Abstract：
:The aim was to investigate the effect of high-volume low intensity resistance training protocol combined with endurance training on plasma neuropeptide Y (NPY) concentration in rowers. Additionally, leptin and ghrelin, as markers for body energy balance concentrations, were monitored. 12 highly trained national and international level male rowers participated in this study. The participants were tested three times--after reference week (T1), after 2 weeks of high-volume training (T2) and after a recovery week (T3) for aerobic performance, energy intake and expenditure, and blood biochemical parameters. The submaximal rowing performance decreased significantly (P = 0.019) at T2. Fasting leptin decreased significantly (from 2.05 ± 0.88 to 1.28 ± 0.53 ng/mL; P = 0.009) at T2 and increased significantly (from 1.28 ± 0.53 to 1.79 ± 0.79 ng/mL; P = 0.002) at T3. Fasting ghrelin decreased significantly (from 980 ± 300.2 to 873.35 ± 198.6 pg/mL; P = 0.036) at T3 compared to T2, while no changes were found in fasting NPY. Significant decreases in exercise-induced leptin were observed at T2 (from 1.13 ± 0.5 to 1.08 ± 0.5 ng/mL; P = 0.012), PRE and POST test leptin values at T2 were significantly decreased compared to T1(1.40 ± 0.9 to 1.13 ± 0.5 and 1.44 ± 0.8 to 1.08 ± 0.5, respectively). Acute exercise-induced increases in NPY were found at T2 (from 128.1 ± 23.2 to 155.1 ± 28.9 pmol/L; P = 0.002) and at T3 (from 131.3 ± 20.5 to 159.7 ± 32.8 pmol/L, P = 0.004). In conclusion, the combination of high-volume training protocol and energy imbalance induces significant post-exercise changes in NPY, leptin, and ghrelin concentrations and decreases fasting leptin.
journal_name
Eur J Appl Physioljournal_title
European journal of applied physiologyauthors
Rämson R,Jürimäe J,Jürimäe T,Mäestu Jdoi
10.1007/s00421-011-2166-ysubject
Has Abstractpub_date
2012-05-01 00:00:00pages
1873-80issue
5eissn
1439-6319issn
1439-6327journal_volume
112pub_type
杂志文章abstract：:The purpose of this study was to investigate the consequences of a high-speed boat transit on physical performance. Twenty-four Royal Marines were randomly assigned to a control (CON) or transit (TRAN) group. The CON group sat onshore for 3 h whilst the TRAN group completed a 3-h transit in open-boats running side-by-...
journal_title：European journal of applied physiology
pub_type： 杂志文章,随机对照试验
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
pub_type： 杂志文章
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
pub_type： 临床试验,杂志文章,随机对照试验
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更新日期：2003-01-01 00:00:00
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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journal_title：European journal of applied physiology
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更新日期：2012-12-01 00:00:00
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更新日期：2009-12-01 00:00:00
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