MEDizzy
MEDizzy
Sadia
Sadia11 months ago
Zygomaticus Major

Zygomaticus Major

The main action of zygomaticus major is to pull the angle of the mouth superolaterally. In coordination with other buccolabial muscles, it facilitates speech and creates facial expressions. Along with risorius, zygomaticus major contributes to laughing, which is why they are deemed the “laughing muscles”.

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