SUPERIOR CONSTRICTOR

ORIGIN
Lower two thirds of medial pterygoid plate, pterygomandibular raphe and posterior end of mylohyoid line on mandible
INSERTION
Upper midline pharyngeal raphe and pharyngeal tubercle of clivus of occiput
ACTION
Aids swallowing
NERVE
Pharyngeal plexus (IX, X and sympathetic) via pharyngeal branch of X with its motor fibers from cranial accessory (XI)