Effects of different aerobic exercise programmes with nutritional intervention in sedentary adults with overweight/obesity and hypertension: EXERDIET-HTA study

Gorostegi-Anduaga, I. and Corres, P. and Martinezaguirre-Betolaza, A. and Pérez-Asenjo, J. and Aispuru, R. and Fryer, Simon M and Maldonado-Martin, Sara (2018) Effects of different aerobic exercise programmes with nutritional intervention in sedentary adults with overweight/obesity and hypertension: EXERDIET-HTA study. European Journal of Preventive Cardiology, 25 (4). pp. 343-353. ISSN 2047-4873

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Abstract

Background: Both exercise training and diet are recommended to prevent and control hypertension (HTN) and overweight/obesity. Purpose: To determine the effectiveness of different 16-week aerobic exercise programs with hypocaloric diet on blood pressure (BP), body composition, cardiorespiratory fitness (CRF) and pharmacological treatment. Methods: Overweight/obese, sedentary participants (n=175, 54.08.2 yrs) with HTN, were randomized into attention control group (AC, physical activity recommendations) or one of three supervised exercise groups [two days/week: high-volume with 45 min of moderate-intensity continuous training (HV-MICT), HV and high-intensity interval training, alternating high and moderate intensities (HV-HIIT), and low volume-HIIT (LVHIIT, 20 min)]. All variables were assessed pre and post intervention. All participants received the same hypocaloric diet. Results: Following the intervention, there was a significant reduction in BP and body mass in all groups with no between-group differences for BP. However, body mass was significantly less reduced in the AC group compared with all exercise groups (AC=-6.6%, HV-MICT=-8.3%, HV-HIIT=-9.7%, LV-HIIT=-6.9%). HIIT groups had significantly higher CRF than HV-MICT, but there were no significant between-HIIT differences (AC=16.4%, HV-MICT=23.6%, HV-HIIT=36.7%, LV-HIIT=30.5%). Medication was removed in 7.6% and reduced in 37.7% of the participants. Conclusions: The combination of hypocaloric diet with supervised aerobic exercise 2 days/week offers an optimal non-pharmacological tool in the management of BP, CRF and body composition in overweight/obese and sedentary individuals with HTN. HVHIIT seems to be better for reducing body mass compared to LV-HIIT. The exerciseinduced improvement in CRF is intensity dependent with LV-HIIT as a time-efficient method in this population.

Item Type: Article
Article Type: Article
Additional Information: Peer reviewed manuscript(Sage version 2 ) non-commercial use only.
Uncontrolled Keywords: Obesity; Hypertension; High-intensity interval training; Low-volume training; Blood pressure; Cardiorespiratory fitness; Body composition
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine > RA645.O23 Body mass. Adult obesity
R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Schools and Research Institutes > School of Sport & Exercise > Sport and Exercise
Research Priority Areas: Sport, Exercise, Health & Wellbeing
Depositing User: Susan Turner
Date Deposited: 08 Dec 2017 13:30
Last Modified: 20 Feb 2018 02:28
URI: http://eprints.glos.ac.uk/id/eprint/5200

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