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The effect of PETTLEP imagery on strength performance

Wright, Caroline J. and Smith, Dave (2009) The effect of PETTLEP imagery on strength performance. International journal of sport and exercise psychology, 7 (1). pp. 18-31. ISSN 1612-197X

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Abstract

This study compared the effects of PETTLEP-based and more traditional imagery on muscle strength. PETTLEP (Holmes & Collins, 2001) is a set of guidelines for producing functionally equivalent imagery. Fifty participants were assigned to one of five groups: PETTLEP, “traditional” imagery, physical practice, PETTLEP/physical practice (combination), and control. Pre- and post-tests consisted of 1 R.M. tests on a bicep curl machine. PETTLEP participants imaged two sets of curls while sitting at the machine watching an internal perspective video. “Traditional” participants imaged while relaxing in a quiet room. Physical participants performed two sets of curls. Combination participants performed one set and imaged another. Interventions were completed twice per week for six weeks. PETTLEP, combination, and physical groups improved, whereas traditional and control groups did not. There were no differences between improvements shown by the PETTLEP and physical groups. These findings support the use of PETTLEP with strength tasks, especially when combined with physical practice.

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