PDF] Validation of the Brzycki equation for the estimation of 1-RM
Por um escritor misterioso
Last updated 07 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://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12891-023-06952-3/MediaObjects/12891_2023_6952_Fig2_HTML.png)
Effects of progressive intensity resistance training on the impact of fibromyalgia: protocol for a blinded randomized controlled trial, BMC Musculoskeletal Disorders
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://d3i71xaburhd42.cloudfront.net/29f2475d426f2fbdf0494b640426e111f20a624d/4-Table2-1.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://ars.els-cdn.com/content/image/1-s2.0-S0031938422000555-gr5.jpg)
Short-term supervised virtual training maintains intensity of effort and represents an efficacious alternative to traditional studio-based, supervised strength training - ScienceDirect
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://i1.rgstatic.net/publication/354274253_Validation_of_a_Smartwatch-Based_Workout_Analysis_Application_in_Exercise_Recognition_Repetition_Count_and_Prediction_of_1RM_in_the_Strength_Training-Specific_Setting/links/612f80eb38818c2eaf76e514/largepreview.png)
PDF) Validation of a Smartwatch-Based Workout Analysis Application in Exercise Recognition, Repetition Count and Prediction of 1RM in the Strength Training-Specific Setting
![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://d3i71xaburhd42.cloudfront.net/4a5d5904462c896d98604cfbc1c620437c7fe88f/25-Table2.1-1.png)
PDF] Development of prediction models to estimate 1-RM for upper and lower body exercises in non-resistance trained women
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://miro.medium.com/v2/resize:fit:1400/1*Ba86G8wMLKHgVwEbFDy_Ww.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://d3i71xaburhd42.cloudfront.net/aa5241b0774b818b4b8b4cac9061384b2e85abf1/2-Table2-1.png)
Table 2 from 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://www.frontiersin.org/files/Articles/565416/fpsyg-11-565416-HTML/image_m/fpsyg-11-565416-g003.jpg)
Frontiers “Just One More Rep!” – Ability to Predict Proximity to Task Failure in Resistance Trained Persons
![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
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://media.springernature.com/m685/springer-static/image/art%3A10.1007%2Fs40279-023-01854-9/MediaObjects/40279_2023_1854_Fig4_HTML.png)
The Predictive Validity of Individualised Load–Velocity Relationships for Predicting 1RM: A Systematic Review and Individual Participant Data Meta-analysis
![PDF] Validation of the Brzycki equation for the estimation of 1-RM](https://i1.rgstatic.net/publication/235655971_Validacao_da_equacao_de_Brzycki_para_a_estimativa_de_1-RM_no_exercicio_supino_em_banco_horizontal/links/0912f50a38921f3d86000000/largepreview.png)
PDF) Validação da equação de Brzycki para a estimativa de 1-RM no exercício supino em banco horizontal
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