| Retention of Movement Pattern Changes After a Lower Extremity Injury Prevention Program Is Affected by Program Duration. | |
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MedLine Citation:
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PMID: 22064608 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Changes in movement patterns have been repeatedly observed immediately after completing a lower extremity injury prevention program. However, it is not known if movement pattern changes are maintained after discontinuing the training program. HYPOTHESIS: The ability to maintain movement pattern changes after training has ceased may be influenced by the program's duration. The authors hypothesized that among individuals who completed either a 3-month or 9-month training program and who demonstrated immediate movement pattern changes, only those who completed the 9-month training program would maintain movement pattern changes after a 3-month period of no longer performing the exercises. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: A total of 140 youth soccer athletes from 15 separate teams volunteered to participate. Athletes' movement patterns were assessed using the Landing Error Scoring System (LESS) at pretest, posttest, and 3 months after ceasing the program (retention test). Eighty-four of the original 140 participants demonstrated improvements in their LESS scores between pretest and posttest (change in LESS score >0) and were included in the final analyses for this study (n = 84; 20 boys and 64 girls; mean age, 14 ± 2 years; age range, 11-17 years). Teams performed 3-month (short-duration group) and 9-month (extended-duration group) injury prevention programs. The exercises performed were identical for both groups. Teams performed the programs as part of their normal warm-up routine. RESULTS: Although both groups improved their total LESS scores from pretest to posttest, only the extended-duration training group retained their improvements 3 months after ceasing the injury prevention program (F(2,137) = 3.38; P = .04). CONCLUSION: Results suggest that training duration may be an important factor to consider when designing injury prevention programs that facilitate long-term changes in movement control. |
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Authors:
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Darin A Padua; Lindsay J Distefano; Stephen W Marshall; Anthony I Beutler; Sarah J de la Motte; Michael J Distefano |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-7 |
Journal Detail:
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Title: The American journal of sports medicine Volume: - ISSN: 1552-3365 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-8 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7609541 Medline TA: Am J Sports Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Exercise and Sports Science, Sports Medicine Research Laboratory, University of North Carolina, Chapel Hill, North Carolina. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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