ORCID Profile
0000-0002-0073-4923
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Publisher: Journal of Sports Science and Medicine
Date: 03-2021
Abstract: We compared the effects of short-term, perceptually regulated training using interval-walking in hypoxia vs. normoxia on health outcomes in overweight-to-obese in iduals. Sixteen adults (body mass index = 33 ± 3 kg·m-2) 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 (FiO2 = 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% vs. 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 in iduals.
Publisher: Elsevier BV
Date: 11-2020
Publisher: Elsevier BV
Date: 05-2021
Publisher: Informa UK Limited
Date: 04-2021
Publisher: Mary Ann Liebert Inc
Date: 09-2019
Publisher: Elsevier BV
Date: 10-2019
DOI: 10.1016/J.PHYSBEH.2019.112611
Abstract: We investigated whether perceptually-regulated high-intensity intervals in hypoxia are associated with slower running velocities versus normoxia, when physiological responses and exercise-related sensations remain the same. Nineteen trained runners (33.4 ± 9.1 years) completed a high-intensity interval running protocol (4 × 4-min intervals at a cl ed perceived rating exertion of 16 on the 6-20 Borg scale, 3-min passive recoveries) in either hypoxic (HYP FiO
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Liam Hobbins.