Objective. Was to verify the influence of vibration training on the electromyographic signal of the rectofemoral (RF) and tibialis anterior (TA) muscles in stroke patients. Method. This is clinical trial, with 43 hemiparetic stroke patients, who were randomized into two groups: control (CG, n=19) and intervention (IG, n=24). The instruments used for evaluation were the Mini Mental State Examination, the Fugl-Meyer Evaluation Scale, and surface electromyography (EMG) in maximum voluntary isometric contraction (MVIC) of the RF and TA muscles bilaterally and simultaneously. Whole-body vibration therapy (WBV) (tri-plane vibration platform, a frequency of 50 Hz and 2 mm of amplitude) was used for treatment. The application of the WBV was performed three times a week for 8 consecutive weeks. The statistical analysis used was the independent t test to compare the baseline characteristics of the CG and IG. The Shapiro–Wilk test was applied to verify the normality of the data and subsequently the Wilcoxon test to compare times and the Mann-Whitney test to compare groups. Results. The results show that EMG RMSn activity did not change intra-group nor inter-group. Conclusion. Vibration training did not influence the EMG signal of the RF and TA muscles in stroke patients.