Muscles of Head Flashcards
ORBICULARIS OCULI - ORBITAL PART (Origin)
Nasal part frontal bone and maxilla
Medial palpebral ligament
ORBICULARIS OCULI - ORBITAL PART (Insertion)
Uninterrupted ellipse around orbit
ORBICULARIS OCULI - ORBITAL PART (Action)
Forceful closure eyelid
ORBICULARIS OCULI - ORBITAL PART (Innervation)
Facial Nerve (CN VII)
ORBICULARIS OCULI - PALPEBRAL PART (Origin)
Medial palpebral ligament
ORBICULARIS OCULI - PALPEBRAL PART (Insertion)
Lateral palpebral raphe
ORBICULARIS OCULI - PALPEBRAL PART (Action)
Gentle closure eyelid
ORBICULARIS OCULI - PALPEBRAL PART
Facial Nerve (CN VII)
OCCIPITALFRONTALIS - FRONTAL BELLY (Origin)
Skin of eyebrows
OCCIPITOFRONTALIS - FRONTAL BELLY (Insertion)
Galeal (epicranial) aponeurosis
OCCIPITOFRONTALIS - FRONTAL BELLY (Action)
Wrinkles forehead
Raises eyebrows
OCCIPITOFRONTALIS - FRONTAL BELLY (Innervation)
Facial Nerve (CN VII)
OCCIPITOFRONTALIS - OCCIPITAL BELLY (Origin)
Lateral part Superior nuchal line
Mastoid process temporal bone
OCCIPITOFRONTALIS - OCCIPITAL BELLY (Insertion)
Galeal (epicranial) aponeurosis
OCCIPITOFRONTALIS - OCCIPITAL BELLY (Action)
Draws scalp Posteriorly
OCCIPITOFRONTALIS - OCCIPITAL BELLY (Innervation)
Facial Nerve (CN VII)
CORRUGATOR SUPERCILII (Origin)
Medial end supraorbital ridge
CORRUGATOR SUPERCILII (Insertion)
Skin medial half eyebrow
CORRUGATOR SUPERCILII (Action)
Draws eyebrows Medially and Inferiorly
CORRUGATOR SUPERCILII (Innervation)
Facial Nerve (CN VII)
PROCERUS (Origin)
Nasal bone upper part lateral nasal cartilage
PROCERUS (Insertion)
Skin between eyebrows
PROCERUS (Action)
Draws medial angle eyebrows Inferiorly
PROCERUS (Innervation)
Facial Nerve (CN VII)
ORBICULARIS ORIS (Origin)
Surrounding muscles, maxilla and mandible
ORBICULARIS ORIS (Insertion)
Forms ellipse around mouth
ORBICULARIS ORIS (Action)
Closes and Protrudes lips
ORBICULARIS ORIS (Innervation)
Facial Nerve (CN VII)
LEVATOR LABII SUPERIORIS ALAEQUE NASI (Origin)
Frontal process maxilla
LEVATOR LABII SUPERIORIS ALAEQUE NASI (Insertion)
Alar cartilage nose and upper lip
LEVATOR LABII SUPERIORIS ALAEQUE NASI (Action)
Raises upper lip
Opens upper lip
LEVATOR LABII SUPERIORIS ALAEQUE NASI (Innervation)
Fascial Nerve (CN VII)
ZYGOMATICUS MAJOR (Origin)
Lateral surface zygomatic bone (Posterior part)
ZYGOMATIC MAJOR (Insertion)
Skin corner mouth
ZYGOMATICUS MAJOR (Action)
Draws corner lips Upward and Laterally
ZYGOMATICUS MAJOR (Innervation)
Facial Nerve (CN VII)
ZYGOMATICUS MINOR (Origin)
Lateral surface Zygomatic bone (Anterior part)
ZYGOMATICUS MINOR (Insertion)
Upper lip, just medial to corner mouth
ZYGOMATICUS MINOR (Action)
Draws upper lip superiorly
ZYGOMATICUS MINOR (Innervation)
Facial Nerve (CN VII)
LEVATOR LABII SUPERIORIS (Origin)
Infraorbital margin maxilla
LEVATOR LABII SUPERIORIS (Insertion)
Skin superolateral 1/2 upper lip
LEVATOR LABII SUPERIORIS (Action)
Raises upper lip
LEVATOR LABII SUPERIORIS (Innervation)
Facial Nerve (CN VII)
