| Elastic band prediction equations for combined free-weight and elastic band bench presses and squats. | |
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MedLine Citation:
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PMID: 19816220 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Elastic bands added to traditional free-weight techniques have become a part of suggested training routines in recent years. Because of the variable loading patterns of elastic bands (i.e., greater stretch produces greater resistance), it is necessary to quantify the exact loading patterns of bands to identify the volume and intensity of training. The purpose of this study was to determine the length vs. tension properties of multiple sizes of a set of commonly used elastic bands to quantify the resistance that would be applied to free-weight plus elastic bench presses (BP) and squats (SQ). Five elastic bands of varying thickness were affixed to an overhead support beam. Dumbbells of varying weights were progressively added to the free end while the linear deformation was recorded with each subsequent weight increment. The resistance was plotted as a factor of linear deformation, and best-fit nonlinear logarithmic regression equations were then matched to the data. For both the BP and SQ loading conditions and all band thicknesses tested, R values were greater than 0.9623. These data suggest that differences in load exist as a result of the thickness of the elastic band, attachment technique, and type of exercise being performed. Facilities should adopt their own form of loading quantification to match their unique set of circumstances when acquiring, researching, and implementing elastic band and free-weight exercises into the training programs. |
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Authors:
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Todd C Shoepe; David A Ramirez; Hawley C Almstedt |
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: 24 ISSN: 1533-4287 ISO Abbreviation: J Strength Cond Res Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2009-12-31 Completed Date: 2010-03-15 Revised Date: - |
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: 195-200 Citation Subset: IM |
Affiliation:
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Human Performance Laboratory, Department of Natural Science, Loyola Marymount University, Los Angeles, California, USA. tshoepe@lmu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Exercise
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physiology* Humans Resistance Training / instrumentation, methods* Tensile Strength |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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