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THE RELATIONSHIP BETWEEN SELECTED STRENGTH AND POWER ASSESSMENTS TO PEAK AND AVERAGE VELOCITY OF THE DRIVE BLOCK IN OFFENSIVE LINE PLAY.
MedLine Citation:
PMID:  24910958     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Typical strength training for football includes the squat and power clean and routinely measured variables include 1-RM squat and 1-RM power clean along with the vertical jump for power. However, little research exists regarding the association between the strength exercises and velocity of an actual on-the field performance. The purpose of this study was to investigate the relationship of peak velocity (PV) and average velocity (AV) of the offensive line drive block to 1-RM squat, 1-RM power clean (PC), the vertical jump (VJ), body mass, and body composition. 1-RM assessments for the squat and PC were recorded along with VJ height, body mass and percent body fat. These data were correlated with PV and AV while performing the drive block. Peal velocity and AV were assessed using a Tendo Power and Speed Analyzer as the linemen fired, from a three-point stance, into a stationary blocking dummy. Pearson Product analysis yielded significant (P<0.05) correlations between PV and AV and the VJ, the squat, and the PC. A significant inverse association was found for both PV and AV and body fat. These data help to confirm that the typical exercises recommended for American football linemen is positively associated with both PV and AV needed for the drive block effectiveness. It is recommended that these exercises remain the focus of a weight room protocol and that ancillary exercises be built around these exercises. Additionally, efforts to reduce body fat are recommended.
Authors:
Bert H Jacobson; Eric Conchola; Doug B Smith; Kazuma Akehi; Rob Glass
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-6
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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