Muscles of the Neck (Groups, Origin, Insertion, Function)

Content
Introduction 0:00
Division of Facial Muscles 0:54
Deep Muscles of the Neck: 1:32
Lateral Muscles of the Neck 3:21
Suprahyoid Muscles 4:41
Infrahyoid Muscles 6:23
Craniothoracal: 8:07
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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

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[@redameghari4879]

You confused the insertion and the origin of the anterior belly of digastric muscle.