Short-Term Perceptually Regulated Interval-Walk Training in Hypoxia and Normoxia in Overweight-to-Obese Adults.

Journal article

Hobbins, L., Hunter, S., Gaoua, N. and Girard, O. (2021). Short-Term Perceptually Regulated Interval-Walk Training in Hypoxia and Normoxia in Overweight-to-Obese Adults. Journal of sports science & medicine. 20 (1), pp. 45-51. https://doi.org/10.52082/jssm.2021.45
AuthorsHobbins, L., Hunter, S., Gaoua, N. and Girard, O.
AbstractWe compared the effects of short-term, perceptually regulated training using interval-walking in hypoxia . normoxia on health outcomes in overweight-to-obese individuals. Sixteen adults (body mass index = 33 ± 3 kg·m ) completed eight interval-walk training sessions (15 × 2 min walking at a rating of perceived exertion of 14 on the 6-20 Borg scale; rest = 2 min) either in hypoxia (FiO = 13.0%) or normoxia during two weeks. Treadmill velocity did not differ between conditions or over time (p > 0.05). Heart rate was higher in hypoxia (+10 ± 3%; p = 0.04) during the first session and this was consistent within condition across the training sessions (p > 0.05). Similarly, arterial oxygen saturation was lower in hypoxia than normoxia (83 1% . 96 1%, p < 0.05), and did not vary over time (p > 0.05). After training, perceived mood state (+11.8 2.7%, p = 0.06) and exercise self-efficacy (+10.6 4.1%, p = 0.03) improved in both groups. Body mass (p = 0.55), systolic and diastolic blood pressure (p = 0.19 and 0.07, respectively) and distance covered during a 6-min walk test (p = 0.11) did not change from pre- to post-tests. Short term (2-week) perceptually regulated interval-walk training sessions with or without hypoxia had no effect on exercise-related sensations, health markers and functional performance. This mode and duration of hypoxic conditioning does not appear to modify the measured cardiometabolic risk factors or improve exercise tolerance in overweight-to-obese individuals. [Abstract copyright: © Journal of Sports Science and Medicine.]
KeywordsObesity; cardio-metabolic health; hypoxic conditioning; interval training; perceptually regulated exercise
Year2021
JournalJournal of sports science & medicine
Journal citation20 (1), pp. 45-51
PublisherUniversity of Uludag
ISSN1303-2968
Digital Object Identifier (DOI)https://doi.org/10.52082/jssm.2021.45
Publication dates
Online01 Mar 2021
Publication process dates
Deposited01 Dec 2020
Accepted23 Nov 2020
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