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© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

This pilot study aimed to compare the effects of eight weeks of concurrent resistance training (RT) and high-intensity interval training (HIIT) vs. RT alone on muscle performance, mass and quality in adults with type 2 diabetes (T2DM). Twelve T2DM adults were randomly allocated to the RT + HIIT (n = 5) or RT (n = 7) group. Before and after training, maximal oxygen uptake (VO2max), muscle strength and power were evaluated by calorimetry, dynamometry and one-repetition maximum (1RM) test. Quadriceps muscle volume was determined by MRI, and muscle quality was estimated. After RT, VO2max (+12%), knee muscle power (+20%), quadriceps muscle volume (+5.9%) and quality (leg extension, +65.4%; leg step-up, +223%) and 1RM at leg extension (+66.4%), leg step-up (+267%), lat pulldown (+60.9%) and chest press (+61.2%) significantly increased. The RT + HIIT group improved on VO2max (+27%), muscle volume (+6%), muscle power (+9%) and 1RM at lat pulldown (+47%). No other differences were detected. Among groups, changes in muscle quality at leg step-up and leg extension and VO2max were significantly different. The combination of RT and HIIT effectively improves muscle function and size and increases cardiorespiratory fitness in adults with T2DM. However, HIIT combined with RT may interfere with the development of muscle quality.

Details

Title
Muscular Adaptations to Concurrent Resistance Training and High-Intensity Interval Training in Adults with Type 2 Diabetes: A Pilot Study
Author
Orlando, Giorgio 1   VIAFID ORCID Logo  ; Pugh, Jamie 2 ; Faulkner, Steve 3   VIAFID ORCID Logo  ; Balducci, Stefano 4 ; Sacchetti, Massimo 5   VIAFID ORCID Logo  ; Pugliese, Giuseppe 6 ; Bazzucchi, Ilenia 5   VIAFID ORCID Logo  ; Haxhi, Jonida 6   VIAFID ORCID Logo  ; Martinez-Valdes, Eduardo 7 ; Falla, Deborah 7   VIAFID ORCID Logo  ; Manolopoulos, Konstantinos 8 ; Nimmo, Myra A 2 

 Research Centre for Musculoskeletal Science & Sports Medicine, Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M15GD, UK 
 College of Life and Environmental Sciences, University of Birmingham, Birmingham B152TT, UK; [email protected] (J.P.); [email protected] (M.A.N.); Centre for Sport and Exercise Medicine, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE113TU, UK; [email protected] 
 Centre for Sport and Exercise Medicine, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE113TU, UK; [email protected]; Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG14FQ, UK 
 Diabetes Unit, Department of Clinical and Molecular Medicine, “La Sapienza” University, Sant’ Andrea University Hospital, 00185 Rome, Italy; [email protected] (S.B.); [email protected] (G.P.); [email protected] (J.H.); Metabolic Fitness Association, 00015 Monterotondo, Italy 
 Department of Human Movement and Sport Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy; [email protected] (M.S.); [email protected] (I.B.) 
 Diabetes Unit, Department of Clinical and Molecular Medicine, “La Sapienza” University, Sant’ Andrea University Hospital, 00185 Rome, Italy; [email protected] (S.B.); [email protected] (G.P.); [email protected] (J.H.) 
 School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham B152TT, UK; [email protected] (E.M.-V.); [email protected] (D.F.) 
 Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham B152TT, UK; [email protected] 
First page
6746
Publication year
2023
Publication date
2023
Publisher
MDPI AG
ISSN
1661-7827
e-ISSN
1660-4601
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2869356770
Copyright
© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.