Long-term effects in the EXERDIET-HTA study: Supervised exercise training vs. physical activity advice

Pablo, Corres, Sara, Maldonado-Martín, Aitor, MartinezAguirre-Betolaza, Ilargi, MartinezAguirre-Betolaza, MS, Ilargi Gorostegi-Anduaga, Iñaki, Arratibel-Imaz, Rodrigo, Aispuru and Simon M., Fryer (2019) Long-term effects in the EXERDIET-HTA study: Supervised exercise training vs. physical activity advice. Research Quarterly for Exercise and Sport. ISSN 0270-1367 (In Press)

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Abstract

Purpose: To determine whether improvements in cardiorespiratory fitness (CRF), blood pressure (BP) and body composition previously seen after a 16-week exercise intervention (POST) with hypocaloric diet, are maintained following six-months (6M) of unsupervised exercise time. Methods: Overweight/obese, physically inactive participants with primary hypertension (HTN) (n=190) were randomly assigned into an attention control group (physical activity recommendations) or one of three supervised exercise groups. After POST, all participants received diet and physical activity advice for the following 6M but no supervision. All anthropometric and physiological measurements were taken pre and post the 16-week supervised intervention period, as well as after 6M of no supervision. Results: After 6M: 1) body mass (BM) (=2.5%) and waist circumference (=1.8%) were higher (P<0.005) than POST, but lower (P<0.005) than pre-intervention (BM, =-5.1%; waist circumference, =-4.7%), with high-volume and high-intensity interval training group revealing a higher BM reduction (=-6.4kg) compared to control group (=-3.5kg); 2) BP variables were higher (P<0.001) compared to POST with no change from pre-intervention; and 3) CRF was higher compared to pre-intervention (=17.1%, P<0.001) but lower than POST (=-5.7%, P<0.001). Conclusions: When an overweight/obese population with HTN attains significant improvements in cardiometabolic health POST intervention with diet restriction, there is a significant reduction following 6M when exercise and diet supervision is removed, and only recommendations were applied. These results suggest the need for a regular, systematic and supervised diet and exercise programs to avoid subsequent declines in cardiometabolic health.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Obesity; 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 and Exercise > Applied Sport & Exercise Sciences
Research Priority Areas: Sport, Exercise, Health & Wellbeing
Depositing User: Marta Kemp
Date Deposited: 29 Oct 2019 10:58
Last Modified: 29 Oct 2019 11:00
URI: http://eprints.glos.ac.uk/id/eprint/7413

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