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首页> 外文期刊>Medicine and science in sports and exercise >Race and sex similarities in exercise-induced changes in blood lipids and fatness.
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Race and sex similarities in exercise-induced changes in blood lipids and fatness.

机译：运动引起的血脂和脂肪变化中的种族和性别相似性。

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PURPOSE: This study explores sex and race differences in the association between changes in fat mass (FM), abdominal visceral fat (AVF), and abdominal subcutaneous fat (ASF) on blood lipid changes consequent to aerobic exercise training. METHODS: The sample included 613 participants (428 white and 185 black, 46% men) from the HERITAGE Family Study. Total FM was determined by densitometry, whereas AVF and ASF cross-sectional areas were determined by computed tomography at the L4-L5 level. Blood lipid measurements included total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triglycerides (TG), and the TC/HDL-C ratio, which were obtained before and after 20 wk of supervised aerobic exercise. Canonical correlation was used to determine the multivariate associations between body fatness and blood lipids at baseline and the changes induced by exercise training. RESULTS: Body fat accounted for 26-36% of the variance in baseline blood lipids, and changes in body fat accounted for 7-21% of the variance in changes in blood lipids with exercise training. The pattern of loadings indicated similar relationships between body fatness and blood lipids at baseline, and their respective changes with exercise training among the four sex-by-race groups. Greater fat loss, characterized by loss of FM, AVF, and ASF, was associated with a greater blood lipid response characterized by an increase in HDL-C and decreases in LDL-C, TG, TC, and TC/HDL-C. Although the pattern of loadings was similar in all groups, the strength of the association was stronger in blacks than in whites. CONCLUSION: The multivariate associations among fat loss and changes in blood lipids consequent to aerobic exercise training are similar in black and white men and women.
机译：目的：本研究探讨有氧运动训练导致的血脂变化对脂肪量（FM），腹部内脏脂肪（AVF）和腹部皮下脂肪（ASF）变化之间的关联的性别和种族差异。方法：样本包括来自遗产家庭研究的613名参与者（428名白人和185名黑人，占46％）。总FM由光密度测定法确定，而AVF和ASF截面积由L4-L5水平的计算机断层摄影术确定。血脂测量包括总胆固醇（TC），高密度脂蛋白胆固醇（HDL-C），低密度脂蛋白胆固醇（LDL-C），甘油三酸酯（TG）和TC / HDL-C比并在有监督的有氧运动20周之后。典型相关性用于确定基线时身体脂肪和血脂与运动训练引起的变化之间的多元关联。结果：在运动训练中，体脂占基线血脂变化的26-36％，体脂变化占血脂变化的7-21％。在四个性别组中，负荷模式表明在基线时身体脂肪和血脂之间存在相似的关系，并且随着运动训练它们的各自变化也相似。以FM，AVF和ASF的损失为特征的更大的脂肪流失与以HDL-C的增加和LDL-C，TG，TC和TC / HDL-C的下降为特征的更大的血脂反应有关。尽管所有组的负荷模式都相似，但黑人的联想能力强于白人。结论：有氧运动训练所致的脂肪损失和血脂变化之间的多变量关联在黑人和白人中相似。

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