| Development and reliability of two core stability field tests. | |
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MedLine Citation:
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PMID: 18550982 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Because of the recognized link between core stability and back and lower extremity injury in sport, additional field tests that assess the strength and power component of core stability are needed to identify athletes at risk of such injury. To that end, we developed and tested the reliability of the front and side abdominal power tests (FAPT and SAPT), which were adapted from plyometric medicine ball exercises. The FAPT and SAPT were performed by explosively contracting the core musculature using the arms as a lever to project a medicine ball. Twenty-four untrained young women (aged 20.9 +/- 1.1 year) completed three trials each of the FAPT and SAPT on separate nonconsecutive days. The average distance the medicine ball was projected on each day was recorded; power was inferred from this measure. There was an approximately 3% increase in the mean distance between the testing sessions for the FAPT and SAPT; this was not significant and indicates there was no learning effect in the measurement protocol. Heteroscedasticity was present in the SAPT data but not the FAPT data. For the FAPT, the intraclass correlation coefficient was 0.95, standard error of measurement was 24 cm, and random error using the limits of agreement method was 67.5 cm. For the SAPT, the intraclass correlation coefficient was 0.93, mean coefficient of variation was 9.8%, and the limits of agreement ratio was 36.8%. The FAPT and SAPT displayed excellent test-retest reliability, as well as acceptable measurement error. These findings suggest the FAPT and SAPT are reliable tests and may be used to assess the power component of core stability in young women. |
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Authors:
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Patrick M Cowley; Thomas C Swensen |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: 22 ISSN: 1533-4287 ISO Abbreviation: J Strength Cond Res Publication Date: 2008 Mar |
Date Detail:
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Created Date: 2008-06-13 Completed Date: 2008-09-04 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: United States |
Other Details:
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Languages: eng Pagination: 619-24 Citation Subset: IM |
Affiliation:
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Department of Exercise and Sport Sciences, Ithaca College, Ithaca, New York, USA. pmcowley@syr.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Abdominal Muscles
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physiology Adult Female Hip / physiology Humans Leg / physiology Muscle Contraction / physiology Pelvis / physiology Postural Balance / physiology* Reproducibility of Results Sports Medicine / instrumentation, methods* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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