title: Self-selected or imposed exercise? A different approach for affective comparisons.
abstract: The aim of this study was to compare the psychological and physiological responses of self-selected and imposed sessions of equivalent intensities and durations and allowing to participants a free control of pace during the self-selected session. Seventeen participants completed three sessions on a cycle ergometer. Participant's VO2Peak and lactate threshold were measured during an incremental exercise test. During the second and third sessions, participants could view a virtual cyclist on a monitor. During the self-selected session, participants were allowed free control of the intensity and duration. To ensure that the imposed session replicated the self-selected session in intensity, participants were instructed to follow an additional virtual cyclist, which was displayed on a monitor using the CompuTrainer 3D software. Power output and physiological and psychological variables were recorded during the sessions. A two-way ANOVA showed no effect of condition for power output (P = 0.940), heart rate (HR) (P = 0.965), VO2 (P = 0.898), blood lactate (P = 0.667), Feeling Scale (P = 0.877), Felt Arousal Scale (P = 0.924) and CR100 (P = 0.939). A paired t-test showed no significant difference in Physical Activity Enjoyment Scale scores between sessions (P = 0.054). In contrast to previous studies, the self-selected session did not provide better affective responses than the imposed session with same intensity and duration.
authors.affiliation: a Physical Education Department , President Antônio Carlos University , Barbacena , Brazil.
authors.forename: Bruno Ribeiro Ramalho
authors.initials: BR
authors.lastname: Oliveira
authors.forename: Andréa Camaz
authors.initials: AC
authors.lastname: Deslandes
authors.forename: Fábio Yuzo
authors.initials: FY
authors.lastname: Nakamura
authors.forename: Bruno Ferreira
authors.initials: BF
authors.lastname: Viana
authors.forename: Tony Meireles
authors.initials: TM
authors.lastname: Santos
mesh_terms: D000328:Adult; D000339:Affect / Q000502:physiology*; D002755:Choice Behavior / Q000502:physiology*; D015444:Exercise / Q000502:physiology / Q000523:psychology*; D005080:Exercise Test; D005260:Female; D006339:Heart Rate; D006801:Humans; D019344:Lactic Acid / Q000097:blood; D008297:Male; D010101:Oxygen Consumption; D055815:Young Adult
chemical_list: D019344:Lactic Acid
keywords: aerobic exercise; autonomy; circumplex; pleasure