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Sports Medicine Commons

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2011

Muscle fibre type

Articles 1 - 1 of 1

Full-Text Articles in Sports Medicine

Post-Exercise Protein Synthesis Rates Are Only Marginally Higher In Type I Compared With Type Ii Muscle Fibres Following Resistance-Type Exercise, René Koopman, Benjamin G. Gleeson, Annemie P. Gijsen, Bart B. L. Groen, Joan M. G. Senden, Michael J. Rennie, Luc J. C. Van Loon Jan 2011

Post-Exercise Protein Synthesis Rates Are Only Marginally Higher In Type I Compared With Type Ii Muscle Fibres Following Resistance-Type Exercise, René Koopman, Benjamin G. Gleeson, Annemie P. Gijsen, Bart B. L. Groen, Joan M. G. Senden, Michael J. Rennie, Luc J. C. Van Loon

Faculty of Health Sciences Publications

We examined the effect of an acute bout of resistance exercise on fractional muscle protein synthesis rates in human type I and type II muscle fibres. After a standardised breakfast (31 ± 1 kJ kg−1 body weight, consisting of 52 Energy% (En%) carbohydrate, 34 En% protein and 14 En% fat), 9 untrained men completed a lower-limb resistance exercise bout (8 sets of 10 repetitions leg press and leg extension at 70% 1RM). A primed, continuous infusion of l-[ring-13C6]phenylalanine was combined with muscle biopsies collected from both legs immediately after exercise and after 6 h of post-exercise recovery. Single ...