EMG shows bursts of activity originating in the masseter muscle and spreading to the orbicularis oris and oculi muscles
emg shows bursts of activity originating in the masseter muscle and spreading to the orbicularis oris and oculi muscles
EMG shows bursts of activity originating in the masseter muscle and spreading to the orbicularis oris and oculi muscles
emg shows bursts of activity originating in the masseter muscle and spreading to the orbicularis oris and oculi muscles