Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine ( 2019 ) 18 , 390 - 398

Research article
Effects of High-Intensity Interval and Moderate-Intensity Continuous Exercise on Physical Activity and Sedentary Behavior Levels in Inactive Obese Males: A Crossover Trial
Victor O. A. Santos1,2, Rodrigo A. V. Browne2,3, Daniel C. Souza1,2, Victor A. F. Matos1,2, Geovani A. D. Macêdo1,2, Luiz F. Farias-Junior2,3, José C. Farias-Júnior4, Eduardo C. Costa1,2,3, Ana P.T. Fayh1,5, 
Author Information
1 Graduate Program in Physical Education, Federal University of Rio Grande do Norte, Natal, RN, Brazil
2 Department of Physical Education, Federal University of Rio Grande do Norte, Natal, RN, Brazil
3 Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
4 Department of Physical Education, Federal University of Paraiba, João Pessoa, PB, Brazil
5 Department of Nutrition, Federal University of Rio Grande do Norte, Natal, RN, Brazil

Ana P.T. Fayh
✉ PhD Federal University of Rio Grande do Norte, Department of Nutrition, Campus University, BR 101, Lagoa Nova, ZIP Code 59078-970, Natal, RN, Brazil.
Email: apfayh@yahoo.com.br
Publish Date
Received: 13-02-2019
Accepted: 30-04-2019
Published (online): 01-08-2019
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ABSTRACT

A total of 17 participants (30.2 ± 4.8 years; 35.4 ± 4 kg/m2; 38.2 ± 3.6 % body fat) were enrolled in this randomized crossover trial to analyze the effects of a single session of high-intensity interval (HIIE) and moderate-intensity continuous exercise (MICE) on the physical activity and sedentary behavior levels in inactive obese males. The participants performed two exercise sessions and one control session (no exercise): i) low-volume HIIE (10 x 60 s at 90% of maximal aerobic velocity [MAV] interspaced by 60 s at 30% of MAV); ii) MICE (20 min at 70% of maximum heart rate); and iii) control (25 min in a seated position). After all sessions, the physical activity and sedentary behavior levels were monitored by accelerometer over seven consecutive days. No differences in the physical activity (activity counts, and time spent at light, moderate, and vigorous intensities) and sedentary behavior (time spent at sedentary behavior, breaks, and bouts) levels were found among the sessions (HIIE, MICE and control) (p > 0.05). In summary, a single session of HIIE and MICE does not change the physical activity and sedentary behavior levels in inactive obese males. Therefore, low-volume of both high- and moderate-intensity exercise should be considered for inactive obese males given that it does not reduce the physical activity level or increase the time spent at sedentary behavior.

Key words: Aerobic exercise, high-intensity interval training, sedentary lifestyle, obesity, accelerometer


           Key Points
  • Low-volume HIIE and MICE does not decrease the habitual physical activity level over one week in inactive obese males.
  • Low-volume HIIE and MICE does not increase the sedentary behavior level over one week in inactive obese males.
  • Low-volume of both high- and moderate-intensity exercise should be considered to improve health- and fitness-related outcomes in inactive obese males.
 
 
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