AU2 muscle – frontalis, pars lateralis – FACS – Facial Action Coding System
Face the FACS
Facial Expressions in Art, Science, & Technology
Facial Expressions in Art, Science, & Technology
AU2 muscle – frontalis, pars lateralis – FACS – Facial Action Coding System
English 
Spanish (Spain) 
French 
Spanish (Venezuela) 
Spanish (Chile) 
Spanish (Guatemala) 
Portuguese 
Chinese (China) 
Chinese (Taiwan) 
Chinese (Hong Kong) 
Japanese 
Hindi 
Sindhi 
German (Switzerland) 
German 
Russian 
Polish 
Czech 
Vietnamese 
Italian 
Swedish 
Serbian