Muscle actions: head Flashcards
what movements does the temporomandibular joint produce?
depression
elevation
protrusion
retrusion
side to side
what muscles (3) produce temporomandibular joint depression?
lateral pterygoid
suprahyoid
infrahyoid
what muscles (3) produce temporomandibular joint elevation?
temporalis
masseter
medial pterygoid
what muscles (3) produce temporomandibular joint protrusion?
masseter
lateral and medial pterygoid
what muscles (3) produce temporomandibular joint retrusion?
temporalis
masseter
digastric
what muscles (4) produce temporomandibular joint side to side movement?
medial and lateral pterygoid
masseter
temporalis
what TMJ muscle actions is the lateral pterygoid muscle involved in
depression
protrusion
side to side movement
what TMJ muscle actions is the medial pterygoid muscle involved in
elevation
protrusion
side to side movement
what TMJ muscle actions is the masseter muscle involved in
elevation
protrusion
retrusion
side to side movement
what TMJ muscle actions is the temporalis muscle involved in
elevation
retrusion
side to side movement
what TMJ muscle actions is the suprahyoid muscle involved in
depression
what TMJ muscle actions is the infrahyoid involved in
depression
what TMJ muscle actions is the digrastric muscle involved in
retrusion
what muscle produces TMJ joint depression, protrusion and side to side movement
lateral pterygoid
what muscle produces TMJ joint elevation, protrusion and side to side movement
medial pterygoid
what muscle produces TMJ elevation, protrusion, retrusion, side to side movement
masseter
what muscle produces TMJ elevation, retrusion and side to side movement
temporalis
