The effects of PETTLEP imagery and action observation on strength performance of a leg extension and flexion task

Q3 Health Professions Journal of Imagery Research in Sport and Physical Activity Pub Date : 2024-01-01 DOI:10.1515/jirspa-2023-0030

Christopher A. Aiken, Phillip G. Post, Cameron N. Munger, Jack Sampson, Sean M. Cochran, T. Zhuravleva

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Abstract

Research suggests that imagery can be enhanced by incorporating action observation into theoretically based imagery interventions. The purpose of the study was to investigate the effects of PETTLEP imagery intervention on strength performance. All individuals completed the Mental Imagery Questionnaire-III and were tested on peak force production with the quadriceps and hamstrings using the Biodex dynamometer. Participants were randomly placed into imagery with action observation (IAO), physical practice (PP), or control (CON) groups for a five-week intervention. Following post-testing, individuals completed the Intrinsic Motivation Inventory (IMI). Both PP and IAO significantly improved in isometric quadriceps peak force production when compared to CON (p<0.05). Additionally, PP significantly increased peak force production during isokinetic testing with the quadriceps (p<0.05). No significant changes were observed in the hamstrings (p>0.05). No group differences were found in IMI scores (p>0.05). The practical and theoretical implications for this research are discussed.

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PETTLEP 想象和动作观察对腿部伸屈任务中力量表现的影响

研究表明，在基于理论的意象干预中加入动作观察可以增强意象效果。本研究旨在调查 PETTLEP 意象干预对力量表现的影响。所有参与者都填写了心理意象问卷-III，并使用 Biodex 测力计测试了股四头肌和腿肌的峰值发力情况。参与者被随机分为动作观察想象组（IAO）、身体练习组（PP）或对照组（CON），进行为期五周的干预。测试后，受试者完成了内在动机量表（IMI）。与对照组相比，PP 组和 IAO 组在等长股四头肌峰值发力方面均有明显改善（P0.05）。在 IMI 分数上没有发现组间差异（P>0.05）。本文讨论了这项研究的实践和理论意义。

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来源期刊

Journal of Imagery Research in Sport and Physical Activity Health Professions-Physical Therapy, Sports Therapy and Rehabilitation

CiteScore

2.00

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0.00%

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期刊介绍： The Journal of Imagery Research in Sport and Physical Activity is the first peer-reviewed journal devoted to research on the role of imagery in sport, physical activity, exercise, and rehabilitation settings. Imagery, also referred to as cognitive enactment or visualization, is one of the most popular performance enhancement and rehabilitation techniques in sports and physical activity. Journal editors Craig Hall (University of Western Ontario) and Sandra Short (University of North Dakota) are recognized leaders in the field, and the journal’s editorial board represents leading institutions in the U.S., U.K., and Canada. The single destination for all imagery-related research in sports and in physical activity, the Journal of Imagery Research in Sport and Physical Activity is an indispensable tool for scholars and practitioners of imagery, sports science, kinesiology, physical education, and psychology Criteria for publication will include: - Outstanding quality; likely to be widely read and highly cited; - Relevance to the area; - Contribution to the advancement of imagery research; - Interest to specialists in the field and accessible to researchers with interests outside the immediate topic of the paper; - Readability and presentation.