A&P Practicumming 3 Flashcards
atlanto-occipital joint
Vertebral bone + occital condyles
Condyloid joint
Flexion
Temporomandibular joint
Mandible + temporal bone
Hinge Joint
Elevation
Occipitofrontalis, Frontal and Occipital Belly
Action of Frontal Belly: raises eyebrows
Action of occipital Belly: retracts scalp
Temporalis
Elevates mandible
Orbicularis Oculi
closes eye
Orbicularis oris
closes and purses lips
Platysma
depresses mandible and lower lip
Masseter
elevates mandible
Zygomaticus
elevates corner of mouth
Risorius
draws corner of mouth laterally
Buccinator
compresses cheek
Depressor labii inferiois
depresses lower lip
Depressor anguli oris
depresses corner of mouth
Digastric
elevates hyoid bone
Sternocleidomastoid
Rotates head