Content
Introduction 0:00
Division of Facial Muscles 0:48
Muscles of the Scalp: 1:32
Muscles around the Orbital Opening: 2:13
Muscles around the Oral Opening 4:41
Muscles of the Nasal Opening: 8:06
Muscles around the Ear Opening: 9:12


Channel membership:    / @taimtalksmed  
Follow my IG:   / taimtalksmed  
Donation link: https://www.buymeacoffee.com/taimtalk...


Division of Facial Muscles:
Division of Facial Muscles
Muscles of the Scalp
Muscles around the Eye Opening
Muscles around the Oral Opening
Muscles of the Nasal Opening
Muscles around the Ear Opening
All of them Insert at the skin
All are innervated by the facial nevre
All come from the 2nd Pharyngeal Arch during development


Muscles of the Scalp:
Occipitofrontal Muscle (Musculus Occipitofrontalis)
○ Occipital Belly (Venter Occipitalis)
§ Origin: Highest Nchal Line (Linea Nuchalis Superior)
§ Insertion: Epicranial Aponeurosis (Gales Aponeurosis)
○ Frontal Belly (Venter Frontalis)
§ Origin: Epicranial Aponeurosis (Galea Aponeurosis)
§ Insertion: Skin of Eyebrows

Muscles around the Eye Opening
Oribicularis Oculi
musculus orbicularis oculi
○ Orbital Part
§ Origin/Insertion:
Medial Palpebral Ligament
○ Palpebral Part
§ Origin: Medial Palpebral Ligament
§ Insertion: Lateral Palpebral Ligament
○ Lacrimal Part
§ Origin: Lacrimal Bone
§ Insertion: Lacrimal Sac
Procerus
musculus procerus
○ Origin: Bridge of nose
○ Insertion: Skin of forehead
Corrugator Supercilii
musculus corrugator supercilii
○ Origin: Glabella, Supraorbital margin
○ Insertion: Skin of Eyebrow

Muscles around the oral opening
Sides ‘’Smile’’
Zygogmaticus Major
musculus zygomaticus major
§ Origin: Zygomatic Bone
Zygogmaticus Minor
musculus zygomaticus minor
§ Origin: Zygomatic Bone
Risorius
musculus risorius
§ Origin: Masseteric Fascia
§ Insertion: Skin at the angle of the mouth
Angle of the mouth
Levator Anguli Oris
musculus levator anguli oris
§ Origin: Anterior Surface of Maxilla
§ Insertion: Skin at the angle of the mouth
Levator Labi Superioris
musculus levator labi superiores
§ Origin: Infraorbital Margin of the maxilla
§ Insertion: Skin of the upper Lip
Depresses the angle of the mouth
Depressor Anguli Oris
musculus depressor anguli oris
Depressor Labii Inferioris
Musculus depressor labii inferiores

Lateral wall of Oral Cavity ‘’Satisfaction’’
Buccinator Muscle
Musculus buccinator
§ Origin:
Alveolar Processes of Maxilla and Mandibula
Pterygomandibular Raphe
§ Insertion:
Skin at the angle of the mouth
Lips ‘’Kissing Muscle’’
Orbicularis Oris
Musculus orbicularis oris
§ Marginal Part
§ Labial Part
Chin ‘’Muscle of doubt’’
Mentalis
Musculus mentalis
§ Origin:
Alveolar Processes of Mandibula
§ Insertion:
Skin of the chin

Muscles of the Nasal Opening
Nasalis
Musculus nasalis
Transverse Part
§ Origin: Anterior Surface of Maxilla
§ Insertion: Dorsal cartilage of the nose
Alar Part
§ Origin: Anterior Surface of Maxilla
§ Insertion: Dorsal cartilage of the nose
Levator labii superioris alaque nasi
Musculus levator labii superioris alaque nasi
Origin: Frontal Process of Maxilla
Insertion:
Skin of the upper lip
Skin of the nasal wing

Muscles around the Ear Opening
Extrinsic muscles of the ear
Auricularis Anterior
Musculus auricularis anterior
Origin: Temporal Fascia
Insertion: Auricle
Auricularis Superior
Musculus auricularis superior
Origin: Epicranial Aponeurosis
Insertion: Auricle
Auricularis Posterior
Musculus auricularis posterior
Origin: Temporal Bone
Insertion: Auricle