PMC3629861_01
Polymyography Of The Right Tibialis Anterior And Left Gastrocnemius Muscles.. Measurements during resting (A) and standing (B). Frequency analysis with fast Fourier transformation (C) during standing showed a peak frequency of 10.3 Hz.
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Polymyography with surface electrodes on the right tibialis anterior, left rectus femoris, and left gastrocnemius muscles, demonstrated a tremor of the legs in an upright position with a frequency of 10-11 Hz (Figure 1).