Head + Neck Muscles

What is the origin of the Masseter muscle

zygomatic arch

What is the insertion of the Masseter muscle

mandibular ramus

What is the action of the masseter muscle

Elevation and protraction of the mandible

What is the origin of the temporalis muscle

squamous portion of temporal bone

What is the insertion of the temporalis muscle

coronoid process of mandible

What is the action of the temporalis muscle

elevation of mandible

What is the origin of the frontalis muscle

aponeurosis

What is the insertion of the frontalis muscle

superficial fascia of skin and eyebrows

What is the action of the frontalis muscle

to raise eyebrows; wrinkle skin on forehead

What is the origin of the mylohyoid muscle

mylohyoid line of mandible

What is the insertion of the mylohyoid muscle

body of hyoid

What is the action of the mylohyoid muscle

elevates hyoid

What is the origin of the digastric muscle

digastric fossa of mandible

What is the insertion of the digrastic muscle

intermediate tendon (anchored to the hyoid bone)

What is the action of the digrastic muscle

depresses mandible and elevates hyoid

What is the origin of the stapedius muscle

pyramidal eminence of tympanic cavity

What is the insertion of the stapedius muscle

neck of stapes

What is the action of the stapedius muscle

increases distance between stapes and oval window

What is the origin of the platysma muscle

skin of neck

What is the insertion of the platysma muscle

skin of mandible

What is the action of the platysma muscle

tenses skin on neck

What is the origin of the stylohyoid muscle

styloid process of temporal bone

What is the insertion of the stylohyoid muscle

body of hyoid bone

What is the action of the stylohyoid muscle

elevates and retracts hyoid bone

What is the origin of the trapezius muscle

external occipital protuberance; spinous processes

What is the insertion of the trapezius muscle

acromion/spine of scapula; clavicle

What is the action of the trapezius muscle

to elevate and retract the pectoral girdle

What is the origin of the sternocleidomastoid muscle

manubrium of sternum; clavicle

What is the insertion of the sternocleidomastoid muscle

mastoid process of temporal bone

What is the action of the sternocleidomastoid muscle

neck flexion and rotation

What is the origin of the sternohyoid muscle

manubrium of sternum

What is the insertion of the sternohyoid muscle

body of hyoid

What is the action of the sternohyoid muscle

depresses hyoid (she is stern)

What is the origin of the orbicularis oculi muscle

ortibal crest of frontal bone and maxilla

What is the insertion of the orbicularis oculi muscle

palpebra (eyelids)

What is the action of the orbicularis oculi muscle

to close the eyes

What is the origin of the orbicularis oris muscle

medial aspects of maxilla and mandible

What is the insertion of the orbicularis oris muscle

skin of lips

What is the action of the orbicularis oris muscle

closes mouth and purses lips

What is the name of the masseter muscle in fish, reptiles, and amphibians

adductor mandibular

What is the name of the temporalis muscle in reptiles, amphibians, and fish

adductor mandibular

What is the name of the frontalis muscle in fish and amphibians?

What about in reptiles?

interhyoideus; omohyoieus

What is the name of the mylohyoid muscle in reptiles, amphibians, and fish

intermandibularis

What is the name of the digastric muscle in reptiles, amphibians, and fish

intermandibularis depressor

What is the name of the stapedius muscle in reptiles, amphibians, fish

mandibulae depresor

What is the name of the platysma muscle in reptiles, amphibians, fish

mandibulae depressor

What is the name of the stylohyoid muscle in reptiles, amphibians, and fish

Depressor mandibulae

What is the name of the trapezius muscle in reptiles? Amphibians? Fish?

Trapezius, protractor pectoralis, adductor pectoralis

What is the name of the sternocleidomastoid muscle in mammals? Reptiles? Amphibians? Fish?

Cats/dogs: cleidocephalicus

Equine: Brachiocephalicus

Reptile: sternocleidomastoid

Amphibian: protractor pectoralis

Fish: adductor pectoralis

What is the orbicularis oculi in reptile, amphibians, and fish

interhyoideous

What is the orbicularis oculi in reptiles? How about fish? Amphibians?

interhyoideus