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In order to examine whether environmental settings influence psychological and physiological responses of women with obesity during self-paced walking, 38 women performed two exercise sessions (treadmill and outdoors) for 30 min, where oxygen uptake, heart rate, ratings of perceived exertion, affect, attentional focus, enjoyment, and future intentions to walk were analyzed. Physiological responses were similar during both sessions. However, during outdoor exercise, participants displayed higher externally focused attention, positive affect, and lower ratings of perceived exertion, followed by greater enjoyment and future intention to participate in outdoor walking. The more externally focused attention predicted greater future intentions to participate in walking. Therefore, women with obesity self-selected an appropriate exercise intensity to improve fitness and health in both environmental settings. Also, self-paced outdoor walking presented improved psychological responses. Health care professionals should consider promoting outdoor forms of exercise to maximize psychological benefits and promote long-term adherence to a physically active lifestyle.
Kleverton Krinski and Luciana S. Lirani are with the Department of Physical Education, Federal University of Vale do São Francisco, Petrolina, Pernambuco, Brazil. Daniel G. S. Machado, Eduardo C. Costa, and Hassan M. Elsangedy are with the Department of Physical Education, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil. Daniel G. S. Machado is also a PhD student at the Center of Physical Education and Sport, Londrina State University, Londrina, Paraná, Brazil. Sergio G. DaSilva is with the Department of Physical Education, Federal University of Paraná, Curitiba, Paraná, Brazil. Sarah J. Hardcastle is with the Health Psychology and Behavioral Medicine Research Group, School of Psychology and Speech Pathology, Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia.