| The psychological and physiological responses of sedentary individuals to prescribed and preferred intensity exercise. | |
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MedLine Citation:
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PMID: 16480554 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Affective valence responses to exercise may influence adherence. According to a newly proposed dual-mode model, affective responses have been proposed to vary depending on whether exercise is undertaken above or below the anaerobic threshold. With the model in mind, the study objectives were to explore the impact of an above-lactate, below-lactate, and self-selected exercise condition on acute affective responses in sedentary individuals. DESIGN: Using a repeated measures design, 12 volunteers participated in two prescribed intensity exercise conditions (above and below-lactate threshold) and one self-selected intensity exercise condition. The three conditions were randomized. METHOD: An incremental walking protocol was used to identify exercise intensities that would elicit above- and below-lactate threshold work rates for each participant. The exercise conditions were completed on different days and each lasted for 20 minutes. Physiological and affective responses were recorded pre-exercise, during exercise, and post-exercise. RESULTS: Affective responses were more negative in the above-lactate condition during exercise compared with the below-lactate and self-selected conditions. There were no differences between the conditions post-exercise. Participants exercised around the lactate threshold and at a significantly higher intensity in the self-selected compared with the below-lactate condition. Inter-individual variability in responses was greatest below the lactate threshold, with similar levels of variability in the self-selected and above-lactate conditions. CONCLUSIONS: Data are consistent with the proposals of the dual-mode model and support the use of self-selected intensity with sedentary individuals to promote positive affective responses. |
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Authors:
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Gaynor Parfitt; Elaine A Rose; William M Burgess |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British journal of health psychology Volume: 11 ISSN: 1359-107X ISO Abbreviation: Br J Health Psychol Publication Date: 2006 Feb |
Date Detail:
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Created Date: 2006-02-16 Completed Date: 2006-07-06 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9605409 Medline TA: Br J Health Psychol Country: England |
Other Details:
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Languages: eng Pagination: 39-53 Citation Subset: IM |
Affiliation:
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School of Sport and Health Science, St. Luk's Campus, University of Exeter, UK. c.g.parfitt@exeter.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Affect Exercise* Health Behavior* Heart Rate / physiology* Humans Lactic Acid / blood* Male Motor Activity* Physical Exertion / physiology* Questionnaires |
| Chemical | |
Reg. No./Substance:
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50-21-5/Lactic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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