Contents
Anatomy pictures
Muscle attachment zones
Videos - treatment techniques
ANATOMY
Position
- Superficial
Origin
- Maxilla
- Cranial and lateral to incisive fossa of maxilla
Insertion
- Alar cartilage of the nose
- Aponeurosis shared by contralateral nasalis muscle
Main function
- Flares the nostrils
Nerve innervation
- Facial nerve / CN VII, buccal branches
Arterial supply
- Facial artery