PDF] Validation of the Brzycki equation for the estimation of 1-RM
Por um escritor misterioso
Last updated 25 abril 2025
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://d3i71xaburhd42.cloudfront.net/aa5241b0774b818b4b8b4cac9061384b2e85abf1/2-Table1-1.png)
The results suggest that the Brzycki equation seems to be a fairly attractive alternative for the estimation of 1-RM values in the bench press from the performance of submaximal tests of 7-10-RM, in sedentary or moderately active male adults. The aim of the present study was to analyze the validation of the equation proposed by Brzycki for the prediction of a maximum repetition (1-RM) in the bench press. Fifty sedentary or moderately active male subjects (22.2 ± 3.5 years; 64.7 ± 8.6 kg), were initially submitted to six test sessions of 1-RM in the bench press, with 48 hours of interval between each session, in order to determine the maximum workload. A protocol of force resistance was then performed for the determination of 7-10-RM. The used criteria for the validation included: t-Student test for dependent samples, for comparison among the mean values obtained by the predictive equation and by the 1-RM test; Pearson correlation coefficient for analysis of the association degree among the measurements; standard error of estimate (SEE) for evaluation of the mean deviation degree of the individual data along the produced line; total error (TE) for the verification of the mean deviation of the individual values of the identity line; constant error (CE) for analysis of the difference among the mean values obtained in the 1-RM test and predicted by the proposed equation. None statistically significant difference was verified among the values produced by the 1-RM test and the Brzycki equation (P > 0.05). Both the SEE and the TE were relatively low (2.42 kg or 3.4% and 1.55 kg or 2.2%, respectively), as well as the CE found (0.22 kg or 0.3%). Moreover, the correlation coefficient value found was extremely high (r = 0.99; P < 0.05), thus showing a strong association between the values found by the 1-RM test and the Brzycki equation. Therefore, the equation analyzed by this study satisfied the validation criteria established by the literature. The results suggest that the Brzycki equation seems to be a fairly attractive alternative for the estimation of 1-RM values in the bench press from the performance of submaximal tests of 7-10-RM, in sedentary or moderately active male adults.
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://d3i71xaburhd42.cloudfront.net/aa5241b0774b818b4b8b4cac9061384b2e85abf1/2-Table1-1.png)
PDF] Validation of the Brzycki equation for the estimation of 1-RM in the bench press
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://cdnsciencepub.com/cms/10.1139/apnm-2018-0376/asset/images/large/apnm-2018-0376f1.jpeg)
Neither repetition duration nor number of muscle actions affect strength increases, body composition, muscle size, or fasted blood glucose in trained males and females
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://www.tandfonline.com/cms/asset/de372537-8089-49bd-a4cd-682a867c669a/tejs_a_2089915_f0003_ob.jpg)
Full article: Modelling the relationship between load and repetitions to failure in resistance training: A Bayesian analysis
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://d3i71xaburhd42.cloudfront.net/aa5241b0774b818b4b8b4cac9061384b2e85abf1/2-Figure1-1.png)
PDF] Validation of the Brzycki equation for the estimation of 1-RM in the bench press
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://d3i71xaburhd42.cloudfront.net/29f2475d426f2fbdf0494b640426e111f20a624d/5-Table6-1.png)
PDF] Validation of Submaximal Prediction Equations for the 1 Repetition Maximum Bench Press Test on a Group of Collegiate Football Players
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://www.researchgate.net/profile/Alfonso-Jimenez-4/publication/39437121/figure/fig1/AS:341199006257160@1458359590430/Figura-3-Dispersion-entre-1-RM-inicial-y-las-estimaciones-de-Mayhew-1992-y-Wathen_Q320.jpg)
PDF) Application of the 1RM estimation formulas from the RM in bench press in a group of physically active middle-aged women
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs40814-020-00639-5/MediaObjects/40814_2020_639_Fig1_HTML.png)
Efficacy of different load intensity and time-under-tension calf loading protocols for Achilles tendinopathy (the LOADIT trial): protocol for a randomised pilot study, Pilot and Feasibility Studies
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://miro.medium.com/v2/resize:fit:1400/1*384wG8xl8pAYF4W2yxC6WQ.jpeg)
RPE: FITSPO JARGON OR TRAINING EPIPHANY?, by Ben Scott STCfit, STCfit
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://i1.rgstatic.net/publication/235655992_Validation_of_the_Brzycki_equation_for_the_estimation_of_1-RM_in_the_bench_press/links/61153bb4169a1a0103f91fa4/largepreview.png)
PDF) Validation of the Brzycki equation for the estimation of 1-RM in the bench press
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