| Learning Lumbar Spine Manipulation: The Effects of Frequency and Self-Control of Feedback. | |
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MedLine Citation:
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PMID: 22030595 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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STUDY DESIGN: Controlled laboratory study, longitudinal. OBJECTIVES: To investigate the effects of frequency and self-control of feedback on physiotherapy students learning lumbar spine mobilization. BACKGROUND: Posterior-to-anterior (PA) mobilization is included in most physiotherapy curricula. However, force application varies between therapists and the optimal feedback for learning is unknown. METHODS: Sixty-two physiotherapy students were randomized to three feedback groups; constant (100% of practice trials), intermittent (33%) and self-controlled (varied according to student choice) feedback. Students performed 12 practice trials of grade II PA mobilization to the third lumbar vertebra while receiving real-time feedback. The difference between students' force parameters (mean peak force [N], force amplitude [N], and oscillation frequency [Hz]) and those of a physiotherapist expert were compared between groups post-test and 5-7 day follow-up using ANCOVA. Students completed a survey regarding their perceptions of feedback. RESULTS: Students in the self-controlled group applied mean peak force (mean difference between student and expert 6.7 N, 95% CI 4.4 to 9.0) and force amplitude (6.3 N, 4.2 to 8.4) that more closely matched the expert's compared to those in the constant group (13.7, 8.7 to 18.6, P = .021; 13.1, 8.9 to 17.4, P = .028) at post-test, with similar results at follow-up for force amplitude only (self-controlled, 9.5, 5.8 to 18.1; constant, 21.0, 13.3 to 28.7, P = .018). There were no other significant differences. All students reported a better understanding of manual force application, but feedback preferences varied. CONCLUSION: Self-controlled feedback appears to be more beneficial than constant feedback for students learning to apply forces during lumbar mobilization. J Orthop Sports Phys Ther, Epub 25 October 2011. doi:10.2519/jospt.2012.3691. |
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Authors:
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Emma G Sheaves; Suzanne J Snodgrass; Darren A Rivett |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-25 |
Journal Detail:
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Title: The Journal of orthopaedic and sports physical therapy Volume: - ISSN: 1938-1344 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7908150 Medline TA: J Orthop Sports Phys Ther Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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