<qa>  What is the highest cortical representation area of first right dorsal interosseous7. rTMS: Initially, the higher cortical representation area hotspot of first right dorsal interosseous FDI muscle will be determined through a figure-eight coil connected to the magnetic stimulator Rapid2, Magstim, UK held manually and positioned over the scalp C3 - 1020 System at an angle of 45 degrees from the midline pointed to the target muscle FDI. Thereafter, RMT will be measure. rTMS protocols was based on previous studies. Low frequency protocol: 1 hertz Hz, 90 RMT, 1500 stimuli 1 train. High frequency protocol: 20 Hz, 90 RMT, 45 trains, 40 stimuli per train, inter interval of 28 seconds, 1800 stimuli. Sham rTMS will be performed with low frequency protocol using two coils. The first one - connected to the stimulator - will be positioned on a coil support close to the volunteer but not visible. Therefore, characteristic stimulation noises will be audible. The second - disconnected to the stimulator - will be placed over left primary motor area. After each rTMS session, presence of adverse effects will be computed. 