量消耗(EE:3605±119千卡;P<0.001),并且在为期7天的高强度训练期间体重(BM:58.9±2.7千克对58.3±2.6千克;P<0.001)有所下降。饮食中碳水化合物含量高(76.5%,每天每千克体重0.4克),脂肪含量低(13.4%)。蛋白质摄入量(10.1%;每天每千克体重1.3克)符合蛋白质摄入建议。液体摄入量适中,主要是水(1113±269毫升;每千卡0.34±0.16毫升)和茶(1243±348毫升)。尽管该饮食在常量营养素摄入方面符合耐力运动员的大多数建议,但改变能量平衡和液体摄入量是否会提高肯尼亚精英长跑运动员的表现仍有待确定。

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