LEVATOR ANGULI ORIS (Origin)
Maxilla, Inferior to infraorbital foramen
LEVATOR ANGULI ORIS (Insertion)
Skin corner mouth
LEVATOR ANGULI ORIS (Action)
Raises corner mouth
LEVATOR ANGULI ORIS (Innervation)
Facial Nerve (CN VII)
RISORIUS (Origin)
Fascia over Masseter muscle
RISORIUS (Insertion)
Skin corner mouth
RISORIUS (Action)
Retracts corner mouth
RISORIUS (Innervation)
Facial Nerve (CN VII)
DEPRESSOR ANGULI ORIS (Origin)
Mandible below Canine, Premolar and 1st Molar
DEPRESSOR ANGULI ORIS (Insertion)
Skin corner mouth
DEPRESSOR ANGULI ORIS (Action)
Draws corner mouth Inferiorly and Laterally
DEPRESSOR ANGULI ORIS (Innervation)
Facial Nerve (CN VII)
DEPRESSOR LABII INFERIORIS (Origin)
Anterior part oblique line mandible
DEPRESSOR LABll INFERIORIS (Insertion)
Midline lower lip
DEPRESSOR LABII INFERIORIS (Action)
Draws lower lip Inferiorly and Laterally
DEPRESSOR LABII INFERIORIS (Innervation)
Facial Nerve (CN VII)
MENTALIS (Origin)
Mandible, Inferior to incisors
MENTALIS (Insertion)
Skin chin
MENTALIS (Action)
Raises lower lip
Protrudes lower lip
MENTALIS (Innervation)
Facial Nerve (CN VII)
LEVATOR PALPEBRAE SUPERIORIS (Origin)
Posterior aspect roof of orbit
LEVATOR PALPEBRAE SUPERIORIS (Insertion)
Anterior aspect Superior Tarsus
LEVATOR PALPEBRAE SUPERIORIS (Action)
Raises eyelid
LEVATOR PALPEBRAE SUPERIORIS (Innervation)
Oculomotor Nerve (CN III)
BUCCINATOR (Origin)
Posterior parts maxilla and mandible
Pterygomandibular raphes
BUCCINATOR (Insertion)
Blends Orbicularis Oris and into lips
BUCCINATOR (Action)
Presses cheek against teeth
Compress distended cheeks
BUCCINATOR (Innervation)
Facial Nerve (CN VII)
MUSCLES Of MASTICATION
Temporalis Muscle
Medial Pterygoid Muscle
Lateral Pterygoid Muscle
Masseter Muscle
TEMPORALIS (Origin)
Temporal fossa
Temporal fascia
TEMPORALIS (Insertion)
Coronaid process Mandible
Anterior margin ramus mandible
TEMPORALIS (Action)
Elevation of mandible
Retraction of mandible
TEMPORALIS (Innervation)
Deep Temporal Nerve
~ Mandibular division Trigeminal Nerve (CN V3)
MEDIAL PTERYGOID (Origin)
Medial surface Lateral Pterygoid
Tuberosity maxilla and palatine bone
MEDIAL PTERYGOID (Insertion)
Medial surface mandible (near angle)
MEDIAL PTERYGOID (Action)
Elevation mandible
Side-to-Side movement mandible
MEDIAL PTERYGOID (Innervation)
Nerve to Medial Pterygoid
~ Mandibular division Trigeminal Nerve (CN V3)
LATERAL PTERYGOID (Origin)
Roof Infratemporal fossa
Medial aspect Medial Pterygoid
LATERAL PTERYGOID (Insertion)
Capsule Temporomandibular Joint
Pterygoid fossa neck mandible
LATERAL PTERYGOID (Action)
Protrusion mandible
Side-to-Side movement mandible
LATERAL PTERYGOID (Innervation)
Nerve to Lateral Pterygoid
- Mandibular division Trigeminal Nerve (CN V3)
MASSETER (Origin)
Zygomatic arch
Maxillary Process
MASSETER (Insertion)
Lateral surface ramus mandible
MASSETER (Action)
Elevation mandible
MASSETER (Innervation)
Masseteric Nerve
- Mandibular division Trigeminal Nerve (CN V3)