Face and Neck Muscles

What is muscle 6?

Orbicularis occuli

What is the function of muscle 6?

Closing of eye

What is muscle 5?

Epicranius- frontal belly

What is the function of muscle 5?

Raises eyebrows

What is muscle 15?

Orbicularis oris

What is the function of muscle 15?

Closes lips

What is the muscle between the eye and mouth?

Levator labii superiorus

What is the function of the muscle between eye and mouth?

Opens lips

What is this muscle?

Zygomaticus minor

What is muscle 10?

Zygomaticus major

What is the function of this muscle?

Raises upper lip

What is the function of muscle 10?

Raises lateral corners of mouth upward (smiling muscle)

What is muscle 12?

Risitorus

What is the function of muscle 12?

Draws corners of lips laterally

What is muscle 76?

Depressor labii inferioris

What is the function of muscle 76?

Draws lips inferiorly

What is muscle 17?

Mentalis

What is the function of muscle 17?

Wrinkles chin

What is the muscle between the Zygomaticus major and risitorus?

Buccinator

What is the function of the muscle between the Zygomaticus major and minor

Holds food between teeth for chewing

What is this muscle?

Masseter

What is the function of this muscle?

Closes jaw

What is muscle 1?

Termporalis

What is the function of muscle 1?

Closes jaw

What is that big chunk of neck muscle?

Sternocleidomastoid

What is the function of the big chuck of neck muscle?

Flexion of neck forward, rotates head towards shoulders

What is the muscle just under bone 5?

Lateral pterygoid

What is the muscle just above muscle 21?

Medial Pterygoid

What is the function of the muscle just above muscle 21?

Grinding

What is the function of the muscle under bone 5?

Grinding

What are the muscles of the tongue?

Inner- genioglossus

Hypoglossus

Palatoglossus

Styloglossus

Pectoralis major and deltoid are antagonists

Teres minor and infraspinatus synergists lateral rotation of arm

Teres major and Teres minor & infraspinatus are antagonists

What is muscle on neck?

Sternocleidomastoid

What is muscle 24?

Posterior scalene

What is muscle 25?

Middle scalene

What is muscle 26?

Anterior scalene

What muscle is this?

Digastric

What muscle is this?

Stylohyoid

What muscle is this?

Digastric- posterior belly

Mylohyoid

Geniohyoid

What is muscle 29?

Sternothyroid

What is muscle above 29? Long horizontal looking one

Omohyoid

What muscle is superficial to 29?

Sternohyoid

What is the big muscle on the front of the shoulder?

Platysma

What is the origin of the epicranius frontal belly?

Epicranial aponeurosis

What is the insertion of the epicranius frontal belly?

Skin of eyebrows and root of nose

What is the origin of the epicranius occipital belly?

Occipital and temporal bones

What is the insertion of the epicranius occipital belly?

Epicranial aponeurosis

What is the origin of the orbicularis oculi?

Frontal and maxillary bones around orbit

What is the insertion of the orbicularis oculi?

Skin around eyelid

What is the origin of the zygomaticus major?

Zygomatic bone

What is the insertion of the zygomaticus major?

Skin and muscle at corner of mouth

What is the origin of the zygomaticus minor?

Zygomatic bone

What is the insertion of the zygomaticus minor?

Angle of the mouth

What is the origin of the risorius?

Fascia of masseter muscle

What is the insertion of the risorius?

Skin at angle of the mouth

What is the origin of the orbicularis oris?

Maxilla and mandible

What is the insertion of the orbicularis oris?

Lips

What is the origin of the levator labii superioris?

Zygomatic bone and infraorbital margin of maxilla

What is the insertion of the levator labii superioris?

Sin and muscle of upper lip and nostril border

What is the origin of the depressor labii inferioris?

Body of mandible

What is the insertion of the depressor labii inferioris?

Skin and muscle of lower lip

What is the origin of the levator Angli oris?

Maxilla below the infraorbital foramen

What is the insertion of the levator anguli oris?

Corner of mouth

What is the origin of the depressor anguli oris?

Anterolateral surface of mandibular body

What is the insertion of the depressor anguli oris?

Skin of angle of mouth

What is the origin of the mentalis?

Mandible

What is the insertion of the mentalis?

Skin of chin

What is the origin of the buccinator?

Maxilla and mandible

What is the insertion of the buccinator?

Orbicularis oris

What is the origin of the masseter?

Zygomatic arch and maxilla

What is the insertion of the masseter?

Angle and ramus of mandible

What is the origin of the temporalis?

Temporal fossa

What is the insertion of the temporalis?

Coronoid process of mandible

What is the origin of the medial pterygoid?

Sphenoid, palatine, and maxillary bones

What is the insertion of the medial pterygoid?

Medial surface of mandible near its angle

What is the origin of the lateral pterygoid?

Greater wing of sphenoid

What is the insertion of the lateral pterygoid?

Mandibular condyle

What are rectus muscles origin?

Sphenoid bone around optic canal and superioromedial area of superior orbital fissure

What are the insertions of the rectus muscles?

Superior/inferior/lateral/medial surface of sclera of eyeball

What is the origin of the inferior oblique muscle?

Maxilla

What is the insertion of the inferior oblique muscle?

Interior lateral surface of sclera

What is the insertion of the superior oblique muscle?

Superior lateral surface of sclera

What is the origin of the superior oblique muscle?

Sphenoid bone

What is the origin of platysma?

Fascia of chest and deltoid

What is the insertion of the platysma?

Lower margin of mandible

What is the function of the platysma?

Tenses skin of neck, depresses mandible, pulls lower lip down and back

What is the origin of the sternocleomastoid?

Manubrium of sternum, clavicle

What is the insertion of the sternocleomastoid?

Temporal and occipital bone

What are the origins of the scalenes?

Transverse processes of cervical vertebrae

What are the insertions of the scalenes?

Anterolaterally on ribs 1 and 2

What is the function of the sternocleomastoid?

Flexion of neck forward, rotate head towards shoulders

What is the function of the scalenes?

Flex and slightly rotate neck, elevates first 2 ribs, aids in inspiration

What is the origin of the digastric?

Lower margin of mandible and mastoid process

What is the insertion of the digastric?

Hyoid bone

What is the origin of the stylohyoid?

Styloid process of temporal bone

What is the insertion of the stylohyoid?

Hyoid bone

What is the origin of the mylohyoid?

Medial surface of mandible

What is the insertion of the mylohyoid?

Hyoid bone