| Step test performance and risk of stress fractures among female army trainees. | |
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MedLine Citation:
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PMID: 22608380 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Stress fractures and other musculoskeletal injuries are major sources of morbidity among female military trainees. Several risk factors have been postulated, particularly pre-existing fitness, usually assessed with post-entry run time for ≥1.0 mile. PURPOSE: Physical fitness is not formally evaluated prior to Army entry. If a valid and simple test that identified women at increased risk of stress fracture were available and could be applied prior to entry, it would facilitate cost-benefit studies of deferral or interventions. These analyses were undertaken to determine if a 5-minute step test conducted before entry identified women at increased risk. METHODS: A prospective study was conducted of weight-qualified women entering the Army in 2005-2006, with analyses completed in 2011. At the pre-entry examination, information was collected on age, BMI, smoking, race, and activity level. Everyone took the step test. All outpatient medical encounters were captured, and stress fractures and other musculoskeletal injuries identified. Women with stress fractures and those with other musculoskeletal injuries were evaluated separately. RESULTS: 1568 women were included in the study; 109 developed stress fractures and 803 other musculoskeletal injury. Women who failed the step test had a 76% higher stress fracture incidence and a 35% higher incidence of other musculoskeletal injuries. There was effect modification between age and test failure for stress fracture. CONCLUSIONS: A step test that can be administered before military entry identifies women with increased incidence of stress fracture and other musculoskeletal injury. This test could be used pre-entry to defer or target high-risk recruits for tailored fitness training before or after military entrance. |
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Authors:
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David N Cowan; Sheryl A Bedno; Nadia Urban; Dara S Lee; David W Niebuhr |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of preventive medicine Volume: 42 ISSN: 1873-2607 ISO Abbreviation: Am J Prev Med Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-05-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8704773 Medline TA: Am J Prev Med Country: Netherlands |
Other Details:
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Languages: eng Pagination: 620-4 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 American Journal of Preventive Medicine. All rights reserved. |
Affiliation:
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Department of Epidemiology, Preventive Medicine Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland; Allied Technology Group, Rockville, Maryland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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