Masseter (Superficial)
- Origin: Zygomatic process-arch
- Insertion: Mandibular Angle-Ramus Temporalis Muscle
Masseter (Deep)
- Origin: Temporal Bone
- Insertion: Coronoid Process
Temporalis
- Origin: Parietal bone
- Insertion: Coronoid process and retromolar fossa
- Antagonist: Platysma
Superior Lateral Pterygoid
- Origin: Infratemporal surface of sphenoid bone
- Insertion: Anterior side of condyle
Inferior Lateral Pterygoid
- Origin: Lateral side of pterygoid plate
- Insertion: Pterygoid fossa on condyle
Medial Pterygoid
- Origin: Medial side of pterygoid plate
- Insertion: Internal angle of mandible