Medial Pterygoid
Medial Pterygoid
☆Pterygoideus Medialis
MusclePro
Anatomy
- Origin
Medial surface of lateral pterygoid plate of sphenoid bone, palatine bone, and tuberosity of maxilla
- Insertion
Medial surface of ramus and angle of mandible
- Nerve
Mandibular division of trigeminal nerve
- Actions
- Elevates mandible, assists in protruding mandible. It is very active in the chewing process: if it is unbalanced, it can alter the rhythm of all other chewing muscles.
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