Fig. 3
From: Comparative analysis of electrical signals in facial expression muscles
Radar charts of the database grouped by: a standardized mean EMG features for M. Mentalis; b tasks for m. Mentalis; c standardized mean EMG features for M. Orbicularis Oris; d tasks for m. Orbicularis Oris; e standardized mean EMG features for M. Zygomaticus Major; f tasks for m. Zygomaticus Major