ENERGY-BALANCE IN HIGHLY TRAINED FEMALE ENDURANCE RUNNERS
ENERGY-BALANCE IN HIGHLY TRAINED FEMALE ENDURANCE RUNNERS
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DOI：
10.1249/00005768-199312000-00014
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发表时间：
1993-12-01
期刊：
影响因子：
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通讯作者：
STAGER, JM
中科院分区：
文献类型：
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作者：
EDWARDS, JE;LINDEMAN, AK;STAGER, JM
坊间和科学报道表明，一些女耐力运动员可能在能量摄入和能量消耗之间存在莫名其妙的失衡。我们比较了9名女性长跑运动员7d的食物日记中的能量摄入量(EI)、双标记水(DLW)的自由生活能量消耗(EE)和食物态度调查。通过DLW的每日EE(2990+/-415千卡)大于通过FD的每日EI(2037+/-298千卡)：32%的不平衡。体重在7d(第1天，55.3±-6.2 kg；第7天，55.1+/-5.6 kg)内没有变化。EE与体重呈正相关(r=0.82)，EE与EI呈负相关(r=-0.83)，EI与体重呈负相关(r=-0.74)。体重与食物态度/身体形象呈负相关(r=-78)，即体重越重的女性自我报告的EI越低，身体形象得分也越低。根据我们的测量，这些女运动员在EI和EE之间存在显著的不平衡。由于身体形象和EI与体重有关，EI的估计可能较低，这是因为低估了特别是体重较重的运动员的报告。
Anecdotal and scientific reports have suggested that some female endurance athletes may have an inexplicable imbalance between energy intake and energy expenditure. We compared energy intake (EI) from food diaries (FD) with assessment of free-living energy expenditure (EE) using doubly labeled water (DLW) and a food attitude survey for 7 d in nine female distance runners. Daily EE via DLW (2990 +/- 415 kcal) was greater (P < 0.01) than daily EI via FD (2037 +/- 298 kcal): a 32% imbalance. Body weight did not change during the 7 d (day 1, 55.3 +/- 6.2 kg; day 7, 55.1 +/- 5.6 kg). A positive relationship was observed between EE and body weight (r = 0.82) while a negative correlation existed between EE vs EI (r = -0.83) and between EI vs body weight (r = -0.74). A negative correlation was observed between body weight and food attitude/body image (r = -78), i.e., the heavier women self-reported lower EI and also reported lower body image scores. These female athletes had a significant imbalance between EI and EE by our measures. Since body image and EI were related to body weight, the estimates of EI may be low due to underreporting particularly by the heavier athletes.