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Physical and Anthropometric Factors Influencing the Isometric Strength in Key Positions of the Conventional Deadlift in Powerlifters

The purpose of the study was to determine anthropometric characteristics that may affect deadlift performance. Fourteen powerlifters performed isometric pulls on a force plate at 3 key positions of the deadlift (at the floor, just above the patella, and 5-6 cm short of lockout) and the mid-thigh pull (MTP). RM ANOVA revealed that forces generated at each bar height differed significantly (F(3,39) = 51.058, p<0.05). Discriminant analysis was able to classify lifters into "stronger" and "weaker" groups with 100% accuracy using measured anthropometric dimensions. Stepwise discriminant analysis revealed that height to body mass ratio was important in differentiating performance in all positions but lockout. Segment and various measures of height were also important in discriminating performance in the knee, lockout, and MTP positions. Results of this analysis should provide some insight to the anthropometric dimensions that are related to success in various phases of the deadlift.

Identiferoai:union.ndltd.org:ETSU/oai:dc.etsu.edu:etd-2663
Date15 August 2012
CreatorsBeckham, George Kenneth
PublisherDigital Commons @ East Tennessee State University
Source SetsEast Tennessee State University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceElectronic Theses and Dissertations
RightsCopyright by the authors.

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