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dc.contributor.authorKirk, Erik P.
dc.contributor.authorDonnelly, Joseph E.
dc.contributor.authorSmith, Bryan K.
dc.contributor.authorHonas, Jeffery J.
dc.contributor.authorLeCheminant, James D.
dc.contributor.authorBailey, Bruce W.
dc.contributor.authorJacobsen, Dennis J.
dc.contributor.authorWashburn, Richard A.
dc.identifier.citationKirk, E. P., Donnelly, J. E., Smith, B. K., Honas, J., LeCheminant, J. D., Bailey, B. W., … Washburn, R. A. (2009). Minimal resistance training improves daily energy expenditure and fat oxidation. Medicine and Science in Sports and Exercise, 41(5), 1122–1129.
dc.descriptionThis is not the published version.en_US
dc.description.abstractABSTRACT: Long-term resistance training (RT) may result in a chronic increase in 24-hour energy expenditure (EE) and fat oxidation to a level sufficient to assist in maintaining energy balance and prevent weight gain. However, the impact of a minimal RT program on these parameters in an overweight college age population, a group at high risk for developing obesity, is unknown. PURPOSE: We aimed to evaluate the effect of 6-months of supervised minimal RT in previously sedentary, overweight (mean±SEM, BMI=27.7±0.5kg/m2) young adults (21.0±0.5yrs) on 24-hr EE, resting metabolic rate (RMR), sleep metabolic rate (SMR) and substrate oxidation using whole room indirect calorimetry 72-h after the last RT session. METHODS: Participants were randomized to RT (1 set, 3 d/wk, 3–6 repetition maximum, 9 exercises) (N=22) or control (C, N=17) groups and completed all assessments at baseline and 6 months. RESULTS: There was a significant (P<0.05) increase in 24-hr EE in the RT (527 ± 220kJ/d) and C (270 ± 168kJ/d) groups, however, the difference between groups was not significant (P=0.30). Twenty-four hour fat oxidation (g/day) was not altered after RT, however; reductions in RQ assessed during both rest (P<0.05) and sleep (P<0.05) suggested increased fat oxidation in RT compared with C during these periods. SMR (8.4±8.6%) and RMR (7.4±8.7%) increased significantly in RT (P<0.001) but not in C, resulting in significant (P<0.001) between group differences for SMR with a trend for significant (P=0.07) between group differences for RMR. CONCLUSION: A minimal RT program that required little time to complete (11 min per session) resulted in a chronic increase in energy expenditure. This adaptation in energy expenditure may have a favorable impact on energy balance and fat oxidation sufficient to assist with the prevention of obesity in sedentary, overweight young adults, a group at high risk for developing obesity.en_US
dc.publisherLippincott, Williams & Wilkinsen_US
dc.titleMinimal resistance training improves daily energy expenditure and fat oxidationen_US
kusw.kuauthorDonnelly, Joseph E.
kusw.kuauthorSmith, Bryan K.
kusw.kuauthorHonas, Jeff
kusw.kuauthorJacobsen, Dennis J.
kusw.kuauthorWashburn, Richard A.
kusw.kudepartmentLife Span Instituteen_US
kusw.oanotesPer SHERPA/RoMEo 6/22/2017: Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: grey tick subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) Restrictions:

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kusw.oaversionScholarly/refereed, author accepted manuscripten_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US

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