Affective and metabolic responses to self-selected intensity cycle exercise in young men

Self-selected intensity exercise has resulted in greater affective responses (AR) compared to prescribed exercise of similar intensity and many individuals self-select intensity at a moderate level identified by metabolic analysis. As such, self-selected intensity may be an effective alternative for...

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Bibliographic Details
Published in:Physiology & behavior 2019-06, Vol.205, p.9-14
Main Authors: Haile, Luke, Goss, Fredric L., Andreacci, Joseph L., Nagle, Elizabeth F., Robertson, Robert J.
Format: Article
Language:English
Subjects:
Affect
Choice Behavior - physiology
Ergometry
Exercise - physiology
Exercise - psychology
Exercise Test
Feeling scale
Humans
Male
OMNI scale
Oxygen Consumption - physiology
Perceived exertion
Preferred intensity
Young Adult
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Summary:Self-selected intensity exercise has resulted in greater affective responses (AR) compared to prescribed exercise of similar intensity and many individuals self-select intensity at a moderate level identified by metabolic analysis. As such, self-selected intensity may be an effective alternative for exercise prescription designed to promote adherence and result in health and fitness benefits. Self-selected intensity has not been well described for many subject populations and exercise modes. Therefore, the purpose of this investigation was to measure affective and metabolic responses during self-selected intensity cycle exercise in college-aged men. Thirty-three men (22.4 ± 2.2 yr) performed a peak oxygen consumption test and a 20 min self-selected trial on a cycle ergometer on separate days. Oxygen consumption (VO2) was measured continuously throughout both exercise sessions. AR were measured using the Feeling Scale and ratings of perceived exertion (RPE) using the OMNI Scale every 5 min during the self-selected trial. χ2 analysis was used to determine if a significant proportion of subjects self-selected intensity above 50% VO2 reserve (VO2R), defined as a threshold for moderate-intensity exercise and potential cardiorespiratory fitness benefits by American College of Sports Medicine. Mean self-selected intensity was 57.6 ± 11.1%VO2peak and 89.3 ± 20.2% of ventilatory threshold. Twenty eight of 33 subjects self-selected intensity above 50% VO2R (p 50% VO2 reserve•Self-selected cycle exercise resulted in positive affective responses
ISSN:0031-9384
1873-507X
DOI:10.1016/j.physbeh.2019.02.012