Peak Rate of Force Development and Isometric Maximum Strength of Back Muscles Are Associated With Power Performance During Load-Lifting Tasks

American Journal of Men's Health
Erika ZemkováJuraj Pecho

Abstract

This study investigates the relationship between peak force and rate of force development (RFD) obtained from maximal voluntary isometric contraction (MVC) of the back muscles and the power produced during a loaded lifting task. A group of 27 resistance-trained and 41 recreationally physically active men performed a maximal isometric strength test of the back muscles and a deadlift to high pull while lifting progressively increasing weights. Peak RFD correlated significantly with the peak and mean power produced during a deadlift to high pull with lower weights (from 20 to 40 kg), with r values ranging from .941 to .673 and from .922 to .633. The r2 values ranged from .89 to .45 and from .85 to .40, explaining 89%-45% and 85%-40% of total variance. There were also significant relationships between MVC peak force and peak and mean values of power produced during a deadlift to high pull with weights ≥60 kg ( r in range from .764 to .888 and from .735 to .896). Based on r2, a moderate-to-high proportion of variance was explained (58%-79% and 54%-80%). These findings indicate that peak RFD obtained from MVC of the back muscles may be predictive of power performance during a lifting task at light loads. In addition to MVC peak force...Continue Reading

References

Jan 1, 1990·Journal of Biomechanics·O D SchippleinT P Andriacchi
Jan 1, 1985·Ergonomics·T P Leskinen
Aug 1, 1985·Medicine and Science in Sports and Exercise·S J Hall
Dec 1, 1993·Ergonomics·D ButlerT P Andriacchi
Nov 17, 2005·Journal of Strength and Conditioning Research·Courtney L JenningsMike I Lambert
Sep 1, 1991·Journal of Occupational Rehabilitation·J C RosecranceN S Golden
Jan 31, 2017·Journal of Strength and Conditioning Research·Jay R HydrenMarilyn A Sharp

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Citations

Jun 5, 2019·International Journal of Environmental Research and Public Health·Robin M OrrRobert Lockie
Oct 9, 2019·Journal of Sport Rehabilitation·Erika Zemková, Michal Jeleň
Aug 15, 2020·Frontiers in Physiology·Erika ZemkováLudmila Zapletalová
Jun 3, 2021·International Journal of Environmental Research and Public Health·Erika ZemkováLudmila Zapletalová

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