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Acute and Chronic Effects of Low-Volume High-Intensity Interval Training Compared to Moderate-Intensity Continuous Training on Glycemic Control and Body Composition in Older Women with Type 2 Diabetes

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Faculty of Physical Activity Sciences, University of Sherbrooke, Sherbrooke, QC J1K 2R1, Canada
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Research Centre on Aging, CIUSSS de l’Estrie-CHUS, Sherbrooke, QC J1H 4C4, Canada
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Faculty of Medicine and Health Sciences, University of Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
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Research Centre of McGill University Health Centre (MUHC), Division of Geriatric Medicine of MUHC, Montréal, QC H4A 3J1, Canada
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Research Centre of the CHUS, Sherbrooke, QC J1H 5N4, Canada
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Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB T6G 2R3, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Bruno Guigas
Obesities 2021, 1(2), 72-87; https://doi.org/10.3390/Obesities1020007
Received: 21 May 2021 / Revised: 10 June 2021 / Accepted: 17 June 2021 / Published: 22 June 2021
(This article belongs to the Special Issue Novel Therapeutic Strategies for Obesity and Cardiometabolic Diseases)
Objective: To compare the acute and chronic effects of low-volume high-intensity interval training (HIIT) to moderate-intensity continuous training (MICT) on glycemic control, body composition and continuous glucose monitoring (CGM) in older women with type 2 diabetes (T2D). Methods: Thirty older women (68 ± 5 years) with T2D were randomized in two groups—HIIT (75 min/week) or MICT (150 min/week). Glucose homeostasis (A1c, glucose, insulin, HOMA-IR2) and body composition (iDXA) were measured before and after the 12-week exercise intervention. During the first and last week of training (24-h before and 48-h after exercise), the following CGM-derived data were measured: 24-h and peak glucose levels, glucose variability and time spent in hypoglycemia as well as severe and mild hyperglycemia. Results: While lean body mass increased (p = 0.035), total and trunk fat mass decreased (p ≤ 0.007), without any difference between groups (p ≥ 0.81). Fasting glucose levels (p = 0.001) and A1c (p = 0.014) significantly improved in MICT only, with a significant difference between groups for fasting glucose (p = 0.02). Neither HIIT nor MICT impacted CGM-derived data at week 1 (p ≥ 0.25). However, 24-h and peak glucose levels, as well as time spent in mild hyperglycemia, decreased in HIIT at week 12 (p ≤ 0.03). Conclusion: These results suggest that 12 weeks of low-volume HIIT is enough to provide similar benefit to MICT for body composition and improve the acute effect of exercise when measured with CGM. View Full-Text
Keywords: HIIT; MICT; exercise; physical activity; body composition; CGM; continuous glucose monitoring HIIT; MICT; exercise; physical activity; body composition; CGM; continuous glucose monitoring
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MDPI and ACS Style

Marcotte-Chénard, A.; Tremblay, D.; Mony, M.-M.; Boulay, P.; Brochu, M.; Morais, J.A.; Dionne, I.J.; Langlois, M.-F.; Mampuya, W.M.; Tessier, D.M.; Boulé, N.G.; Riesco, E. Acute and Chronic Effects of Low-Volume High-Intensity Interval Training Compared to Moderate-Intensity Continuous Training on Glycemic Control and Body Composition in Older Women with Type 2 Diabetes. Obesities 2021, 1, 72-87. https://doi.org/10.3390/Obesities1020007

AMA Style

Marcotte-Chénard A, Tremblay D, Mony M-M, Boulay P, Brochu M, Morais JA, Dionne IJ, Langlois M-F, Mampuya WM, Tessier DM, Boulé NG, Riesco E. Acute and Chronic Effects of Low-Volume High-Intensity Interval Training Compared to Moderate-Intensity Continuous Training on Glycemic Control and Body Composition in Older Women with Type 2 Diabetes. Obesities. 2021; 1(2):72-87. https://doi.org/10.3390/Obesities1020007

Chicago/Turabian Style

Marcotte-Chénard, Alexis, Dominic Tremblay, Marie-Michelle Mony, Pierre Boulay, Martin Brochu, José A. Morais, Isabelle J. Dionne, Marie-France Langlois, Warner M. Mampuya, Daniel M. Tessier, Normand G. Boulé, and Eléonor Riesco. 2021. "Acute and Chronic Effects of Low-Volume High-Intensity Interval Training Compared to Moderate-Intensity Continuous Training on Glycemic Control and Body Composition in Older Women with Type 2 Diabetes" Obesities 1, no. 2: 72-87. https://doi.org/10.3390/Obesities1020007

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