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Using the load-velocity relationship for 1RM prediction

Jidovtseff, Boris1,2; Harris, Nigel K2; Crielaard, Jean-Michel1; Cronin, John B2

The Journal of Strength & Conditioning Research: January 2011 - Volume 25 - Issue 1 - p 267-270
doi: 10.1519/JSC.0b013e3181b62c5f
Research Note

Jidovtseff, B, Harris, NK, Crielaard, J-M, and Cronin, JB. Using the load-velocity relationship for 1RM prediction. J Strength Cond Res 25(1): 267-270, 2011-The purpose of this study was to investigate the ability of the load-velocity relationship to accurately predict a bench press 1 repetition maximum (1RM). Data from 3 different bench press studies (n = 112) that incorporated both 1RM assessment and submaximal load-velocity profiling were analyzed. Individual regression analysis was performed to determine the theoretical load at zero velocity (LD0). Data from each of the 3 studies were analyzed separately and also presented as overall group mean. Thereafter, correlation analysis provided quantification of the relationships between 1RM and LD0. Practically perfect correlations (r = ∼0.95) were observed in our samples, confirming the ability of the load-velocity profile to accurately predict bench press 1RM.

1University of Liege, Department of Sports Sciences, Service of Training and Assessment of Physical Fitness, Liege, Belgium; and 2Institute of Sport and Recreation Research New Zealand, Auckland University of Technology, Auckland, New Zealand

Address correspondence to Boris Jidovtseff,

© 2011 National Strength and Conditioning Association