Puente-Fernández, Joel, Seijo Bujia, Marcos ORCID: https://orcid.org/0000-0003-1637-6670, Larumbe-Zabala, Eneko, Jiménez, Alfonso, Liguori, Gary, Rossato, Claire ORCID: https://orcid.org/0000-0003-0306-5435, Mayo-Mauriz, Xian and Naclerio, Fernando ORCID: https://orcid.org/0000-0001-7405-4894 (2020) Effects of multi-ingredient pre-workout supplementation across a 5-day resistance and endurance training microcycle in middle-aged adults. Nutrients, 12 (12):3778. ISSN 2072-6643 (Online) (doi:10.3390/nu12123778)

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Abstract

Pre-workout multi-ingredients are used to maximise exercise performance. The present double-blind, cross-over study compared the acute effects of ingesting a pre-workout multi-ingredient (PREW) vs. carbohydrate (CHO) over a week (microcycle) composed by three resistance training (RT) workouts alternated with two 30-min low-intensity endurance sessions (END) on RT volume (kg lifted) and END substrate oxidation. Additionally, post-workout decreases of muscle function and subjective responses were analysed. Following a baseline assessment, fourteen recreationally trained middle-aged adults (seven females, 48.8±4.7 years old) completed two identical microcycles separated by a 2-week washout period while receiving either PREW or CHO (15 minutes prior workout). The RT volume, per session (SVOL) and for entire week (WVOL) was calculated. Fatty acid oxidation (FAO) during 30-min cycling corresponding to their individually determined maximal fat oxidation was measured using expired gasses and indirect calorimetry. Assessments of performance and tensiomyography were conducted within 20 min after each RT. Higher (p=0.001) SVOL and WVOL along with a larger proportion of FAO (p=0.05) during the second END workout were determined under the PREW treatment. No other statistically significant differences were observed between conditions. Compared to CHO, a pre-workout multi-ingredient appears to increase resistance volume and favouring fat oxidation during low-intensity endurance exercises.

Item Type:	Article
Additional Information:	© 2020 by the authors. Submitted for possible open access publication under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Uncontrolled Keywords:	Multi-nutrient; Pre-workout Supplement; Tensiomyography; Performance, Dietary Supplements
Subjects:	Q Science > QP Physiology R Medicine > RC Internal medicine > RC1200 Sports Medicine
Faculty / School / Research Centre / Research Group:	Faculty of Education, Health & Human Sciences Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development > Centre for Chronic Illness and Ageing Faculty of Education, Health & Human Sciences > School of Human Sciences (HUM)
Last Modified:	09 Oct 2021 04:45
URI:	http://gala.gre.ac.uk/id/eprint/30429

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