dc.contributor.author | Bond, Bert | |
dc.contributor.author | Williams, CA | |
dc.contributor.author | Isic, C | |
dc.contributor.author | Jackman, SR | |
dc.contributor.author | Tolfrey, K | |
dc.contributor.author | Barrett, LA | |
dc.contributor.author | Barker, AR | |
dc.date.accessioned | 2015-04-24T09:17:33Z | |
dc.date.issued | 2014-12-11 | |
dc.description.abstract | PURPOSE: The effect of exercise intensity and sex on postprandial risk factors for cardiovascular disease in adolescents is unknown. We examined the effect of a single bout of work-matched high-intensity interval exercise (HIIE) and moderate-intensity exercise (MIE) on postprandial triacylglycerol (TAG) and systolic blood pressure (SBP) in adolescents. METHOD: Twenty adolescents (10 male, 14.3 ± 0.3 years) completed three 1-day trials: (1) rest (CON); (2) 8 × 1 min cycling at 90 % peak power with 75 s recovery (HIIE); (3) cycling at 90 % of the gas exchange threshold (MIE), 1 h before consuming a high-fat milkshake (1.50 g fat and 80 kJ kg(-1)). Postprandial TAG, SBP and fat oxidation were assessed over 4 h RESULTS : Compared to CON, the incremental area under the curve for TAG (IAUC-TAG) was not significantly lowered in HIIE [P = 0.22, effect size (ES) = 0.24] or MIE (P = 0.65, ES = 0.04) for boys. For girls, HIIE and MIE lowered IAUC-TAG by 34 % (P = 0.02, ES = 0.58) and 38 % (P = 0.09, ES = 0.73), respectively, with no difference between HIIE and MIE (P = 0.74, ES = 0.14). Changes in TAG were not related to energy expenditure during exercise or postprandial fat oxidation. Postprandial SBP (total-AUC pooled for both sexes) was lower in HIIE compared to CON (P = 0.01, ES = 0.68) and MIE (P = 0.02, ES = 0.60), with no difference between MIE and CON (P = 0.45, ES = 0.14). CONCLUSION: A single bout of HIIE and MIE, performed 1 h before an HFM, can meaningfully attenuate IAUC-TAG in girls but not boys. Additionally, HIIE, but not MIE, may lower postprandial SBP in normotensive adolescents. | en_GB |
dc.identifier.citation | Vol. 115 (5), pp. 927-936 | en_GB |
dc.identifier.doi | 10.1007/s00421-014-3074-8 | |
dc.identifier.uri | http://hdl.handle.net/10871/16984 | |
dc.language.iso | en | en_GB |
dc.publisher | Springer Verlag (Germany) | en_GB |
dc.relation.url | http://www.ncbi.nlm.nih.gov/pubmed/25501677 | en_GB |
dc.relation.url | http://link.springer.com/article/10.1007%2Fs00421-014-3074-8 | en_GB |
dc.rights.embargoreason | Publisher's policy | en_GB |
dc.rights | The final publication is available at Springer via http://dx.doi.org/10.1007/s00421-014-3074-8 | en_GB |
dc.subject | Cardiovascular disease (CVD) | en_GB |
dc.subject | High-intensity exercise | en_GB |
dc.subject | Triacylglycerol (TAG) | en_GB |
dc.subject | Young people | en_GB |
dc.subject | Physical activity | en_GB |
dc.title | Exercise intensity and postprandial health outcomes in adolescents | en_GB |
dc.type | Article | en_GB |
dc.identifier.issn | 1439-6319 | |
pubs.declined | 2016-02-23T20:11:14.43+0000 | |
pubs.deleted | 2016-02-23T20:11:14.90+0000 | |
dc.description | JOURNAL ARTICLE | en_GB |
dc.description | Copyright © Springer-Verlag Berlin Heidelberg 2014 | en_GB |
dc.identifier.journal | European Journal of Applied Physiology | en_GB |