Accuracy of prediction equations for determining one repetition maximum bench press in women before and after resistance training

Journal of Strength and Conditioning Research
J L MayhewWolfgang Kemmler

Abstract

Repetitions to fatigue (RTF) using less than a 1 repetition maximum (1RM) load (RepWt) have been shown to be a good predictor of 1RM strength in men, but such information is scarce in women. The purpose of this study was to evaluate the accuracy of current prediction equations to estimate 1RM bench press performance and to determine whether resistance training changes the capability to predict 1RM from muscular endurance repetitions in young women. Members (n = 103) of a required wellness course were measured for 1RM bench press and RTF using randomly assigned percentages between 60% and 90% of the 1RM (RepWt) before and after 12 weeks of progressive resistance training. The %1RM used to perform RTF remained the same for each individual after training (75.6% +/- 10.3%) as before. One repetition maximum bench press increased significantly after training (28% +/- 21%). Although the change in the group average for RTF (0.6 +/- 6.1) was not significant, the correlation between pretraining and posttraining RTF was moderate (r = 0.66; p < 0.01), and individual differences in percentage change in RTF were substantial (27% +/- 99%). The percentage change in 1RM was not significantly related to initial 1RM (r = -0.05), but it was negati...Continue Reading

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Citations

Jan 12, 2012·Journal of Strength and Conditioning Research·William F Brechue, Jerry L Mayhew
Oct 27, 2011·Journal of Strength and Conditioning Research·John F CarusoRebekah D Riner
Apr 10, 2012·Journal of Science and Medicine in Sport·Mathias VoelzkeUrs Granacher
Jan 11, 2011·Journal of Science and Medicine in Sport·Dale I LovellGreg C Gass
Feb 25, 2015·Journal of Science and Medicine in Sport·Simon K HarriesRobin Callister
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Jun 29, 2012·Scandinavian Journal of Medicine & Science in Sports·J D LeCheminantL A Tucker
Sep 1, 2016·European Journal of Applied Physiology·Pietro PicernoMaria Francesca Piacentini
Jan 20, 2018·Journal of Strength and Conditioning Research·George K BeckhamSteven B Kim
Jul 21, 2017·Journal of Strength and Conditioning Research·Simon K HarriesRobin Callister
Apr 18, 2015·Journal of Strength and Conditioning Research·Bruno Bazuelo-RuizBelén Feriche
Sep 27, 2016·Journal of Strength and Conditioning Research·Harry G BanyardG Gregory Haff
Nov 7, 2019·The Journal of Sports Medicine and Physical Fitness·Ryan M MillerMichael G Bemben
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