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Kate E. Sheppard and Gaynor Parfitt

This study examined the patterning of acute affective responses to prescribed and self-selected exercise intensities in a young adolescent population. Twenty-two young adolescents (13.3 ± .33 years) completed a maximal exercise test to identify ventilatory threshold (VT). Participants then completed two prescribed intensities (one set above and one below the VT) and a self-selected intensity. Pre-, during, and postexercise affective valence was measured. Results revealed that during exercise, affective valence assessed by the Feeling Scale (FS) remained positive in the self-selected and low-intensity conditions but declined in the high-intensity condition. Postexercise FS responses rebounded to preexercise levels, eradicating divergent trends that occurred during exercise.

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Elaine A. Rose and Gaynor Parfitt

Using a mixed-method approach, the aim of this study was to explore affective responses to exercise at intensities below-lactate threshold (LT), at-LT, and above-LT to test the proposals of the dual-mode model (Ekkekakis, 2003). These intensities were also contrasted with a self-selected intensity. Further, the factors that influenced the generation of those affective responses were explored. Nineteen women completed 20 min of treadmill exercise at each intensity. Affective valence and activation were measured, pre-, during and postexercise. Afterward, participants were asked why they had felt the way they had during each intensity. Results supported hypotheses showing affect to be least positive during the above-LT condition and most positive during the self-selected and below-LT conditions. Individual differences were greatest in the below-LT and at-LT conditions. Qualitative results showed that factors relating to perceptions of ability, interpretation of exercise intensity, exercise outcomes, focus of concentration, and perceptions of control influenced the affective response and contributed to the individual differences shown in the quantitative data.

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Kleverton Krinski, Daniel G. S. Machado, Luciana S. Lirani, Sergio G. DaSilva, Eduardo C. Costa, Sarah J. Hardcastle and Hassan M. Elsangedy

: 10.1007/s12160-015-9704-5 Rose , E.A. , & Parfitt , G. ( 2007 ). A quantitative analysis and qualitative explanation of the individual differences in affective responses to prescribed and self-selected exercise intensities . Journal of Sport & Exercise Psychology, 29 ( 3 ), 281 – 309

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Kate Stych and Gaynor Parfitt

Adolescence provides a significant opportunity to influence attitudes toward activity. It has been proposed that affective responses are the first link in the hypothesized exercise intensity-affect-adherence chain. The aim of this study was to explore young low-active adolescents’ affective responses to different exercise intensities using quantitative and qualitative methodologies. Participants completed 15 min of exercise at four exercise intensities: three set in relation to the participants’ ventilatory threshold (above, at, and below) and one self-selected. Affective valence was measured before, during, and after exercise, and participants were interviewed about their responses. Patterns in affective responses in quantitative data support tenets of the dual-mode theory. Qualitative data were presented as four narrative stories, and dominant themes associated with affective responses were identified. Consideration of individual preferences in the prescription of exercise, prescribing exercise set below the ventilatory threshold, or encouraging adolescents to self-select exercise intensity could positively influence adolescents’ exercise experiences.

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Leighton Jones, Jasmin C. Hutchinson and Elizabeth M. Mullin

that influences one’s ability to continue exercising at an imposed level of intensity beyond the point at which the activity becomes uncomfortable or unpleasant” ( Ekkekakis et al., 2013 , p. 354). Preference has been shown to be a relevant factor in self-selecting exercise intensity ( Smith, Eston

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Nicolas Aguilar-Farias, Wendy J. Brown, Tina L. Skinner and G.M.E.E. (Geeske) Peeters

.1111/j.1532-5415.2011.03655.x 22091979 10.1111/j.1532-5415.2011.03655.x 24. Withers RT , Brooks AG , Gunn SM , Plummer JL , Gore CJ , Cormack J . Self-selected exercise intensity during household/garden activities and walking in 55 to 65-year-old females . Eur J Appl Physiol . 2006

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Matthew R. Nagy, Molly P. O’Sullivan, Shannon S. Block, Trevor R. Tooley, Leah E. Robinson, Natalie Colabianchi and Rebecca E. Hasson

stress and well-being in an adolescent population . J Psychosom Res . 1992 ; 36 ( 1 ): 55 – 65 . PubMed doi:10.1016/0022-3999(92)90114-H 10.1016/0022-3999(92)90114-H 11. Sheppard KE , Parfitt G . Acute affective responses to prescribed and self-selected exercise intensities in young adolescent

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Matthew Zimmermann, Grant Landers, Karen Wallman and Georgina Kent

reserve, 32 or sparing of energy stores, 12 with ice ingestion, allowing for an increase in exercise intensity. Moreover, both thermal sensation 33 and aerobic efficiency 7 have previously been indicated as modulators of self-selected exercise intensity. Therefore, during post-CTT in the precooling

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Gorden Sudeck, Stephanie Jeckel and Tanja Schubert

them roam free? Physiological and psychological evidence for the potential of self-selected exercise intensity in public health . Sports Medicine, 39 , 857 – 888 . PubMed ID: 19757863 doi:10.2165/11315210-000000000-00000 10.2165/11315210-000000000-00000 Ekkekakis , P. , Lind , E. , & Vazou