Muscles of the Neck (Groups, Origin, Insertion, Function)
Content
0:00 Introduction
0:54 Division of Facial Muscles
1:32 Deep Muscles of the Neck
3:21 Lateral Muscles of the Neck
4:41 Suprahyoid Muscles
6:23 Infrahyoid Muscles
8:07 Craniothoracal
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Division of the Neck Muscles:
Deep muscles of the neck
Lateralmuscles of the neck
Suprahyoid Muscles
Infrahyoid Muscles
Craniothoracal Muscles
Deep muscles of the neck
Longus Capitis
musculus longus capitis
Origin: Transverse Processes of vertebra C3-C6 (proc. transversus vertebrae cervicalis III - VI )
Insertion: Basilar part of Occipital Bone
pars basilaris ossis occipitalis
Longus Colli
musculus longus colli
Superior Oblique Part
§ Origin: Transverse Processes of vertebra C3-C5
proc. transversus vertebrae cervicalis III - V
Insertion: Anterior Tubercle of Atlas C1
tuberculum anterius atlantis
Vertical Part
§ Origin: C5-T3 Body
§ Insertion: C2-C4 Body
Inferior Oblique Part
§ Origin: T1-T3 Body
§ Insertion: C5-C6 Transverse Process
Rectus Capitis Anterior
musculus rectus capitis anterior
Origin: Lateral mass of Atlas C1
massa lateralis atlantis
Insertion: Basilar part of Occipital Bone
pars basilaris ossis occipitalis
Rectus Capitis Lateralis
musculus rectus capitis lateralis
Origin: Transverse Process of Atlas C1
processus transversus atlantis
Insertion: Lateral Part of Occipital Bone
pars lateralis ossis occipitalis
Lateral muscles of the neck
Scalenus Anterior
musculus scalenus anterior
Origin: Transverse Process of C3-C6
Proc. transversus vertebrae cervicalis III - VI
Insertion: Scalenus Tubercle on 1st Rib
tuberculum m scaleni costa primae
Scalenus Medius
musculus scalenus medius
Origin: Transverse Process of C1/C2-C7
Proc. transversus vertebrae cervicalis I/II - VII
Insertion: Surface of 1st Rib (behind scalenus anterior)
facies superior costae prima
Scalenus Posterior
musculus scalenus posterior
Origin: Transverse Process of C5-C7
Proc. transversus vertebrae cervicalis V - VII
Insertion: Surface of 2st Rib
costae II
Suprahyoid Muscles
Digastricus
musculus digastricus
Posterior Belly
venter posterior
Origin: Mastoid Notch of Temporal Bone
incisura mastoidea
Insertion: Tendon that inserts at hyoid bone
Anterior Belly
venter anterior
Origin: Tendon that inserts at hyoid bone
Insertion: Digastric Fossa of Mandible
fossa digastrica
Stylohyoid
musculus stylohyoideus
Origin: Styloid Process of Temporal Bone
processus styloideus
Insertion: Hyoid bone
Mylohyoid
musculus mylohyoideus
Origin: Mylohyoid Line of Mandible
linea mylohyoidea
Insertion: Hyoid bone
os hyoideum
Geniohyoid
musculus geniohyoideus
Origin: Mental Spine of Mandible
spina mentalis
Insertion: Hyoid bone
Infrahyoid Muscles
Sternohyoid
musculus sternohyoideus
Origin: Sternum and Clavicle
Insertion: Hyoid bone
Sternothyroid
musculus sternohyoideus
Origin: Sternum and Clavicle
Insertion: Thyroid Cartilage
cartilage thyroidea
Thyrohyoid
musculus thyrohyoideus
Origin: Thyroid Cartilage
Insertion: Hyoid Bone
Omohyoid
musculus omohyoideus
Superior Belly
venter superior
Insertion: Hyoid Bone
Inferior Belly
venter inferior
Origin: Scapula
Craniothoracal Muscles
Sternocleidomastoid
musculus sternocleidomastoideus
Origin: Sternum + Clavicle
Insertion:
Mastoid Process + Superior Nuchal Line
Trapezius
musculus trapezius
Superior Part
Origin:
Superior Nuchal Line
External Occipital Protuberance
Nuchal Ligament
Insertion:
Acromial end of clavicle
Acromium of Scapula
Middle Part
Origin: Spinous Process of C7-T3/T4
Insertion: Spine and Acromium of Scapula
Inferior Part
Origin: Spinous Process of T4-T12
Insertion: Spine of Scapula
Platysma
Origin: Pectoral and Deltoid Fascia
Insertion: Base of Mandible, Lower Lip, skin around mouth