The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia
<p>Abstract</p> <p>Background</p> <p>Postprandial lipemia is an independent risk factor for coronary heart disease. Single bouts of moderate exercise may lower this risk, but the minimum duration of moderate intensity exercise that still lowers postprandial lipemia is n...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2005-10-01
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| Series: | Lipids in Health and Disease |
| Online Access: | http://www.lipidworld.com/content/4/1/24 |
| _version_ | 1818066045713252352 |
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| author | Colombani Paolo C Wenk Caspar Ludwig Tanja Pfeiffer Martina |
| author_facet | Colombani Paolo C Wenk Caspar Ludwig Tanja Pfeiffer Martina |
| author_sort | Colombani Paolo C |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Background</p> <p>Postprandial lipemia is an independent risk factor for coronary heart disease. Single bouts of moderate exercise may lower this risk, but the minimum duration of moderate intensity exercise that still lowers postprandial lipemia is not known. We, therefore, performed a dose-response study with a normal, daily life setting, to identify the minimum duration of moderate intensity walking that lowers postprandial lipemia in sedentary, healthy young men.</p> <p>Methods</p> <p>Sixteen men performed three activity trials (30, 60, or 90 min of treadmill walking at 50% of their individual VO<sub>2</sub>max) and a control trial with no physical activity in a repeated measures crossover design. The subjects walked immediately before ingestion of the first of two mixed meals, which were served 3 h apart. The meals had a moderate fat content (0.5 g per kg body mass and 33% of total energy per meal) and a macronutrient composition corresponding to current recommendations. Each meal provided one third of the subject's estimated daily energy requirement. Venous blood samples were taken in the fasted state, and then hourly for 6 h after the first meal to assess the postprandial phase. Postprandial lipemia (the incremental area under the curve (dAUC) of triacylglycerol) was compared with a mixed model analysis and Tukey's adjustment.</p> <p>Results</p> <p>Postprandial lipemia (dAUC of triacylglycerol) was, compared to the control trial, +2% (P = 1.00), -14% (P = 0.24), and -15% (P = 0.23) in the 30, 60, and 90 min walking trials, respectively.</p> <p>Conclusion</p> <p>Moderate intensity walking of 60 and 90 min duration slightly, but insignificantly, reduced postprandial lipemia after two mixed meals with moderate fat content in sedentary, healthy young men, compared to inactivity. Therefore, it should be reconsidered if the acute exercise-induced reduction in postprandial lipemia usually observed in studies using high fat meals is of importance in a real, daily life setting.</p> |
| first_indexed | 2024-12-10T15:01:33Z |
| format | Article |
| id | doaj.art-3e30cb55720b4ddfa908c0cbd715ec15 |
| institution | Directory Open Access Journal |
| issn | 1476-511X |
| language | English |
| last_indexed | 2024-12-10T15:01:33Z |
| publishDate | 2005-10-01 |
| publisher | BMC |
| record_format | Article |
| series | Lipids in Health and Disease |
| spelling | doaj.art-3e30cb55720b4ddfa908c0cbd715ec152022-12-22T01:44:09ZengBMCLipids in Health and Disease1476-511X2005-10-01412410.1186/1476-511X-4-24The influence of walking performed immediately before meals with moderate fat content on postprandial lipemiaColombani Paolo CWenk CasparLudwig TanjaPfeiffer Martina<p>Abstract</p> <p>Background</p> <p>Postprandial lipemia is an independent risk factor for coronary heart disease. Single bouts of moderate exercise may lower this risk, but the minimum duration of moderate intensity exercise that still lowers postprandial lipemia is not known. We, therefore, performed a dose-response study with a normal, daily life setting, to identify the minimum duration of moderate intensity walking that lowers postprandial lipemia in sedentary, healthy young men.</p> <p>Methods</p> <p>Sixteen men performed three activity trials (30, 60, or 90 min of treadmill walking at 50% of their individual VO<sub>2</sub>max) and a control trial with no physical activity in a repeated measures crossover design. The subjects walked immediately before ingestion of the first of two mixed meals, which were served 3 h apart. The meals had a moderate fat content (0.5 g per kg body mass and 33% of total energy per meal) and a macronutrient composition corresponding to current recommendations. Each meal provided one third of the subject's estimated daily energy requirement. Venous blood samples were taken in the fasted state, and then hourly for 6 h after the first meal to assess the postprandial phase. Postprandial lipemia (the incremental area under the curve (dAUC) of triacylglycerol) was compared with a mixed model analysis and Tukey's adjustment.</p> <p>Results</p> <p>Postprandial lipemia (dAUC of triacylglycerol) was, compared to the control trial, +2% (P = 1.00), -14% (P = 0.24), and -15% (P = 0.23) in the 30, 60, and 90 min walking trials, respectively.</p> <p>Conclusion</p> <p>Moderate intensity walking of 60 and 90 min duration slightly, but insignificantly, reduced postprandial lipemia after two mixed meals with moderate fat content in sedentary, healthy young men, compared to inactivity. Therefore, it should be reconsidered if the acute exercise-induced reduction in postprandial lipemia usually observed in studies using high fat meals is of importance in a real, daily life setting.</p>http://www.lipidworld.com/content/4/1/24 |
| spellingShingle | Colombani Paolo C Wenk Caspar Ludwig Tanja Pfeiffer Martina The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia Lipids in Health and Disease |
| title | The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| title_full | The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| title_fullStr | The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| title_full_unstemmed | The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| title_short | The influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| title_sort | influence of walking performed immediately before meals with moderate fat content on postprandial lipemia |
| url | http://www.lipidworld.com/content/4/1/24 |
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