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131.
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对我省部分重竞技项目运动员体脂的调查,结果发现,我省重竞技项目运动员的去脂体重明显低于我国同项目优秀运动员,体脂百分比明显高于我国同项目优秀运动员。 相似文献
133.
要获得健康长寿,应该从健康的生活方式着手。本文对戒烟和限量饮酒、合理的膳食营养、适量的体育锻炼等方面进行了阐述,并对如何参加体育锻炼做了具体的说明。 相似文献
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135.
文章对305例教师血清总胆固醇(Tc)、甘油三酯(TG)与高密度脂蛋白胆固醇(HDL—c)含量进行了统计学处理和分析。教师血清TG含量偏高。TC、TG偏高率较大,并随年龄增长偏高率有增加趋势。男性血清HDL—C含量各年龄组偏低率较低。尤其女性30~44岁年龄组血清HDL—C含量偏低率较高。 相似文献
136.
There have been few reports of advanced body composition profiles of elite fast bowlers in the sport of cricket. Therefore, the aim of the current study was to determine total, regional and unilateral body composition characteristics of elite English first-class cricket fast bowlers in comparison with matched controls, using dual-energy X-ray absorptiometry (DXA). Twelve male fast bowlers and 12 age-matched, non-athletic controls received one total-body DXA scan. Anthropometric data were obtained as well as left and right regional (arms, legs and trunk) fat mass, lean mass and bone mineral content. Fast bowlers were significantly taller and heavier than controls (P < 0.05). Relative to body mass, fast bowlers possessed greater lean mass in the trunk (80.9 ± 3.7 vs. 76.7 ± 5.9%; P = 0.047) and bone mineral content in the trunk (2.9 ± 0.3 vs. 2.6 ± 0.3%; P = 0.049) and legs (5.4 ± 0.5 vs. 4.6 ± 0.6%; P = 0.003). In the arm region, fast bowlers demonstrated significantly greater unilateral differences in bone mineral content (10.6 ± 6.6 vs. 4.5 ± 3.9%; P = 0.012). This study provides specific body composition values for elite-level fast bowlers and highlights the potential for muscle and bone imbalances that may be useful for conditioning professionals. Our findings also suggest beneficial adaptations in body composition and bone mass in fast bowlers compared with their non-athletic counterparts. 相似文献
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138.
以成年雄性SD大鼠为研究对象,通过递增强度跑台训练建立大强度耐力训练运动模型,研究葛根总黄酮对大强度耐力训练大鼠机体糖储备和脂肪代谢的影响.研究结果显示:葛根总黄酮可调节运动大鼠胰岛素、胰高血糖素和生长激素的分泌,促进脂肪分解,提高大鼠血液游离脂肪酸(FFA)和骨骼肌FFA的含量,节省糖原的消耗. 相似文献
139.
研究了羽毛绒洗涤工艺中几种有机助剂的作用,选择了THD醇为较好的助剂,使用THD醇可以使羽绒耗氧指数降低60%,并用正交实验确定了洗涤工艺中各物料的投料比。 相似文献
140.
Angela Mooney Laurel Kelsey Gilbert W. Fellingham James D. George Ron L. Hager J. William Myrer 《Measurement in physical education and exercise science》2013,17(1):2-17
To determine the validity and reliability of percent body fat estimates in 177 boys and 154 girls between 12–17 years of age, percent body fat was assessed once using dual-energy X-ray absorptiometry and twice using the sum of two skinfolds and three bioelectrical impedance analysis devices. The assessments were repeated on 79 participants on a second day. The agreement between the percent body fat estimates from the four prediction methods and dual-energy X-ray absorptiometry was evaluated using Bland–Altman analyses and a mixed linear model. All methods were reliable within and between days. The sum of two skinfolds (±6.8% body fat), OMRON (OMRON Healthcare Inc., Vernon Hills, Illinois, USA) bioelectrical impedance analysis (0 ± 7.3% body fat), and TANITA 521 (TANITA Corporation, Tokyo, Japan) bioelectrical impedance analysis (±7.6% body fat) had wide prediction intervals and are acceptable for use in large population-based studies. The TANITA 300A bioelectrical impedance analysis is not recommended for use in children and adolescents due to its wide prediction interval (±8.1% body fat) and large bias. A criterion method should be used when the accurate assessment of body composition of an individual is critical. 相似文献